MEHDI AHMADI NAJAFABADI - Amirkabir University of Technology

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Amirkabir University of Technology

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MEHDI AHMADI NAJAFABADI

Professor
Department of Mechanical Engineering
Construction & Manufacturing

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Email:

ahmadin

aut.ac.ir

Phone:

64543431

h-index (Scopus):

38.00

Citations (Scopus):

3893

Supervised PhD Theses

Thesis title

Date

Numerical and Experimental Investigation of Failure Modes in a Composite Cylindrical Structure under Torsion Using the Acoustic Emission Method

MEHDI FARAJPOUR

2024 Jul

Identification of mechanical behavior of composite tubes under static axial compressive load using acoustic emission method

SAJAD ALIMIRZAEIFARADONBEH

2022 Oct

Online Monitoring of Delamination During Drilling of Laminated Composites Using Acoustic Emission

MEHRDAD NAZMDAR

2022 Oct

Supervised MSc Theses

Thesis title

Date

Determining the amount of damage caused by the impact on the glass/epoxy composite plate using ultrasonic c-scan image

HAMID KACHOYAN

2024 Oct

Detection of surface discontinuties aluminum sheets by conical wedge using rayleigh wave

ALI ATAEE

2024 Oct

Experimental study and finite element simulation to determine the flexural fatigue properties of welded joints by acoustic emission

YASHAR BEIK ZADEH

2024 Sep

Analysis of the dependence of the crack propagation mechanism in the delamination of fiber reinforced compositeto the bending fatigue loading

NAHAL BARZEGAR BAGHERI

2024 Sep

Numerical & experimental investigation of the effect of tension on composite pipes produced by filament winding method & investigation of the failure mechanism of the filament wound under quasi-static lateral loading

ALIREZA FADAEI

2024 Jul

FEM Simulation of welded st37 to st52 for calculation of residual stress and validation with ultrasonic method

MAHDI MIRSAFARI

2024 Feb

Residual Stress Measurement in Dissimilar Weld Joint of Two Carbon Steel Plates With Different Carbon Contents

AMIRHOSSEIN RASFIJANI

2023 Jul

the use of acoustic emission for investigation of bending fatigue behavior of fixed_end Aluminum specimen under bending cyclic loading

ALI BASTANI LAY

2023 May

Analysis of failure mechanism of the filament wound composite tubes under lateral quasi-static loading

PARSA GHAHREMANI

2023 Jan

Investigating the Fatigue Strength of Glass / Epoxy Repaired by Resin Injection Using Ultrasonic

FARAZ HADDAD

2022 Mar

Study of restoration of fatigue strength of delaminated glass/epoxy composite after being repaired by using acoustic emission technique

AMIRMAHDI MOHAMMAD HOSSEINI

2022 Mar

Investigation and Analysis of Damage for Filament Wound Composite Tubes by Continuous Damage Models and Acoustic Emission under Lateral Loading

AMIR BANI MOHAMMAD ALI

2022 Feb

Experimental investigation of delamination in drilled glass/epoxy composites under mixed tensile and bending cyclic loading using acoustic emission method

AMIRHUSSAIN BAIGI

2021 Sep

Investigation of specific energy absorption by thin-walled aluminum and glass fiber/epoxy reinforced aluminum tubes under quasi static lateral compression

EHSAN MIRZAEI

2021 Sep

The study of buckling of laminated composites repaired by resin injection using acoustic emission

ATABAK POURDADASH FARDNAM

2021 Aug

Design optimization of dental implants base

RAMIN NIKNAFS

2020 Sep

Experimental study and Finite element simulation of energy absorption and failure modes of CFRP filament wound tube and its Acoustic Emission Inspection

ZAHRA NOZARIJOUYBARI

2019 Dec

Numerical And Experimental Study For Geometrical Effect Of Fiber Glass Structure In Composite Tubes Under The Axial Quasi Static Loading

ARASH KHODAEI

2019 Nov

Ultrasonic hoop stress calculation in autoferttaged AL 1050 pipe

HAMED SAFI KHANLU

2019 Sep

analyzing mechanical properties in reinforced composites by electrospun nanofibers

MOHAMMAD EHSANDOOST

2019 Jul

The Effect of Higher-order Elastic Coefficients of Elasticity of Metal under Tensile load on the Acoustoelastic Constant

NAZANIN MORAKABI ESFAHANI

2018 Oct

Prediction of residual strength of composite laminates by means of acoustic emission technique

MAHDI HABIBI

2018 Feb

Application of Critically Refracted longitudinal Waves for Residual Stress Measurement in the autofretted tubes

MEHDI ISKANDARI

2018 Feb

Application of ultrasonice Waves for the Measurement of Residual Stress and bending of polyethylene pipes

KHASHAYAR KHOSRAVIAN

2018 Feb

Polymer Composite Samples Health Monitoring using Lamb Wave Method under Delamination

HAMIDREZA BADAKHSHIAN

2017 Oct

The effect of Nylon6,6 nanofibers on delamination of glass/epoxy composite using Acoustic Emission

ALI GHOLIZADEH

2017 Sep

: Numerical and experimental investigation of failure in drilled glass/epoxy composites under bending cyclic loading using acoustic emission method

NAEIM AKBARI SHAHKHOSRAVI

2017 Jul

Investigation of the parameters affecting of wave propagation in glass/epoxy composite

MOSTAFA SHIRDEL

2017 Jul

Investigation of fatigue failure mechanisms of a notched aluminum plate repaired with a composite patch using acoustic emission method

ABDOLLAH MALEKI

2017 Feb

Investigation of induced damages inbuckling of laminate composites using acoustic emission

ANVAR SOUKHANI DARISOFLA

2017 Feb

Ultrasonic residual stress measurement in upset weld

ALI REZA FARAJI ALAMOOTI

2016 Oct

Ultrasonic NDT data reconstruction, visualization and analysis in autoCAD2000

SEYED ALI HOSSEINI KAZEROONI

2016 Feb

Study on residual stresses in welding by LTT fillers

KAVEH AZIZPOUR & IRAJ SATTARI FAR

2015 Oct

Separation of Impact Damage Mechanisms on Laminar Composite Using Acoustic Emission Method

SEYED ALI MAHDIAN AHI

2015 Oct

Determination of Acoustoelastic Coefficients in Welding Metal and HAZ in Austenitic Stainless Steel Welding

IMAN RAHIMI

2015 Oct

Investigation of failure mechanisms of a notched aluminum plate repaired with a composite patch using acoustic emission method

MIR MOHAMMAD MOUSAVI NASAB

2015 Sep

Identification damage mechanism in composite using acoustic emission and finite element methods

REZA MOHAMMADI

2015 Sep

Measurement of Welding Residual Stress of Austenitic Stainless Steel By Using LCR Ultrasonic Waves by Eliminating Approximation of Accoustoelastic

SHAYAN NEJADSHAMSI

2015 Sep

Theoretical study for detection of inter laminar defects of fiber-reinforced polymer composites by three-point bending using acoustic emission method

BORHAN SADEGHI

2014 Oct

Investigation of delamination in FMLs and verification by Acoustic Emission method

JABER ESMAEELI KARATI

2014 Oct

Simulation of longitudinal residual stress in welded austenitic stainless steel plates and evaluation with x-ray diffraction and ultrasonic meth

MOHAMMAD EFTEKHARY

2014 Oct

Investigation delamination in FRP composites under cyclic loading by acoustic emissin

MILAD SAEEDIFAR

2014 Sep

Evaluation of Welding residual stress in austenite stainless steel using Lcr ultrasonic waves

2014 Jan

Monitoring of Damage Mechanisms in Mixed Mode I/II Loading on Glass/Epoxy Composites by Acoustic Emission Method

HAMIDREZA FAZAELI

2014 Jan

Residual stress evaluation by finite element and ultrasonic method in a butt weld joint

SEYEDALI SADEGHI

2013 Oct

Monitoring of damage mechanism in mode-II loading for a glass/polyester composite using acoustic emission

PARINAZ BELALPOUR DASTJERDI

2013 Oct

Discrimination of Acoustic Emission Signals during Drilling Process and Semi-Static Loading (punching)

NAVID ZARIF KARIMI

2013 Oct

FEM and AE fracture analysis of glass/epoxy composite laminate under bending load

2013 Feb

stress evaluation within different depth ranges of a stainless steel plate by LCR wave

OMID AFZALI NANIZ

2012 Oct

Development of application of ultrasonic method for measurement of residual stresses in butt weld joint

2012 Oct

Theoretical and Experimental Damage Investigation of Composite Laminate under Three Point Bending using Acoustic Emission

2012 Oct

Final Element Analysis and Measurement of Residual Stress by Ultrasonic Method in Heat Affected Zone of a Wellded Connectin

2012 Sep

The effect of welding sequences on welding distortion in an aluminium pressure vessel

& IRAJ SATTARI FAR

2011 Oct

Diagnosis of fluids velocity coefficient in leakage using acoustic emission

2011 Oct

Identification of damage modes in composite materials by analyzing acoustic emission signals

2011 Sep

Monitoring of delamination in composite materials during drilling using acoustic emission

2011 Sep

The study of Temper bead welding technique on the mechanical properties of welds

2011 Sep

Study of the effect of residual stress in metals on the propagation rate of elastic waves

MOHAMMAD TAVOSIAN

2011 Jan

Studying leak in valves of Internal Combustion Engine Using Acoustic Emission

SADEGH HOSSEINI

2010 Sep

measurement of stress in metals using ultrasonic waves

2010 Sep

monitoring crack growth by the acoustic emission technique

HADI MOHAMMADYARI

2010 Jul

Monitoring delamination mode I in composite by the acoustic emission technique

ALIREZA SOURI

2010 Jul

Experimental study of delamination in glass/epoxy and glass/polyester laminated composites and sandwich composites by acoustic emission technique

MILAD HAJIKHANI

2010 Jun

fracture toughness evalution by the acoustic emission technique

JAVAD TEYMURI SHANDI

2010 Jan

Experimental study of onset of plastic deformation in steel by using acoustic emission technique

MEYSAM AKBARI

2009 Jan

RECONSTRUCTION OF ACOUSTIC EMISSION WAVES CAUSED BY LEAKAGE

AMIR AHMADI

2008 Sep

MEASUREMENT OF RELEASED ENERGY IN CRACK GROWTH BY THE ACOUSTIC EMISSION

SAEED HAJI GHASEMI

2008 May

IDENTIFICATION OF MECHANISM OF AE GENERATION IN FRICTION PROCESSES

SAJAD MOSTAFAVI

2008 Mar

STUDY OF STRESS CORROSION WITH ACOUSTIC EMISSION

HOSSEIN HEIDARI KALHROODI

2007 Sep

PROCESSING OF A SIGNALS OBTAINED FROM AE EXPEERIMENT ON A COMPOSITE PLATE USING WAVELET METHOD

VAHID ANSARI

2007 Mar

ULTRASONIC STRESS MEASUREMENT

SIAMAK AKHSHIK

2007 Feb

STUDY OF ACOUSTIC EMISSION WAVE PROPAGATION IN PLATES

SEYED MOHAMMADNASER SABER

2006 Nov

EXPERIMENTAL STUDY OF STRESS MEASUREMENT IN BOLTS WITH ULTRASONIC WAVES

SEYED MOHAMAD ATIFEH

2006 Nov

EXPERIMENTAL STUDY OF DRILLING REINFORCED PLASTICS AND INVESTIGATION OF DAMAGE ZONE BY NDT METHODS

PEYMAN MORADI & MOHAMMAD REZA RAZFAR

2006 May

Using acoustic emission to determine crack initiation and evaluation of residual stress in butt-weld joints

PARSIA BOUZARI

2025 Sep

Measurement of third-order elastic constants by ultrasonic propagation

MOHAMMADJAVAD MAGHSOUDI

2025 Oct

Books

Title

Author(s)

Publisher country

publication date

version

Dynamic Deformation, Damage and Fracture in Composite Materials and Structures (Chapter Six)

Giangiacomo Minak ، FOTOUHI MOHAMAD ، AHMADI NAJAFABADI MEHDI

condition Monitoring

AHMADI NAJAFABADI MEHDI

Iran

Using Acoustic Emission to Evaluate Fracture Toughness Energy Release Rate (GI) at Mode I Delamination of Composite Materials

Amir Refahi Oskouei ، Andrea Zucchelli ، AHMADI NAJAFABADI MEHDI ، Giangiacomo Minak

Journal Papers

SAFIKHANLU HAMED ، AHMADI NAJAFABADI MEHDI ، ADIBI HAMED, "Mechanical and acoustic emission assessment of drilled GFRP composites under combined static loading", Engineering Failure Analysis, 2026 May vol. 195, no. 110995, pp.1-27, 2026.

NAJAFI SARKHUNI MAHDI ، AHMADI NAJAFABADI MEHDI, "Effects of welding parameters on residual stress and distortion in high strength low alloy steel cladded with Monel 190", Materials Today Communications, 2026 Apr vol. 52, no. 114938, pp.1-21, 2026.

RASFIJANI AMIRHOSSEIN ، FADAEI ALIREZA ، MAGHSOUDI MOHAMMADJAVAD ، AHMADI NAJAFABADI MEHDI, "Numerical and experimental analysis of welding parameters on residual stress in stainless steel 304L using ultrasonic methods", International Journal of Pressure Vessels and Piping, 2025 Oct vol. 219, no. 0, pp.1-15, 2025.

FARAJPOUR MEHDI ، AHMADI NAJAFABADI MEHDI, "In-plane shear damages consideration of hoop wound composite cylinders using acoustic emission method", Journal of Composite Materials, 2024 Jan vol. 58, no. 7, pp.851-866, 2024.

JAVDANI AKBAR ، AHMADI NAJAFABADI MEHDI, "Achieving Homogeneous Distribution and Dispersion of Al2O3np Nanoparticles within 316L Matrix for Production of Metal Matrix Nanocomposites via Blended Powder Semisolid Forming", ..Arabian Journal For Science and Engineering, 2023 Dec vol. 0, no. 0, pp.1-17, 2023.

AHMADI NAJAFABADI MEHDI ، JAVDANI AKBAR, "Experimental Optimization of Blended Powder Semisolid Forming Parameters for Production of 316L Stainless Steel Nanocomposites Reinforced with Al2O3np", Jom, 2023 Nov vol. 76, no. 3, pp.1245-1261, 2023.

SALEHI AMIR MOHAMMAD ، SAFIKHANLU HAMED ، AHMADI NAJAFABADI MEHDI, "Ultrasonic and FEM residual stress measurement in dissimilar St37-St52 welding", Proceedings of The Institution of Mechanical Engineers Part C-Journal of Mechanical Engineering Science, 2023 Sep vol. 237, no. 19, pp.4467-4479, 2023.

GHAHREMANI PARSA ، AHMADI NAJAFABADI MEHDI ، ALIMIRZAEIFARADONBEH SAJAD ، Mohammad Fotouhi, "Acoustic Emission-Based Analysis of Damage Mechanisms in Filament Wound Fiber Reinforced Composite Tubes", Sensors, 2023 Aug vol. 23, no. 6994, pp.1-24, 2023.

FARAJPOUR MEHDI ، AHMADI NAJAFABADI MEHDI, "Investigation of crack propagation in filament wound composite samples of Mode-I by using acoustic emission technique", Journal of Composite Materials, 2023 Aug vol. 0, no. 0, pp.1-11, 2023.

AHMADI NAJAFABADI MEHDI ، ALIMIRZAEIFARADONBEH SAJAD ، BANI MOHAMMAD ALI AMIR ، Lotfollah Pahlavan, "Buckling assessment of GFRP and carbon fiber-reinforced plastic filament-wound tubes using an acoustic emission-based methodology", Journal of Reinforced Plastics and Composites, 2023 Aug vol. 0, no. 0, pp.1-15, 2023.

SAEEDIFAR MILAD ، Hamed Saghafi ، Hesam Saghafi ، AHMADI NAJAFABADI MEHDI, "Experimental and numerical study of fatigue behavior of multi-layer carbon/epoxy composite reinforced with nano-fiber", , 2023 Mar vol. 54, no. 12, pp.11-11, 2023.

ALIMIRZAEIFARADONBEH SAJAD ، AHMADI NAJAFABADI MEHDI ، NIKBAKHT ALI, "Investigation of mechanical properties and failure behavior of CFRP filament-wound composites using an acoustic emission-based methodology and numerical simulation", Fibers and Polymers, 2023 Feb vol. 24, no. 0, pp.693-707, 2023.

ALIMIRZAEIFARADONBEH SAJAD ، AHMADI NAJAFABADI MEHDI ، NIKBAKHT ALI ، Lotfollah Pahlavan, "Investigation of energy absorption capacity of 3D filament wound composite tubes: experimental evaluation, numerical simulation, and acoustic emission monitoring", Mechanics of Advanced Materials and Structures, 2023 Jan vol. 0, no. 0, pp.1-12, 2023.

BANI MOHAMMAD ALI AMIR ، ALIMIRZAEIFARADONBEH SAJAD ، AHMADI NAJAFABADI MEHDI, "Evaluation of Damage of Filament Wound Composite Tubes under Lateral Loading by Acoustic Emission Method and Finite Element Simulation", Modares Mechanical Engineering, 2022 Nov vol. 22, no. 11, pp.647-655, 2022.

Javad Sharifi Ghaderi ، AHMADI NAJAFABADI MEHDI, "Acoustic Emission Characteristics Determination for Online Structural Monitoring of Fatigue Crack Growth in Aluminum Alloy 2025", International Journal of Reliability, Risk and Safety: Theory and Application, 2022 Nov vol. 5, no. 1, pp.37-42, 2022.

Samira Karami ، Ramin Khamedi ، Hamed Azizi ، AHMADI NAJAFABADI MEHDI, "Investigation of the effect of nanoparticles on wood-bioplastic composite behavior using the acoustic emission method", Journal of Composite Materials, 2022 Oct vol. 57, no. 1, pp.23-34, 2022.

Milad Dehnad ، Mehdi Kamali Dolatabadi ، AHMADI NAJAFABADI MEHDI ، ASGHARIAN JEDDI ALI ASGHAR, "Behavior of woven fabric composite under tensile loads in different directions using acoustic emission", Journal of Industrial Textiles, 2022 Sep vol. 52, no. 0, pp.1-21, 2022.

POURDADASH FARDNAM ATABAK ، MALEKI DIZAJ ABDULLAH ، AHMADI NAJAFABADI MEHDI, "Investigation of buckling of laminated composites repaired by resin injection using acoustic emission and cohesive zone simulation method", Composite Structures, 2022 Aug vol. 298, no. 116008, pp.1-9, 2022.

ALIMIRZAEIFARADONBEH SAJAD ، AHMADI NAJAFABADI MEHDI ، KHODAEI ARASH, "Characterization of The Damage Mechanism of Glass/Epoxy Composite Tubes Under Quasi Static Axial Loading Using Acoustic Emission Monitoring", Applied Composite Materials, 2022 Jul vol. 29, no. 0, pp.1911-1936, 2022.

ALIMIRZAEIFARADONBEH SAJAD ، AHMADI NAJAFABADI MEHDI ، BANI MOHAMMAD ALI AMIR, "Investigation of failure mechanism of the composite tubes made by filament winding process by acoustic emission method", Amirkabir Journal of Mechanical Engineering, 2022 Apr vol. 54, no. 6, pp.7-24, 2022.

ALIMIRZAEIFARADONBEH SAJAD ، AHMADI NAJAFABADI MEHDI ، NIKBAKHT ALI ، Lotfollah Pahlavan, "Damage mechanism characterization of plus/minus 35 degree and plus/minus 55 degree FW composite tubes using acoustic emission method", International Journal of Damage Mechanics, 2022 Apr vol. 0, no. 0, pp.1-24, 2022.

Milad Dehnad ، Mehdi Kamali Dolatabadi ، AHMADI NAJAFABADI MEHDI ، ASGHARIAN JEDDI ALI ASGHAR, "Damage characterization of woven fabric composite using acoustic emission method: warp and bias directions", Journal of The Textile Institute, 2021 Apr vol. 0, no. 0, pp.1-9, 2021.

MOHAMMADI REZA ، AHMADI NAJAFABADI MEHDI ، Hamed Saghafi ، Milad Saeedifar ، Dimitrios Zarouchas, "A quantitative assessment of the damage mechanisms of CFRP laminates interleaved by PA66 electrospun nanofibers using acoustic emission", Composite Structures, 2020 Dec vol. 258, no. 0, pp.1-12, 2020.

MOHAMMADI REZA ، AHMADI NAJAFABADI MEHDI ، Hamed saghafi ، Milad saeedifar ، Dimitrios Zarouchas, "The effect of mode II fatigue crack growth rate on the fractographic features of CFRP composite laminates: An acoustic emission and scanning electron microscopy analysis", Engineering Fracture Mechanics, 2020 Nov vol. 241, no. 0, pp.1-14, 2020.

SAFIKHANLU HAMED ، AHMADI NAJAFABADI MEHDI ، ALIMIRZAEIFARADONBEH SAJAD, "Investigation of autofrettage process in Al 1050 specimens by finite element and experimental method", , 2020 Aug vol. 51, no. 3, pp.109-117, 2020.

MOHAMMADI REZA ، AHMADI NAJAFABADI MEHDI ، Hamed Saghafi ، Dimitrios Zarouchas, "Fracture and fatigue behavior of carbon/epoxy laminates modified by nanofibers", Composites Part A-Applied Science and Manufacturing, 2020 Jul vol. 137, no. 0, pp.1-11, 2020.

MOHAMMADI REZA ، AHMADI NAJAFABADI MEHDI ، Hamed saghafi ، Dimitrios Zarouchas, "Mode-II fatigue response of AS4/8552 carbon /epoxy composite laminates interleaved by electrospun nanofibers", Thin-Walled Structures, 2020 May vol. 154, no. 0, pp.1-12, 2020.

SAFIKHANLU HAMED ، ALIMIRZAEIFARADONBEH SAJAD ، AHMADI NAJAFABADI MEHDI, "Behavior of critically refracted longitudinal and lamb waves with stress variations in Al 1050 sample", Modares Mechanical Engineering, 2020 Apr vol. 20, no. 5, pp.1223-1234, 2020.

NAZMDAR MEHRDAD ، AHMADI NAJAFABADI MEHDI ، AKHLAGHI MEHDI, "On the improvement of analytical delamination model for drilling of laminated composites using Galerkin method", Composites Part B-Engineering, 2020 Apr vol. 194, no. 0, pp.1-13, 2020.

HABIBI MAHDI ، YOUSEFI JALAL ، AHMADI NAJAFABADI MEHDI, "Investigation the Effect of Loading Rates on Fracture Toughness of Loading Mode I in Glass / Epoxy Composite Laminates by Acoustic Emission", Modares Mechanical Engineering, 2019 Dec vol. 19, no. 12, pp.2917-2925, 2019.

FAGHIH KHORASANI FATEMEH ، KABIR MOHAMMAD ZAMAN ، AHMADI NAJAFABADI MEHDI ، khosrow Ghavami, "Predicting compressive stress?strain curves of structural adobe cubes based on Acoustic Emission (AE) hits and Weibull distribution", International Journal of Structural Integrity, 2019 Nov vol. 10, no. 6, pp.776-791, 2019.

AKBARI SHAHKHOSRAVI NAEIM ، YOUSEFI JALAL ، AHMADI NAJAFABADI MEHDI ، Giangiacomo Minak ، HOSSEINI TOUDESHKY HOSSEIN ، SHEIBANIAN FARIBORZ, "Static strength and damage evaluation of high speed drilled composite material using acoustic emission and finite element techniques", Engineering Fracture Mechanics, 2019 Apr vol. 210, no. 0, pp.470-485, 2019.

Naeim Akbari Shahkhosravi ، YOUSEFI JALAL ، AHMADI NAJAFABADI MEHDI ، Colin Burvill ، Giangiacomo Minak, "Fatigue life reduction of GFRP composites due to delamination associated with the introduction of functional discontinuities", Composites Part B-Engineering, 2019 Apr vol. 163, no. 0, pp.536-574, 2019.

SAEEDIFAR MILAD ، AHMADI NAJAFABADI MEHDI ، Dimitrios Zarouchas ، HOSSEINI TOUDESHKY HOSSEIN ، Meisam Jalalvand, "Barely visible impact damage assessment in laminated composites using acoustic emission", Composites Part B-Engineering, 2018 Nov vol. 152, no. 0, pp.180-192, 2018.

BELALPOUR DASTJERDI PARINAZ ، AHMADI NAJAFABADI MEHDI, "Characterizing the damage mechanisms in mode II delamination in glass/epoxy composite using acoustic emission", Structural Engineering and Mechanics, 2018 Sep vol. 67, no. 4, pp.1-9, 2018.

HABIBI MAHDI ، YOUSEFI JALAL ، AHMADI NAJAFABADI MEHDI, "Damage assessment of mode II of polymer composite material using a new acoustic emission and finite element methods", , 2018 Jul vol. 18, no. 4, pp.126-134, 2018.

GHOLIZADEH ALI ، AHMADI NAJAFABADI MEHDI ، Hamed Saghafi ، MOHAMMADI REZA, "Considering damages to open-holed composite laminates modified bynano-fibers under the three-point bending test", Polymer Testing, 2018 Jul vol. 70, no. 0, pp.363-377, 2018.

GHOLIZADEH ALI ، AHMADI NAJAFABADI MEHDI ، Hamed Saghafi ، MOHAMMADI REZA, "Considering damage during fracture test on nanomodified laminates using acoustic emission method", European Journal of Mechanics A-Solids, 2018 Jun vol. 72, no. 0, pp.452-463, 2018.

SAEEDIFAR MILAD ، AHMADI NAJAFABADI MEHDI ، Dimitrios Zarouchas ، HOSSEINI TOUDESHKY HOSSEIN ، Meisam Jalalvand, "Clustering of Interlaminar and Intralaminar damages in Laminated Composites under Indentation Loading using Acoustic Emission", Composites Part B-Engineering, 2018 Jan vol. 144, no. 0, pp.206-219, 2018.

SADEGHI SEYEDALI ، Navid Zarif Karimi ، Mohammad Fotouhi ، ، AHMADI NAJAFABADI MEHDI ، Ana Pavlovic, "Residual Stress Evaluation in Friction Stir Welding of Aluminum Plates by Means of Acoustic Emission and Ultrasonic Waves", Fme Transactions, 2018 Jan vol. 46, no. 0, pp.230-237, 2018.

SOUKHANI DARISOFLA ANVAR ، SAEEDIFAR MILAD ، AHMADI NAJAFABADI MEHDI ، Mohamad Fotouhi ، Dimitrios Zarouchas, "The study of buckling and post-buckling behavior of laminated composites consisting multiple delaminations using acoustic emission", Thin-Walled Structures, 2018 Jan vol. 128, no. 0, pp.145-156, 2018.

SAEEDIFAR MILAD ، AHMADI NAJAFABADI MEHDI ، Kaivan Mohammadi ، Mohamad Fotouhi ، HOSSEINI TOUDESHKY HOSSEIN ، MOHAMMADI REZA, "Acoustic Emission-Based Methodology to Evaluate Delamination Crack Growth Under Quasi-static and Fatigue Loading Conditions", Journal of Nondestructive Evaluation, 2018 Jan vol. 37, no. 1, pp.1-13, 2018.

MALEKI ABDOLLAH ، SAEEDIFAR MILAD ، AHMADI NAJAFABADI MEHDI ، Dimitrios Zarouchas, "The Fatigue Failure Study of Repaired Aluminum Plates by Composite Patches using Acoustic Emission", Engineering Fracture Mechanics, 2017 Dec vol. 0, no. 0, pp.1-12, 2017.

AHMADI NAJAFABADI MEHDI ، Salehi Manouchehr ، MOROVVATI MOHAMMAD REZA ، ، seyed ali ebrahimian ، Cevat Teymuri Sindi, "Investigation of deep drawing process by the means of acoustic emission characteristics", Materials Evaluation, 2017 Nov vol. 17, no. 11, pp.1525-1531, 2017.

YOUSEFI JALAL ، AHMADI NAJAFABADI MEHDI ، HOSSEINI TOUDESHKY HOSSEIN ، AKHLAGHI MEHDI, "Damage evaluation of laminated composite material using a new acoustic emission Lamb-based and finite element techniques", Applied Composite Materials, 2017 Oct vol. 0, no. 0, pp.1-20, 2017.

MOUSAVI NASAB MIR MOHAMMAD ، Hamid Fotouhi ، MOHAMMADI REZA ، AHMADI NAJAFABADI MEHDI ، HOSSEINI TOUDESHKY HOSSEIN, "Investigation of failure mechanisms of notched aluminum plates repaired with composite patches using acoustic emission method", , 2017 Oct vol. 17, no. 8, pp.406-412, 2017.

GHOLIZADEH ALI ، AKBARI SHAHKHOSRAVI NAEIM ، MOHAMMADI REZA ، AHMADI NAJAFABADI MEHDI ، Hossein Heidary, "The effect of carbon nanotubes on the life of drilled glass / epoxy composite under fatigue loading", , 2017 Oct vol. 17, no. 8, pp.399-405, 2017.

GHAYOOMI MOHAMMADI MOHAMMAD ، MAHDIAN AHI SEYED ALI ، YOUSEFI JALAL ، AHMADI NAJAFABADI MEHDI, "AE- based damage investigation in unidirectional composite laminates under low-velocity impact tests", , 2017 Sep vol. 17, no. 7, pp.91-100, 2017.

MOHAMMADI REZA ، SAEEDIFAR MILAD ، AHMADI NAJAFABADI MEHDI ، HOSSEINI TOUDESHKY HOSSEIN, "Acoustic Emission Based Methodology to Evaluate the Fracture Toughness in Carbon/Epoxy Composites", , 2017 Sep vol. 49, no. 2, pp.379-386, 2017.

Saeed Kazemi Najafi ، Houri Sharifinia ، AHMADI NAJAFABADI MEHDI ، Eric Landis, "Acoustic emission characterization of failure mechanisms in oriented strand board using wavelet based and unsupervised clustering methods", Wood Science and Technology, 2017 Aug vol. 0, no. 0, pp.1-13, 2017.

SAEEDIFAR MILAD ، AHMADI NAJAFABADI MEHDI ، YOUSEFI JALAL ، MOHAMMADI REZA ، HOSSEINI TOUDESHKY HOSSEIN ، Giangiacomo Minak, "Delamination Analysis in Composite Laminates by means of Acoustic Emission and Bi-linear/Tri-linear Cohesive Zone Modeling", Composite Structures, 2016 Dec vol. 161, no. 0, pp.505-512, 2016.

SAEEDIFAR MILAD ، AHMADI NAJAFABADI MEHDI ، HOSSEINI TOUDESHKY HOSSEIN ، MOHAMMADI REZA, "Investigation of delaminiation initiation and propagation in glass/epoxy composites with acoustic emission technique", , 2016 Dec vol. 48, no. 8, pp.411-422, 2016.

MAHDIAN AHI SEYED ALI ، YOUSEFI JALAL ، AHMADI NAJAFABADI MEHDI ، ESMAEILZARE AMIR, "Residual stress evaluation in friction stir-welded aluminum plates using finite element method and acoustic emission", Journal of Materials Science, 2016 Oct vol. 0, no. 0, pp.1-14, 2016.

MOHAMMADI REZA ، AHMADI NAJAFABADI MEHDI ، SAEEDIFAR MILAD ، YOUSEFI JALAL ، Giangiacomo Minak, "Correlation of acoustic emission with finite element predicted damages in open-hole tensile laminated composites", Composites Part B-Engineering, 2016 Sep vol. 108, no. 0, pp.427-435, 2016.

AKBARI SHAHKHOSRAVI NAEIM ، GHOLIZADEH ALI ، MOHAMMADI REZA ، SAEEDIFAR MILAD ، AHMADI NAJAFABADI MEHDI, "Quantification of damage mechanisms in holed composite laminates by acoustic emission and finite element methods", , 2016 Aug vol. 16, no. 6, pp.345-352, 2016.

HOSSEINI SADEGH ، AHMADI NAJAFABADI MEHDI ، AKHLAGHI MEHDI, "Using acoustic emission method for lubrication monitoring in a journal bearing in the time- frequency domain", , 2016 Aug vol. 16, no. 6, pp.171-180, 2016.

Hoori Sharifinia ، Saeid Kazemi Najafi ، AHMADI NAJAFABADI MEHDI, "Evaluation of fracture behavior of scobs under tensile load using acoustic emission technique", , 2016 Aug vol. 69, no. 2, pp.339-349, 2016.

MAHDIAN AHI SEYED ALI ، YOUSEFI JALAL ، NAZMDAR MEHRDAD ، Vavid Zarif Karimi ، AHMADI NAJAFABADI MEHDI ، Giangiacomo Minak, "Damage evaluation of laminated composites under low-velocity impact tests using acoustic emission method", Journal of Composite Materials, 2016 May vol. 0, no. 0, pp.1-12, 2016.

FOTOUHI MOHAMAD ، Hamed Saghafi ، Tommaso Brugo ، Giangiacomo Minak ، Cristiano Fragassa ، Andrea Zucchelli ، AHMADI NAJAFABADI MEHDI, "Effect of PVDF nanofibers on the fracture behavior of composite laminates for high-speed woodworking machines", Proceedings of The Institution of Mechanical Engineers Part C-Journal of Mechanical Engineering Science, 2016 Apr vol. 0, no. 0, pp.1-13, 2016.

SAEEDIFAR MILAD ، FOTOUHI MOHAMAD ، AHMADI NAJAFABADI MEHDI ، HOSSEINI TOUDESHKY HOSSEIN ، Giangiacomo Minak, "Prediction of quasi-static delamination onset and growth in laminated composites by Acoustic Emission", Composites Part B-Engineering, 2016 Feb vol. 85, no. 0, pp.113-122, 2016.

SAEEDIFAR MILAD ، FOTOUHI MOHAMAD ، AHMADI NAJAFABADI MEHDI, "Investigation of push-out delamination using cohesive zone modelling and acoustic emission technique", Journal of Composite Materials, 2015 Dec vol. 0, no. 0, pp.1-12, 2015.

HOSSEINI SADEGH ، AHMADI NAJAFABADI MEHDI ، AKHLAGHI MEHDI, "Classification of acoustic emission signals generated from journal bearing at different lubrication conditions based on wavelet analysis in combination with artificial neural network and genetic algorithm", Tribology International, 2015 Dec vol. 95, no. 0, pp.426-434, 2015.

YOUSEFI JALAL ، MOHAMMADI REZA ، SAEEDIFAR MILAD ، AHMADI NAJAFABADI MEHDI ، HOSSEINI TOUDESHKY HOSSEIN, "Delamination characterization in composite laminates using acoustic emission features, micro visualization and finite element modeling", Journal of Composite Materials, 2015 Nov vol. 0, no. 0, pp.1-13, 2015.

MOUSAVI NASAB MIR MOHAMMAD ، SAEEDIFAR MILAD ، AHMADI NAJAFABADI MEHDI ، HOSSEINI TOUDESHKY HOSSEIN, "Investigation of delamination in laminated composites under quasi-static and fatigue loading conditions by acoustic emission", , 2015 Oct vol. 15, no. 8, pp.85-92, 2015.

NAZMDAR MEHRDAD ، YOUSEFI JALAL ، FOTOUHI MOHAMAD ، AHMADI NAJAFABADI MEHDI, "Damage evaluation of composite materials using acoustic emission features and Hilbert transform", Journal of Composite Materials, 2015 Sep vol. 0, no. 0, pp.1-11, 2015.

FOTOUHI MOHAMAD ، SADEGHI SEYEDALI ، Meisam Jalalvand ، AHMADI NAJAFABADI MEHDI, "Analysis of the damage mechanisms in mixedmode delamination of laminated composites using acoustic emission data clustering", Journal of Thermoplastic Composite Materials, 2015 Sep vol. 0, no. 0, pp.1-23, 2015.

MOHAMMADI REZA ، SAEEDIFAR MILAD ، HOSSEINI TOUDESHKY HOSSEIN ، AHMADI NAJAFABADI MEHDI ، FOTOUHI MOHAMAD, "Prediction of delamination growth in carbon/epoxy composites using a novel acoustic emission-based approach", Journal of Reinforced Plastics and Composites, 2015 Apr vol. 0, no. 0, pp.1-11, 2015.

SAEEDIFAR MILAD ، FOTOUHI MOHAMAD ، AHMADI NAJAFABADI MEHDI ، HOSSEINI TOUDESHKY HOSSEIN, "Prediction of delamination growth in laminated composites using acoustic emission and cohesive zone modeling techniques", Composite Structures, 2015 Jan vol. 124, no. 0, pp.120-127, 2015.

FOTOUHI MOHAMAD ، SAEEDIFAR MILAD ، SADEGHI SEYEDALI ، AHMADI NAJAFABADI MEHDI ، Giangiacomo Minak, "Investigation of the damage mechanisms for mode I delamination growth in foam core sandwich composites using acoustic emission", Structural Health Monitoring-An International Journal, 2015 Jan vol. 0, no. 0, pp.1-16, 2015.

SAEEDIFAR MILAD ، FOTOUHI MOHAMAD ، AHMADI NAJAFABADI MEHDI ، HOSSEINI TOUDESHKY HOSSEIN, "Interlaminar Fracture Toughness Evaluation in Glass/Epoxy Composites Using Acoustic Emission and Finite Element Methods", Journal of Materials Engineering and Performance, 2014 Nov vol. 0, no. 0, pp.1-12, 2014.

MOHAMMADI REZA ، SAEEDIFAR MILAD ، FOTOUHI MOHAMAD ، TEYMURI SINDI CEVAT ، AHMADI NAJAFABADI MEHDI, "Determination of fracture toughness of heat treated AISI D2 steel usingFinite Element and Acoustic Emission methods", , 2014 Oct vol. 14, no. 11, pp.1-8, 2014.

FOTOUHI MOHAMAD ، AHMADI NAJAFABADI MEHDI, "Investigation of the mixed-mode delamination in polymer-matrix composites using acoustic emission technique", Journal of Reinforced Plastics and Composites, 2014 Sep vol. 33, no. 19, pp.1767-1782, 2014.

SAEEDIFAR MILAD ، FOTOUHI MOHAMAD ، MOHAMMADI REZA ، AHMADI NAJAFABADI MEHDI ، HAJIKHANI MILAD, "Classification of damage mechanisms during delamination growth in sandwich composites byacoustic emission", , 2014 Aug vol. 14, no. 6, pp.144-152, 2014.

SAEEDIFAR MILAD ، FOTOUHI MOHAMAD ، MOHAMMADI REZA ، AHMADI NAJAFABADI MEHDI ، HOSSEINI TOUDESHKY HOSSEIN, "Investigation of delamination and interlaminar fracture toughness assessment of glass/epoxy composite by acoustic emission", , 2014 May vol. 14, no. 4, pp.1-11, 2014.

BELALPOUR DASTJERDI PARINAZ ، FOTOUHI MOHAMAD ، sakine Fotohi ، AHMADI NAJAFABADI MEHDI, "Acoustic emission based study to investigate the initiation and growth of delamination in composite materials", , 2014 May vol. 14, no. 3, pp.78-84, 2014.

Farzad Pashmforoush ، Ramin Khamedi ، FOTOUHI MOHAMAD ، HAJIKHANI MILAD ، AHMADI NAJAFABADI MEHDI, "Damage Classification of Sandwich Composites Using Acoustic Emission Technique and k-means Genetic Algorithm", Journal of Nondestructive Evaluation, 2014 Apr vol. 33, no. 0, pp.481-492, 2014.

FOTOUHI MOHAMAD ، BELALPOUR DASTJERDI PARINAZ ، AHMADI NAJAFABADI MEHDI, "Acoustic Emission Based Method to Characterize Glass/Epoxy Composite Damages During 3-point Bending Test", International Journal of Material Science(Ijmsci), 2014 Mar vol. 4, no. 1, pp.22-30, 2014.

Yashar Javadi ، AKHLAGHI MEHDI ، AHMADI NAJAFABADI MEHDI, "Nondestructive Evaluation of Welding Residual Stresses in Austenitic Stainless Steel Plates", Research In Nondestructive Evaluation, 2014 Mar vol. 0, no. 25, pp.30-43, 2014.

YOUSEFI JALAL ، AHMADI NAJAFABADI MEHDI ، NAZMDAR MEHRDAD ، Amir Refahi ، JALALI MOGHADAS FARSHID, "Damage Categorization of Glass/Epoxy Composite Material Under Mode II Delamination Using Acoustic Emission Data: A Clustering Approach to Elucidate Wavelet Transformation Analysis", Arabian Journal For Science and Engineering, 2014 Mar vol. 39, no. 2, pp.1325-1335, 2014.

Navid Zarif Karimi ، Hosein Heidary ، AHMADI NAJAFABADI MEHDI ، RAHIMI ABDOLREZA ، Mehdi Farajpur, "Monitorng of residual tensile strength in drilled composite laminates by acoustic emission", , 2014 Mar vol. 13, no. 15, pp.169-183, 2014.

Mohsen Khedmat ، AHMADI NAJAFABADI MEHDI ، RAHIMY BAFGHY HAMID, "Acousto elastic constant measurement in the HAZ of aluminum connection with the approach of using differnt frquencies", Indian Journal of Scientific Research, 2014 Mar vol. 1, no. 2, pp.329-334, 2014.

TEYMURI SINDI CEVAT ، AHMADI NAJAFABADI MEHDI ، Salehi Manouchehr, "Wavelet-based acoustic emission characterization of surface damages during experimental simulation of sheet metal forming process", Proceedings of The Institution of Mechanical Engineers Part J-Journal of Engineering Tribology, 2014 Feb vol. 228, no. 3, pp.253-265, 2014.

Yashar Javadi ، SADEGHI SEYEDALI ، AHMADI NAJAFABADI MEHDI, "Taguchi optimization and ultrasonic measurement of residual stresses in the friction stir welding", Materials and Design, 2014 Jan vol. 55, no. 0, pp.27-34, 2014.

Hossein Heidary ، ZARIF KARIMI NAVID ، AHMADI NAJAFABADI MEHDI ، RAHIMI ABDOLREZA ، Andera Zucchelli, "Clustering of Acoustic Emission Signals Collected during Drilling Process of Composite Materials Using Unsupervised Classifiers", Journal of Composite Materials, 2014 Jan vol. 0, no. 0, pp.1-13, 2014.

FOTOUHI MOHAMAD ، AHMADI NAJAFABADI MEHDI, "Acoustic emission-based study to characterize the initiation of delamination in composite materials", Journal of Thermoplastic Composite Materials, 2014 Jan vol. 0, no. 0, pp.1-19, 2014.

TEYMURI SINDI CEVAT ، AHMADI NAJAFABADI MEHDI ، Salehi Manouchehr, "Tribological Behavior of Sheet Metal Forming Process Using Acoustic Emission Characteristics", Tribology Letters, 2013 Aug vol. 51, no. 2, pp.1-15, 2013.

SADEGHI SEYEDALI ، AHMADI NAJAFABADI MEHDI ، Yashar Javadi ، MOHAMMADI SEFAT MOHAMMAD JAVAD, "Using ultrasonic waves and finite element method to evaluate through-thickness residual stresses distribution in the friction stir welding of aluminum plates", Materials and Design, 2013 Jul vol. 52, no. 0, pp.870-880, 2013.

Yashar Javadi ، AHMADI NAJAFABADI MEHDI ، AKHLAGHI MEHDI, "Comparison between Contact and Immersion Method in Ultrasonic Stress Measurement of Welded Stainless Steel Plates", Journal of Testing and Evaluation, 2013 Apr vol. 41, no. 5, pp.788-797, 2013.

FOTOUHI MOHAMAD ، TEYMURI SINDI CEVAT ، AHMADI NAJAFABADI MEHDI ،, "Fracture Characteristics of AISI D2 Tool Steel at Different Tempering Temperatures Using Acoustic Emission and Fuzzy C-Means Clustering", Arabian Journal For Science and Engineering, 2013 Mar vol. 0, no. 0, , 2013.

TEYMURI SINDI CEVAT ، AHMADI NAJAFABADI MEHDI ، Salehi Manouchehr, "Investigation of surface damages during sheet metal forming using acoustic emission", Proceedings of The Institution of Mechanical Engineers Part J-Journal of Engineering Tribology, 2013 Mar vol. 227, no. 3, pp.286-296, 2013.

Yashar Javadi ، Vagelis Plevris ، AHMADI NAJAFABADI MEHDI, "Using LCR Ultrasonic Method to Evaluate Residual Stress in Dissimilar Welded Pipes", International Journal of Innovation,Management and Technology, 2013 Feb vol. 4, no. 1, pp.170-174, 2013.

Yashar Javadi ، SALIMI PIR ZMAN HAMED ، HADIZADEH RAEISI MOHAMMADREZA ، AHMADI NAJAFABADI MEHDI, "Ultrasonic inspection of a welded stainless steel pipe to evaluate residual stresses through thickness", Materials and Design, 2013 Feb vol. 49, no. 0, pp.591-601, 2013.

JAVADI YASHAR ، AKHLAGHI MEHDI ، AHMADI NAJAFABADI MEHDI, "Using Finite Element and Ultrasonic Method to Evaluate Welding Longitudinal Residual Stress through the Thickness in Austenitic Stainless Steel Plates", Materials and Design, 2013 Jan vol. 45, no. 0, pp.628-642, 2013.

Yashar Javadi ، AHMADI NAJAFABADI MEHDI, "Comparison between Contact and Immersion Ultrasonic Method to Evaluate Welding Residual Stresses of Dissimilar Joints", Materials and Design, 2013 Jan vol. 47, no. 0, pp.473-482, 2013.

JAVADI YASHAR ، AFZALI NANIZ OMID ، HADIZADEH RAEISI MOHAMMADREZA ، AHMADI NAJAFABADI MEHDI, "Nondestructive Evaluation ofWelding Residual Stresses in Dissimilar Welded Pipes", Journal of Nondestructive Evaluation, 2013 Jan vol. 0, no. 0, , 2013.

FOTOUHI MOHAMAD ، HEIDARY KALAHROODI HOSSEIN ، ، AHMADI NAJAFABADI MEHDI, "Composite materials damage characterization under qusi-static 3-points bending test using fuzzy c-means clustering", Applied Mechanics and Materials, 2012 Dec vol. 110-116, no. 0, pp.1221-1228, 2012.

ZARIF KARIMI NAVID ، HEIDARY KALAHROODI HOSSEIN ، Giangiacomo Minak ، AHMADI NAJAFABADI MEHDI, "Effect of the drilling process on the compression behavior of glass/epoxy laminates", Composite Structures, 2012 Nov vol. 0, no. 0, , 2012.

JAVADI YASHAR ، AHMADI NAJAFABADI MEHDI ، AKHLAGHI MEHDI, "Residual Stress Evaluation in Dissimilar Welded Joints Using Finite Element Simulation and the LCR Ultrasonic Wave", Russian Journal of Nondestructive Testing, 2012 Nov vol. 48, no. 9, pp.541-552, 2012.

HEIDARY KALAHROODI HOSSEIN ، AHMADI NAJAFABADI MEHDI ، RAHIMI ABDOLREZA ، Giangiacomo Minak, "Wavelet-based Acoustic Emission Characterization of Residual Strength of Drilled Composite Materials", Journal of Composite Materials, 2012 Oct vol. 0, no. 0, , 2012.

100

101

، ، AHMADI NAJAFABADI MEHDI, "Acoustic emission-based damage classification of glass/polyester composites using harmony search k-means algorithm", Journal of Reinforced Plastics and Composites, 2012 May vol. 31, no. 10, pp.671-680, 2012.

102

ZARIF KARIMI NAVID ، HEIDARY KALAHROODI HOSSEIN ، AHMADI NAJAFABADI MEHDI, "Residual tensile strength monitoring of drilled composite materials by acoustic emission", Materials and Design, 2012 Apr vol. 40, no. 0, pp.229-236, 2012.

103

MOSTAFAVI SAJAD ، FOTOUHI MOHAMAD ، ، AHMADI NAJAFABADI MEHDI ، TEYMURI SINDI CEVAT, "Acoustic Emission Methodology to Evaluate the Fracture Toughness in Heat Treated AISI D2 Tool Steel", Journal of Materials Engineering and Performance, 2012 Jan vol. 0, no. 0, , 2012.

104

TAGHIZADEH JAHAN ، AHMADI NAJAFABADI MEHDI, "Identification of damage modes in polypropylene/epoxy composites by using principal component analysis on AE signals extracted from Mode I delamination", Nondestructive Testing and Evaluation, 2012 Jan vol. 0, no. 0, pp.1-20, 2012.

105

TAJIK BEHNAZ ، ABBASSI ABBAS ، SAFFAR-AVVAL MAJID ، AHMADI NAJAFABADI MEHDI, "Ultrasonic properties of suspensions of TiO2 and Al2O3 nanoparticles in water", Powder Technology, 2012 Jan vol. 217, no. 0, pp.171-176, 2012.

106

Amir Refahi Oskouei ، HEIDARY KALAHROODI HOSSEIN ، AHMADI NAJAFABADI MEHDI ، Mehdi Farajpur, "Unsupervised acoustic emission data clustering for the analysis of damage mechanisms in glass/polyester composites", Materials and Design, 2012 Jan vol. 37, no. 0, pp.416-422, 2012.

107

Zamn Saeidinia ، AHMADI NAJAFABADI MEHDI ، Dariush Jawabvar, "The Study of Residual Stress in Welded Specimens of Aluminium Alloy by Using Acoustic Emission Method", Applied Mechanics and Materials, 2012 Jan vol. 110-116, no. 0, pp.3617-3623, 2012.

108

FOTOUHI MOHAMAD ، HEIDARY KALAHROODI HOSSEIN ، PASHMFOROUSH FARZAD ، AHMADI NAJAFABADI MEHDI, "Composite Materials Damage Characterization under Quasi-static 3-Point Bending Test Using Fuzzy C-Means Clustering", Applied Mechanics and Materials, 2012 Jan vol. 110-116, no. 0, pp.1221-1228, 2012.

109

AHMADI NAJAFABADI MEHDI ، TAGHIZADEH JAHAN, "Classification of acoustic emission signals collected during mode I delamination on glass/polyester composites by integration on the principal component analysis and fuzzy clustering means", , 2011 Dec vol. 22, no. 2, pp.1-16, 2011.

110

، ، AHMADI NAJAFABADI MEHDI ، REFAHI OSKOUEI AMIR, "Monitoring the initiation and growth of delamination in composite materials using acoustic emission under quasi-static three-point bending test", Journal of Reinforced Plastics and Composites, 2011 Oct vol. 30, no. 17, pp.1481-1493, 2011.

111

، HEIDARY KALAHROODI HOSSEIN ، AHMADI NAJAFABADI MEHDI ،, "Characterization of composite materials damage under qusi-static 3-point bending test using wavelet and fuzzy C-means clustering", Journal of Composite Materials, 2011 Sep vol. 0, no. 0, pp.1-14, 2011.

112

BATENI ALI ، Parvin Nader ، AHMADI NAJAFABADI MEHDI, "Density evaluation of powder metallurgy compacts using in situ X-ray radiography", Powder Metallurgy, 2011 Sep vol. 54, no. 3, pp.1-4, 2011.

113

، ، AHMADI NAJAFABADI MEHDI, "Damage Characterization of Glass/Epoxy Composite Under Three-Point Bending Test Using Acoustic Emission Technique", Journal of Materials Engineering and Performance, 2011 Aug vol. 0, no. 0, pp.1-11, 2011.

114

TAGHIZADEH JAHAN ، AHMADI NAJAFABADI MEHDI, "Classification of Acoustic Emission Signals Collected During Tensile Tests on Unidirectional Ultra High Molecular Weight Polypropylene Fiber Reinforced Epoxy Composites Using Principal Component Analysis", Russian Journal of Nondestructive Testing, 2011 Jul vol. 47, no. 7, pp.491-500, 2011.

115

Ali Moarefzadeh ، AHMADI NAJAFABADI MEHDI, "Finite Element Simulation of Plasma Arc Welding Process for Ferrite Stainless Steel", Majlesi Journal of Mechanical Engineering, 2011 May vol. 4, no. 3, pp.67-74, 2011.

116

HAJIKHANI MILAD ، AHMADI NAJAFABADI MEHDI ، Mehdi Farjpour ، Amir Refahi Oskuei ، Amir Sharifi, "Strain energy release rate assessment in mode I delamination of foam core sandwich composites by acoustic emission", Journal of Composite Materials, 2011 May vol. 0, no. 0, pp.1-7, 2011.

117

BAKHTIARY DAVIJANI AMIR AHMAD ، HAJIKHANI MILAD ، AHMADI NAJAFABADI MEHDI, "Acoustic Emission Based on Sentry Function to Monitor the Initiation of Delamination in Composite Materials", Materials and Design, 2011 Apr vol. 32, no. 5, pp.3059-3065, 2011.

118

TEYMURI SINDI CEVAT ، AHMADI NAJAFABADI MEHDI ، Seyed Ali EBRAHIMIAN, "Fracture Toughness Determination of Heat Treated AISI D2 Tool Steel Using AE Technique", Isij International, 2011 Mar vol. 51, no. 2, pp.305-312, 2011.

119

REFAHI OSKOUEI AMIR ، Anderea Zucchelli ، AHMADI NAJAFABADI MEHDI ، Giangiacomo Minak, "An integrated approach based on acoustic emission and mechanical information to evaluate the delamination fracture toughness at mode I in composite laminate", Materials and Design, 2011 Jan vol. 32, no. 3, pp.1444-1455, 2011.

120

HAJIKHANI MILAD ، REFAHI OSKOUEI AMIR ، AHMADI NAJAFABADI MEHDI ، Amir Sharifi ، Mohammad Heidari, "Progressive Fracture Evaluation in Composite Materials by Acoustic Emission Technique", Key Engineering Materials, 2011 Jan vol. 465, no. 0, pp.535-538, 2011.

121

REFAHI OSKOUEI AMIR ، HAJIKHANI MILAD ، AHMADI NAJAFABADI MEHDI ، Amir Sharifi ، Mohammad Heidari, "Damage Progression and Residual Strength Evaluation in Sandwich Panels Loaded at the Center", Key Engineering Materials, 2011 Jan vol. 465, no. 0, pp.527-530, 2011.

122

REFAHI OSKOUEI AMIR ، KHAMEDI RAMIN ، AHMADI NAJAFABADI MEHDI ، HAJIKHANI MILAD, "Characterization of Mode I Delamination in Comomposite Materials by Acoustic Emission", Journal of Pure and Applied Ultrasonics, 2010 Apr vol. 32, no. 1, pp.3-7, 2010.

123

REFAHI OSKOUEI AMIR ، AHMADI NAJAFABADI MEHDI, "Acoustic Emission Characteristics of Mode I Delamination in Glass/Polyester Composites", Journal of Composite Materials, 2010 Apr vol. 44, no. 0, , 2010.

124

REFAHI OSKOUEI AMIR ، AHMADI NAJAFABADI MEHDI, "Fracture Strength Distribution in E-Glass Fiber Using Acoustic Emission", Journal of Composite Materials, 2010 Mar vol. 44, no. 6, , 2010.

125

JALILI NIKROO ALI ، AKHLAGHI MEHDI ، AHMADI NAJAFABADI MEHDI, "Simulation and analysis of flow in the injection chamber of die casting machine during the slow shot phase", International Journal of Advanced Manufacturing Technology, 2009 Mar vol. 42, no. 2, , 2009.

126

AYATOLLAHY MOJTABA ، FARIBORZ SHAHRIAR ، AHMADI NAJAFABADI MEHDI, "Anti-plane elastodynamic analysis of planes with multiple defects", Applied Mathematical Modelling, 2009 Feb vol. 33, no. 2, , 2009.

127

HASANZADEH PAK REZAEI REZA ، Ali M. Reza ، SADEGHI S.H.H. ، REZAEI AMIR HOSSEIN ، AHMADI NAJAFABADI MEHDI, "Optimal signal-adaptive maximum likelihood filter for enhancement of defects in eddy current C-scan images", Ndt and E International, 2008 Jul vol. 41, no. 5, pp.371-381, 2008.

128

HASANZADEH PAK REZAEI REZA ، SADEGHI S.H.H. ، REZAEI AMIR HOSSEIN ، Moghaddamjoo Alireza ، AHMADI NAJAFABADI MEHDI, "Noise Suppression in Eddy Current C-Scan Images Using a Non-linear Adaptive Maximum Likelihood Filter", Amirkabir International Journal of Electrical and Electronics Engineering, 2008 Jun vol. 19, no. 68, pp.55-62, 2008.

129

HASANZADEH PAK REZAEI REZA ، REZAEI AMIR HOSSEIN ، SADEGHI S.H.H. ، MORADI MOHAMMAD HASSAN ، AHMADI NAJAFABADI MEHDI, "A density -based fuzzy clustering technique for non-destructive detection of defect in materials", Ndt and E International, 2007 Jun vol. 40, no. 4, , 2007.

130

AHMADI NAJAFABADI MEHDI, "Decarburization of lron Melt by an Immersed Al2O3-Fe2O3 PorousTube", Isij International, 1998 Jan vol. 37, no. 1, , 1998.

131

AHMADI NAJAFABADI MEHDI, "Deoxidation of lron Melt with Immersed MgO-C Porous Tube", Isij International, 1996 Nov vol. 36, no. 11, , 1996.

132

AHMADI NAJAFABADI MEHDI, "Simultaneous Decarburization and Denitrogenization of Molten lron with Vacuum Suction Degassing Method", Isij International, 1996 Oct vol. 36, no. 10, , 1996.

Conference Papers

ATAEE ALI ، AHMADI NAJAFABADI MEHDI ، KACHOYAN HAMID, "Feasibility study on the generation and omnidirectional propagation of Rayleigh waves using a conical wedge for detecting surface discontinuities in aluminum sheets.,", 18th International Conference on Mechanical, Construction Industrial & Civil Engineering, May 2025.

Javad Sharifi Ghaderi ، AHMADI NAJAFABADI MEHDI, "Determining the characteristics of acoustic emission in the fatigue crack growth of aluminum alloy 2025 for online structural monitoring,", 19th International Conference of Iranian Aerospace Society, AERO2021, May 2021.

KHODAEI ARASH ، ALIMIRZAEIFARADONBEH SAJAD ، NOZARIJOUYBARI ZAHRA ، AHMADI NAJAFABADI MEHDI, "Investigation of Bending Strength of Composite pipe specimens Made by Wire Winding Process,", 28th Annual International Conference of Iranian Society of Mechanical Engineering, ISME 2020, May 2020.

KHODAEI ARASH ، ALIMIRZAEIFARADONBEH SAJAD ، NOZARIJOUYBARI ZAHRA ، AHMADI NAJAFABADI MEHDI, "Study of bending strength of glass/epoxy composite specimens produced by filament winding technique,", 28th Annual international conference of Iranian society of mechanical engineering, ISME 2020, May 2020.

MORAKABI ESFAHANI NAZANIN ، AHMADI NAJAFABADI MEHDI, "Second and higher order acoustoelastic constants measurement of bolts by applying tensile load and using ultrasonic testing method,", The 4th international and 15th national conference on manufacturing engineeing, Oct 2018.

MORAKABI ESFAHANI NAZANIN ، AHMADI NAJAFABADI MEHDI ، BIGLARI DR. FARID REZA, "Stress analysis in hot rolling process using finite element method,", 3rd International Conference on Mechanical and Aerospace Engineering, May 2018.

MORAKABI ESFAHANI NAZANIN ، AHMADI NAJAFABADI MEHDI ، BIGLARI DR. FARID REZA, "Finite element modelling of stress analysis in hot rolling process,", 3rd international conference on mechanical and aerospace engineering, May 2018.

AKBARI SHAHKHOSRAVI NAEIM ، AHMADI NAJAFABADI MEHDI ، Hossein Heydari, "An investigation of carbon nanotubes effect on drilled-induced delamination and fatigue-life of GFRP composites using acoustic emission,", The 26th Annual International Conference of Iranian Society of Mechanical Engineers-ISME2018, Apr 2018.

MOHAMMADI REZA ، SAEEDIFAR MILAD ، AHMADI NAJAFABADI MEHDI ، HOSSEINI TOUDESHKY HOSSEIN, "Damage detection in multi-layer composites using acoustic emission technique,", ISME2017- 1864-ISME, May 2017.

SAEEDIFAR MILAD ، MOHAMMADI REZA ، AHMADI NAJAFABADI MEHDI ، HOSSEINI TOUDESHKY HOSSEIN, "Crack growth rate prediction in multi layer composites using acoustic emission,", ISME2017- 1864-ISME, May 2017.

MOHAMMADI REZA ، Hamid Fotouhi ، SAEEDIFAR MILAD ، AHMADI NAJAFABADI MEHDI, "Determination of damage mechanisms in glass/epoxy composites using acoustic emission technique,", 3rd international conference on the latest achievements of science and technology, Jan 2017.

MAHDIAN AHI SEYED ALI ، YOUSEFI JALAL ، Navid Zarif Karimi ، AHMADI NAJAFABADI MEHDI ، Giangiacomo Minak, "Damage extension characterization of low velocity impact composite plate using acoustic emission,", 2ND INTERNATIONAL CONFERENCE ON MECHANICS OF COMPOSITES, PORTO, PORTUGAL, 11-14 JULY 2016, Jul 2016.

SAEEDIFAR MILAD ، Mohamad Fotouhi ، Navid Zarif Karimi ، AHMADI NAJAFABADI MEHDI ، HOSSEINI TOUDESHKY HOSSEIN ، Giangiacomo Minak, "Prediction of delamination growth in glass/epoxy composites using acoustic emission,", 2nd International Conference on Mechanics of Composites, Jul 2016.

YOUSEFI JALAL ، MAHDIAN AHI SEYED ALI ، Navid Zarif Karimi ، AHMADI NAJAFABADI MEHDI ، Giangiakomo Minak, "Damage analysis for low velocity impacted composite laminates using acoustic emission technique,", 15th youth symposium on experimental solid mechanics, Jun 2016.

SADEGHI SEYEDALI ، FOTOUHI MOHAMAD ، Navid Zarif Karimi ، AHMADI NAJAFABADI MEHDI ، Giangiacomo Minak, "Residual stress evaluation in friction stir welding of aluminum plates by means of acoustic emission and ultrasonic wave,", 15th youth symposium on experimental solid mechanics, Jun 2016.

Leila Ghanbary ، FARAJPOUR MEHDI ، AHMADI NAJAFABADI MEHDI ، Saughar Jarchi, "Low cost usb-based RF power meter for 50MHz-9GHz frequency band,", The international conference on new research in engineering sciences, Mar 2016.

Foad Mavisat ، AHMADI NAJAFABADI MEHDI ، Jahan Taghizadeh, "Evaluation signal leakage of Acoustic Emission from the pipes in the Hydro test using FFT and wavelets,", 6th Iranian pipe & pipeline conference, Jun 2015.

Foad Mavisat ، AHMADI NAJAFABADI MEHDI ، Jahan Taghizadeh, "Evaluation signal leakage of Acoustic Emission from the pipes in the Hydro test using Discrete frequency and wavelets,", 6th Iranian pipe & pipeline conference, Jun 2015.

ZARIF KARIMI NAVID ، FOTOUHI MOHAMAD ، SAEEDIFAR MILAD ، Giangiacomo Minak ، AHMADI NAJAFABADI MEHDI, "Inter-laminar fracture toughness measurement of the mixed-mode delamination using acoustic emission technique,", 18th international conference on compositesstructures, Jun 2015.

SAEEDIFAR MILAD ، AHMADI NAJAFABADI MEHDI ، HOSSEINI TOUDESHKY HOSSEIN ، MOHAMMADI REZA, "Investigation of delamination in glass/epoxy composites using acoustic emission and visual inspection,", 23rd Annual International Mechanical Engineers conference, May 2015.

MOHAMMADI REZA ، SAEEDIFAR MILAD ، AHMADI NAJAFABADI MEHDI ، HOSSEINI TOUDESHKY HOSSEIN, "determination of interlaminar fracture toughness of carbon/epoxy composites using acoustic emission,", 23rd Annual International Mechanical Engineers conference, May 2015.

Amir Hossein Roshan ، Jamal Teymurnejad ، AHMADI NAJAFABADI MEHDI, "Study on the hardenabulity of welding zone of Al-2024 alloy and Al-7075 by selecting proper stirr welding process parameters,", 3rd national conference on mechanical systems and industrial innovation, Feb 2015.

ESMAEELI KARATI JABER ، AHMADI NAJAFABADI MEHDI, "Study of delamination in composite materials under mode I loading using acoustic emission method,", ISAV 2014, Dec 2014.

SHOJAEISHAHMIRZADI POUYA ، MAHDIAN AHI SEYED ALI ، AHMADI NAJAFABADI MEHDI, "Determination of acoustoelastic coefficient for A0 mode lamb wave in stainless steel plate 403L using acoustic emission method,", ISAV 2014, Dec 2014.

FOTOUHI MOHAMAD ، Kia Hosseini ، Mohammadreza Miri Shallou ، AHMADI NAJAFABADI MEHDI, "Study of delamination damage in composites laminates using Acoustic emission technique,", ISAV 2014, Dec 2014.

Hossein Barekatain ، Hamed Sabet ، AHMADI NAJAFABADI MEHDI, "Developing welding WC coated electrodes for surface hardening treatment (oxyacetylene welding) of low alloy steels used for drilling shafts,", First International conference on welding and nondestructive testing (ICWNDT2014), 14th National conference on welding & Inspection (14th NCWI) & 3rd National conference on NDT (NCNDT), Dec 2014.

Hossein Barekatain ، Hamed Sabet ، AHMADI NAJAFABADI MEHDI, "Developing welding WC coated electrodes for surface hardening treatment (oxyacetylene welding) of low alloy steels used for drilling shafts,", First international conference on welding and nondestructive testing (ICWNDT2014),14th National conference on welding(14th NCWI) & Inspection, 3rd National conference on NDT (3rd NCNDT), Feb 2014.

Mohsen Khetmat ، AHMADI NAJAFABADI MEHDI ، Hamid Rahimi Bafghi, "Acoustoelastic ceofficient measurement in the HAZ of aluminum plate weld joint using different ultrasonic wave frequencies,", The first national conference on mechanical engineering of Iran, Feb 2014.

AHMADI NAJAFABADI MEHDI, "Nondestructive measurement of residual stress caused in pipe girth weld,", 5th Iranian Pipe & Pipeline Conference, Dec 2013.

Peyman Azari Dehkordi ، AHMADI NAJAFABADI MEHDI, "Fatigue crack growth detection in steel structures under high pressure by using acoustic emission method,", 5th Iranian Pipe & Pipeline Conference, Dec 2013.

MAHDIAN AHI SEYED ALI ، FOTOUHI MOHAMAD ، AHMADI NAJAFABADI MEHDI, "Study of the damage in laminated composite caused by impact using acoustic emission method,", ISAV2013, Dec 2013.

، AHMADI NAJAFABADI MEHDI ، SATTARI FAR IRAJ, "Residual stress measurement in aluminum plate joint weld by ultrasonic method,", National Symposium on Mechanical Engineering NCME 2013, Mar 2013.

Rasool Bashe Ahangar ، AHMADI NAJAFABADI MEHDI ، RAHIMI ABDOLREZA, "Experimental study on the effect of erosive metallic particles on the sliding bearings by acoustic emission technique,", NCME 2013, Mar 2013.

FOTOUHI MOHAMAD ، TEYMURI SINDI CEVAT ، AHMADI NAJAFABADI MEHDI, "Determination of metallic materials toughness using acoustic emission monitoring technique,", Irans third international conference on industrial automation, Jan 2013.

TEYMURI SINDI CEVAT ، SeyedAli Ebrahimian ، Vahid Fartashvand ، AHMADI NAJAFABADI MEHDI, "Health Monitoring of CNG Tank Type I using Acoustic Emission,", Fifth International CNG Conference; Related Industries and Equipment Exhibition, Dec 2012.

TEYMURI SINDI CEVAT ، Seyyed Ali Ebrahimian ، FARTASHVAND VAHID ، AHMADI NAJAFABADI MEHDI, "Acoustic Emission Monitoring of CNG Vessel type I,", Fifth International CNG Conference: Related industries and Equipment Exhibition, Dec 2012.

FOTOUHI MOHAMAD ، YOUSEFI JALAL ، AHMADI NAJAFABADI MEHDI ، Hamid Fotouhi, "Monitoring the initiation and growth of delamination in composite materials using Acoustic Emission,", The 3rd International Conference on Composites:Characterization, Fabrication and Application (CCFA-3)December 18-19, 2012, Tehran, Iran, Dec 2012.

HEIDARY KALAHROODI HOSSEIN ، ZARIF KARIMI NAVID ، AHMADI NAJAFABADI MEHDI ، RAHIMI ABDOLREZA, "Monitoring of chisel edge effect in drilling of composite materials by acoustic emission,", ICMEAT2012-1101, Oct 2012.

HEIDARY KALAHROODI HOSSEIN ، ZARIF KARIMI NAVID ، AHMADI NAJAFABADI MEHDI ، Giangiacomo Minak ، Andrea Zucchelli, "Time-Frequency analyzing of acoustic emission signals in drilling of glass/epoxy composites,", The ASME 2012 11th Biennial Conference On Engineering Systems Design And AnalysisESDA2012, Jul 2012.

ZARIF KARIMI NAVID ، HEIDARY KALAHROODI HOSSEIN ، AHMADI NAJAFABADI MEHDI ، KIANFAR PARNIAN ، Giangiacomo.minak ، Andrea Zucchelli, "Online Monitoring of Drilling-Induced Delamination of Composite Materials by Acoustic Emission,", The ASME 2012 11th Biennial Conference On Engineering Systems Design And AnalysisESDA2012, Jul 2012.

JAVADI YASHAR ، HADIZADEH RAEISI MOHAMMADREZA ، SALIMI PIR ZMAN HAMED ، AHMADI NAJAFABADI MEHDI, "Using welding simulation and ultrasonic method to evaluate residual stress in stainless steel welded plates,", The ASME 2012 11th Biennial Conference On Engineering Systems Design And AnalysisESDA2012, Jul 2012.

FOTOUHI MOHAMAD ، Sakineh Fotouhi ، BELALPOUR DASTJERDI PARINAZ ، AHMADI NAJAFABADI MEHDI, "Damage characterization of laminated composites under quasi-static 3-point bending test using power spectrum analysis,", 6th Condition Monitoring and Fault Diagnosis Conference (CMFD2012), Feb 2012.

FOTOUHI MOHAMAD ، BELALPOUR DASTJERDI PARINAZ ، Sakineh Fotouhi ، AHMADI NAJAFABADI MEHDI, "Monitoring of initiation and growth of delamination in composite materials using acoustic emission and energy function,", 6th Condition Monitoring and Fault Diagnosis Conference (CMFD2012), Feb 2012.

AHMADI NAJAFABADI MEHDI ، ، TEYMURI SINDI CEVAT, "Investigation of head pressure loss caused by friction and other effective parameters on leak flow by acoustic emission method,", ICME 2011, Dec 2011.

Saeed Khorasanizadeh ، AHMADI NAJAFABADI MEHDI, "Effect of double blasting of abrasive particles in shot and grit blasting treatment of steel pipes surface on adhesion of epoxy coating,", 3rd International Conference on Manufacturing Engineering, ICME201, Dec 2011.

، FOTOUHI MOHAMAD ، ، AHMADI NAJAFABADI MEHDI, "Online monitoring of glass/polyester composites during mode I delamination test using acoustic emission method,", 3rd International conference on manufacturing engineering, Dec 2011.

، ZEINALI MOHAMMAD HOSEIN ، FOTOUHI MOHAMAD ، AHMADI NAJAFABADI MEHDI, "Study of effect of micro-structure on developing of residual stresses formed during welding of carbon steels,", ICME 2011, Dec 2011.

FOTOUHI MOHAMAD ، ، AHMADI NAJAFABADI MEHDI, "Monitoring of initiation and growth of delamination using acoustic emission and energy function,", ICME 2011, Dec 2011.

JAMIOLAHMADI SAEED ، ، AHMADI NAJAFABADI MEHDI ،, "Study of acoustic emission signals produced during three points bending test on composite workpieces by wavelet analysis,", 3rd International Conference on Manufacturing Engineering, ICME201, Dec 2011.

TAGHIZADEH JAHAN ، AHMADI NAJAFABADI MEHDI, "Study of acoustical behavior differences between glass/epoxy and polypropylene/epoxy composites in tensile loading,", 3rd International Conference on Manufacturing Engineering, ICME201, Dec 2011.

، ، AHMADI NAJAFABADI MEHDI, "Interlaminar fracture energy of glass/epoxy composite laminate under modeII delamination using centry function,", 3rd International and 12th National Conference on Manufacturing Engineering (ICME), Dec 2011.

FOTOUHI MOHAMAD ، ، ، AHMADI NAJAFABADI MEHDI, "Detection of damage mechanisms in delamination of composite materials using wavelet analysis,", ICME 2011, Dec 2011.

، ، AHMADI NAJAFABADI MEHDI, "Temper bead technique to avoid the use of post weld heat treatment,", International Congress on Advances in Welding Science and Technology for Construction, Energy and Transportation systems (AWST-2011), Oct 2011.

GHALEHBANDI S.MAHMOOD ، AZARI KHALED ، ALIZADEH VAGHASLOO YOUNES ، AHMADI NAJAFABADI MEHDI, "Effects of post-weld heat-treatment on residual stresses of ferritic stainless steel welded components,", International Congress on Advances in Welding Science and Technology for Construction, Energy and Transportation Systems, Oct 2011.

TEYMURI SINDI CEVAT ، AHMADI NAJAFABADI MEHDI ، ZAHEDI DIZAJ YEKAN ALI, "Effect of double austenitization treatment on the properties of AISI D2 cold work tool steel,", 14th international conference on advances in materials& processing technologies, Jul 2011.

ZARIF KARIMI NAVID ، HEIDARY KALAHROODI HOSSEIN ، AHMADI NAJAFABADI MEHDI, "Residual strength monitoring of drilled composite materials by acoustic emission signals,", 14th international conference on advances in materials& processing technologies, Jul 2011.

TEYMURI SINDI CEVAT ، AHMADI NAJAFABADI MEHDI, "Mechanism identification of AE generation in friction processes,", 14th international conference on advances in materials& processing technologies, Jul 2011.

، ، AHMADI NAJAFABADI MEHDI, "Investigation of acoustic emission signals related to different damage mechanisms in glass/epoxy composite material using mode II delamination,", 14th international conference on advances in materials& processing technologies, Jul 2011.

، REFAHI OSKOUEI AMIR ، HAJIKHANI MILAD ، AHMADI NAJAFABADI MEHDI ، ، OMIDVAR HAMID ، Amir Sharifi, "progressive damage assessment in sandwich panels under central loading and determination of residual life by non-destructive acoustic emission method,", 1st National Congress Aging Aircraft, Jul 2011.

، AHMADI NAJAFABADI MEHDI ، ، HAJIKHANI MILAD ، OMIDVAR HAMID ، Amir Sharifi, "Study of damage occurred in multi-laminate of glass/epoxy composite using non-destructive acoustic emission method,", 1st National Congress Aging Aircraft, Jul 2011.

Seyed Ali Ebrahimian ، AHMADI NAJAFABADI MEHDI ، TEYMURI SINDI CEVAT, "Investigation of acoustic emission behavior of AISI 4130 stainless steel welded by different pass sequences,", 14th international conference on advances in materials& processing technologies, Jul 2011.

HOSSEINI SADEGH ، AHMADI NAJAFABADI MEHDI ، AKHLAGHI MEHDI, "Study leak in valve of combustion engines by acoustic emission technique,", 14th international conference on advances in materials & processing technologies, Jul 2011.

، ، AHMADI NAJAFABADI MEHDI, "Clustering of the Acoustic Emission signals Related to Different Damage Mechanisms in Glass/Epoxy Composite Material under Three Points Bending,", 1st National Conference on NDT, May 2011.

، ، ، AHMADI NAJAFABADI MEHDI, "Analyzing of AE signals produced during 3-points bending test of composite materials using different neural network algorithms,", 19th Annual Conference on Mechanical Engineering (ISME), May 2011.

saeed Khorasanizadeh ، AHMADI NAJAFABADI MEHDI, "The effect of abrasive particle size in shot & grit blasting process on steel pipes epoxy coating adhesion,", 3rd Iranian pipe & pipeline conference, May 2011.

AHMADI NAJAFABADI MEHDI, "Corrosion wear of internal wall in the oil and gas pipelines,", 3rd Iranian pipe & pipeline conference, May 2011.

HOSSEINI SADEGH ، ، ، AHMADI NAJAFABADI MEHDI, "Leak detection methods in transmission pipelines with NDT acoustic emission,", 3rd Iranian pipe & pipeline conference, May 2011.

Hamid Reza Mardani ، ، AHMADI NAJAFABADI MEHDI, "Investigation of damage mechanisms in aluminum blade of the gas turbine air compressor,", 1st National seminar on surface engineering and heat treatment, Mar 2011.

Zaman Saeidi Nia ، AHMADI NAJAFABADI MEHDI ، Dariyush Jawabvar, "The Study of Residual Stress in Welded Specimens of Aluminium Alloy by Using Acoustic Emission Method,", 2011 International Conference on Mechanical and Aerospace Engineering (CMAE 2011), Mar 2011.

، HEIDARY KALAHROODI HOSSEIN ، AHMADI NAJAFABADI MEHDI ،, "monitoring of delamination in drilling operation by acoustic emission,", irans second international conference on industrial automation, Feb 2011.

Zaman Saeidinia ، AHMADI NAJAFABADI MEHDI ، Dariush Javabvar ، Amir Hooshmanpur, "Study on Residual Stress in Al Weld using Acoustic Emission,", National conference on Introducing New Technologies in Mechanical Engineering, Feb 2011.

Hamid Reza Mardani ، ، AHMADI NAJAFABADI MEHDI, "Investigation of damage mechanisms in aluminum blade of the gas turbine air compressor,", National conference on Introducing New Technologies in Mechanical Engineering, Feb 2011.

، ، HEIDARY KALAHROODI HOSSEIN ، AHMADI NAJAFABADI MEHDI, "Composite materials damage characterization under quasi-static 3-point bending test using Fuzzy C-Means Clustering,", 2nd International Conference on Mechanical, Industrial, and Manufacturing TechnologiesMIMT 2011, Feb 2011.

، ، HAJIKHANI MILAD ، AHMADI NAJAFABADI MEHDI, "The Study of Mode II Delamination on Glass/Epoxy Composite Materials by Acoustic Emission,", The 2nd International Conference on Composites:Characterization, Fabrication and Application (CCFA-2), Dec 2010.

، HEIDARY KALAHROODI HOSSEIN ، AHMADI NAJAFABADI MEHDI ،, "Wavelet-based Acoustic Emission monitoring of composite materials damage under quasi-static 3-point bending test,", The 2nd International Conference on Composites:Characterization, Fabrication and Application (CCFA-2), Dec 2010.

AHMADI NAJAFABADI MEHDI ، TEYMURI SHANDI JAVAD, "Acoustic Emission and Fracture Characterisitcs of AISI D2 Tool Steel Tempered at Different Temperature,", 10th Biennial Conference on Engineering Systems Design and Analysis ESDA2010ASME2010, Jul 2010.

HAJIKHANI MILAD ، AHMADI NAJAFABADI MEHDI ، REFAHI OSKOUEI AMIR, "ACOUSTIC EMISSION ASSESSMENT OF FRP COMPOSITES DELAMINATION,", ASME 2010 10th Biennial conference on Engineering System Design and Analysis, Jul 2010.

HEIDARI KALHROODI HOSSEIN ، REFAHI OSKOUEI AMIR ، HAJIKHANI MILAD ، AHMADI NAJAFABADI MEHDI, "Acoustic Emission Signal Analysis by Wavelet Method to Investigate Damage Mechanisms during Drilling of Composite Materials,", ASME 2010 10th Biennial conference on Engineering System Design and Analysis, Jul 2010.

HAJIKHANI MILAD ، REFAHI OSKOUEI AMIR ، AHMADI NAJAFABADI MEHDI, "Progressive Fracture Evaluation in Composite Materials by Acoustic Emission Technique,", Sixth International Conference onMATERIALS STRUCTURE & MICROMECHANICS OF FRACTURE, Jun 2010.

REFAHI OSKOUEI AMIR ، HAJIKHANI MILAD ، AHMADI NAJAFABADI MEHDI, "Damage Progression and Residual Strength Evaluation in Sandwich Panels Loaded at the Center,", Sixth International Conference onMATERIALS STRUCTURE & MICROMECHANICS OF FRACTURE, Jun 2010.

HAJIKHANI MILAD ، REFAHI OSKOUEI AMIR ، AHMADI NAJAFABADI MEHDI, "Influence of mid-plane layout in mode I delamination of glass/polyester composites by acoustic emission monitoring,", INTERNATIONAL CONGRESS ON ULTRASONICS - ICU 2009, Jan 2010.

RAHIMI ABDOLREZA ، AHMADI NAJAFABADI MEHDI ، Amirali Naghizadeh, "Change in orientation of tool and workpiece in 5-spindle CNC milling machine,", 2nd Conference in the Manufacturing Engineering (NMEC2009), Oct 2009.

Gholamreza Davoudi ، RAHIMI ABDOLREZA ، AHMADI NAJAFABADI MEHDI, "Investigation of tool wear estimation methods in turning process,", 2nd Conference in the Manufacturing Engineering (NMEC2009), Oct 2009.

Gholamreza Davoudi ، RAHIMI ABDOLREZA ، AHMADI NAJAFABADI MEHDI, "Modeling of carbide tool wear with regression in turninig,", 2nd Conference in the Manufacturing Engineering (NMEC2009), Oct 2009.

Yasser Moghani Gharemanloei ، Sirous Aghanajafi ، AHMADI NAJAFABADI MEHDI, "study of relation between stress relieving heat treatment and stress loss of spring under the influence of static loads,", 2nd Conference in the Manufacturing Engineering (NMEC2009), Oct 2009.

Yasser Moghani Gharenanloei ، AHMADI NAJAFABADI MEHDI ، sirous Aghanajafi, "Study of cyclic loading on reduction of free length of heat treated austenite springs,", 2nd Conference in the Manufacturing Engineering (NMEC2009), Oct 2009.

Mohammadreza Mehrkusha ، AHMADI NAJAFABADI MEHDI ، Amirhosein Rahmani, "Application of nondestructive testing method (AE) for detection of valve leak in internal combustion engins,", 2nd Conference in the Manufacturing Engineering (NMEC2009), Oct 2009.

Gholamreza Davoudi ، RAHIMI ABDOLREZA ، AHMADI NAJAFABADI MEHDI, "Predictive modeling surface roughness of workpiece with regression in turning,", 2nd Conference in the Manufacturing Engineering (NMEC2009), Oct 2009.

REFAHI OSKOUEI AMIR ، AHMADI NAJAFABADI MEHDI, "Using an integrated acoustical and mechanical method to evaluate fracture toughness at mode I delamination in composite materials,", Ninth international seminar on Experimental techniques and design in composite materials, Sep 2009.

AKBARI MEYSAM ، AHMADI NAJAFABADI MEHDI, "The application of acoustic emission technique to plastic deformation of low carbon steel,", INTERNATIONAL CONGRESS ON ULTRASONICS - ICU 2009, Apr 2009.

RAHIMI ABDOLREZA ، AHMADI NAJAFABADI MEHDI ، Farhad Najarian ، Rouzbeh Alipur, "Analytical and experimental investigations of tool flank wear in steel turning,", icme2009, Mar 2009.

KHAMEDI RAMIN ، FALLAHI AREZODAR ALIREZA ، REFAHI OSKOUEI AMIR ، AHMADI NAJAFABADI MEHDI, "Wavelet based of Acoustic Emission Signals Processing for Damage Detection in Dual-Phase Steels,", International Congress on Ultrasonics - ICU 2009, Jan 2009.

AKBARI MEYSAM ، AHMADI NAJAFABADI MEHDI, "Experimental Study of Onset of Plastic Deformation in Low Carbon Steel using Acoustic Emission Technique,", 17th NATIONAL SYMPOSIUM ON ULTRASONICS, NSU-XVII, Dec 2008.

KHAMEDI RAMIN ، FALLAHI AREZODAR ALIREZA ، REFAHI OSKOUEI AMIR ، AHMADI NAJAFABADI MEHDI, "The Effect of Martensite Phase Volume Fraction of Dual-phase Steels on Acoustic Emission Signals Under Tensile Loading,", 17th NATIONAL SYMPOSIUM ON ULTRASONICS, NSU-XVII, Dec 2008.

BATENI ALI ، AHMADI NAJAFABADI MEHDI ، Parvin Nader, "Prediction of density in porous materials by x-ray techniques,", 17th World Conference on Nondestructive Testing, Oct 2008.

BATENI ALI ، AHMADI NAJAFABADI MEHDI ، Parvin Nader, "Determination of green density of PM compacts by in situ X-RAY radiography,", 5th International congress on powder metallurgy for automotive parts - PM AUTO 08, Apr 2008.

MAHMOODI MOHAMMAD JAVAD ، AHMADI NAJAFABADI MEHDI, "Introducing of Acoustic Emission Technique for Leak Detection in Vessels in Power Industeries,", 22nd International Power System conference, Nov 2007.

KERMANI S.ABOUTALEB ، AHMADI NAJAFABADI MEHDI ، Nasser Rastkhah ، Amir Movafeghi, "Sizing of the surface opening cracks by diffraction of ultrasonic waves at cracks end using contact and immersion techniques,", 1st International Conference on Technical Inspection and NDT, Oct 2007.

HEIDARI KALHROODI HOSSEIN ، REFAHI OSKOUEI AMIR ، AHMADI NAJAFABADI MEHDI, "Mechanism of detection of stress corrosion cracking during static U- bend tests on 304 stainless steel by signal processing of acoustic emission,", 3thNDT & Corrosion management Asia Conference, Sep 2007.

100

AKHSHIK SIAMAK ، MOHARRAMI RASOUL ، AHMADI NAJAFABADI MEHDI, "The use of ultrasonic for determination of third-order elastic constants,", International conference on ultrasonics, Apr 2007.

101

REFAHI OSKOUEI AMIR ، ANSARI VAHID ، AHMADI NAJAFABADI MEHDI, "Analyzing of AE Signals by Wavelet to Investigation of Damage Mechanisms in Composite Materials,", International conference on ultrasonics, Apr 2007.

102

AKHSHIK SIAMAK ، AHMADI NAJAFABADI MEHDI, "Ultrasonic non-destructive evaluation of stress around the tip of a crack,", DEFECTOSCOPY 2006, Nov 2006.

103

SABER SEYED MOHAMMADNASER ، AKHSHIK SIAMAK ، AHMADI NAJAFABADI MEHDI, "Experimental and analytical study of AE waves in steel plate,", The 45th Annual British Conference on NDT, Sep 2006.

104

AKHSHIK SIAMAK ، SABER SEYED MOHAMMADNASER ، AHMADI NAJAFABADI MEHDI, "Non-destructive evaluation of stress around the tip of crack,", The 45th Annual British Conference on NDT, Sep 2006.

105

GHADAMI BADRLOU SIYAMAK ، AHMADI NAJAFABADI MEHDI, "Study of machining parameters on acoustic emission signal,", 14th Annual Conference of Mechanical Engineering, May 2006.

106

POUYAFAR VAHID ، AHMADI NAJAFABADI MEHDI, "Study on the reasons of debonding of Al2O3 films in heat resistant alloys at high temperature under oxidation atmosphere,", 7th National seminar on surface engineering and heat treatment, May 2006.

107

AHMADI NAJAFABADI MEHDI, "Deoxidation of iron melt with MgO-C mixture,", Current advances in materials and processes, Mar 1996.

108

AHMADI NAJAFABADI MEHDI, "Rate of deoxidation of liquid iron by MgO-C porous tube,", Current advances in materials and processes, Nov 1995.

Taught Courses

Course title

Description

Headlines

Date

Special Topics (Surface Engineering)

4051

Principles of Metal Casting

4051

Advanced Non Destructive Testing

4042

Non-Destructive Testing

در این درس، روش ها و کاربردهای آزمایش های غیرمخرب (NDT) مورد استفاده در تولید و تضمین کیفیت معرفی می گردد. تأکید این درس بر اصول فیزیکی، قابل

4042

Special Topics (Surface Engineering)

4041

Advanced Non Destructive Testing

4041

Advanced Heat Treatment

4041

Principles of Metal Casting

4041

Science of Materials

4041

Advanced Non Destructive Testing

4032

Non-Destructive Testing

4032

Ultrasonic Flaw Detection & Lab

4032

Inventions/Patents

Invention title

Reg. number

Country

contributers

Reg. date

Exp. date

Direct density measurement of of porous powder metallurgy compacts by radio-graphic method

59020

Using ultrasonic technique in a automated mechanism for measuring residual stress in oil and gas pipelines

84320

2034/01/1