مهدی احمدی نجف آبادی - دانشگاه صنعتی امیرکبیر

خدمات ویژه: هیئت علمی دانشجویان دانش آموختگان کارکنان

مطالب پایگاه

اعضای هیات علمی

اینترنت

پست الکترونیک

اتوماسیون اداری و مکاتبات

پورتال آموزشی و پژوهشی

سامانه آموزش الکترونیک

مدیریت یادگیری - دروس حضوری

سامانه ارتقای اساتید(اوج)

سامانه جامع نظام پیشنهادها

سامانه یکپارچه کتابخانه‌ها

سامانه مدیریت یکپارچه آموزش کارکنان

دانشگاه صنعتی امیرکبیر

سامانه رزومه

مهدی احمدی نجف آبادی

استاد
دانشکده مهندسی مکانیک
گروه آموزشی ساخت و تولید

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رساله‌های دکتری

عنوان پایان‌نامه

توسط

تاریخ دفاع

بررسی عددی و تجربی مودهای خرابی در یک سازه استوانه ای کامپوزیتی تحت پیچش با استفاده از روش نشر آوایی

مهدی فرج پور

تیر 1403

پایش برخط بروز جدالایه گی در سوراخکاری کامپوزیت های چند لایه به روش نشرآوایی

مهرداد نظم دارشهری

مهر 1401

شناسایی رفتار مکانیکی لوله های کامپوزیتی تحت بار استاتیکی محوری فشاری با استفاده از روش نشر آوایی

سجاد علی میرزائی فرادنبه

مهر 1401

بررسی تاثیر نانو الیاف در چند لایه های کامپوزیتی بر خرابی ناشی از بارگذاری خستگی مودهای I و II به روش نشر آوایی و المان محدود

رضا محمدی

مرداد 1399

تحلیل تجربی و عددی خرابی پیشرونده در چند لایههای کامپوزیتی تحت بارگذاری نفوذ شبه استاتیکی و ضربه سرعت پایین با روش نشر آوایی و المان محدود

میلاد سعیدی فر

مهر 1397

تحلیل خرابی در بارگذاری نوسانی مد II در کامپوزیت های پلیمری با استفاده از آزمون غیر مخرب نشر آوایی

جلال یوسفی

اسفند 1396

پایش وضعیت لایه روغن یاتاقنهای لغزشی هیدرودینامیکی در دور پایین با استفاده از روش پخش آوایی

صادق حسینی

شهریور 1395

بررسی جدایش لایه ای کامپوزیتهای شیشه / اپوکسی در مورد ترکیبی II،I با استفاده از روش پخش آوایی(آگوستیک امیشن)

محمد فتوحی

دی 1394

بررسی اثرات پیش بار و تنش های پسماند بر شکست ترد با استفاده از رویکردهای موضعی به شکست

حسام الدین مشیدی و ایرج ستاری فر

آبان 1394

بررسی مکانیزم های اسیب ناشی از اصطکاک با استفاده از روش پخش آوائی با هدف به کارگیری آن در فرایند کشش عمیق ورق فلزی

جواد تیموری شندی

بهمن 1392

تحلیل و ارزیابی تنش پسماند در جهت ضخامت در یک اتصال جوشی فولاد زنگ نزن آستنینی به روش آلتراسونیک

یاشار جوادی

اسفند 1391

تحلیل و تعیین تاثیر پارامترهای عملیات سوراخکاری برای جدایش لایه ای کامپوزیت های شیشه اپوکسی چند لایه با بکارگیری روش آکوستیک امیشن

حسین حیدری کلهرودی

بهمن 1391

مطالعه مودهای آسب با استفاده از روش پخش اوایی در کامپوزیت پلی پروپلین / اپوکسی

جهان تقی زاده

تیر 1390

بررسی مد خرابی جدایش لایه ای در نمونه های کامپوزیتی شیشه / پلی استر با استفاده از روش پخش آوایی (آکوستیک امیشن)

امیر رفاهی اسکوئی

تیر 1389

تحلیل تنش پادصفحه ای در صفحه تضعیف شده توسط ترک و حفره تحت بار هارمونیک

مجتبی آیت الهی

بهمن 1386

پایان‌نامه‌های کارشناسی ارشد

عنوان پایان‌نامه

توسط

تاریخ دفاع

اندازه گیری ضرایب مرتبه سوم الاستیک با استفاده به روش انتشار موج التراسونیک

محمدجواد مقصودی

مهر 1404

استفاده از آکوستیک امیشن به منظور تعیین شروع جوانه زنی ترک و ارزیابی تنش پسماند در اتصالات جوش سر به سر

پارسیا بوذری

شهریور 1404

تشخیص ناپیوستگی سطح در ورق آلومینیومی توسط کفشک مخروطی با استفاده از امواج رایلی

علی عطائی

مهر 1403

تعیین میزان آسیب ناشی از ضربه بر ورق کامپوزیت شیشه/اپوکسی با استفاده از تصاویر سی - اسکن آلتراسونیک

حمید کچویان

مهر 1403

تحلیل وابستگی شکل جبهه پیشروی ترک جدالایگی در کامپوزیت شیشه به بارگذاری خستگی خمشی

نهال برزگرباقری

شهریور 1403

بررسی تجربی و شبیه سازی المان محدود به منظور تعیین خواص خستگی خمشی در اتصال جوشی با روش نشر اکوستیک

یاشار بیک زاده

شهریور 1403

بررسی عددی و تجربی تاثیر نیروی کشش رشته بر لوله های کامپوزیتی تولید شده به روش رشته پیچی و بررسی مکانیزم خرابی این لوله ها تحت تاثیر بارگذاری جانبی شبه استاتیکی

علیرضا فدائی

تیر 1403

شبیه سازی المان محدود اتصال جوشی فولاد st37 به st52 جهت محاسبه مقادیر تنش پسماند و صحه سنجی به روش التراسونیک

مهدی میرصفری

بهمن 1402

اندازه گیری تنش پسماند در اتصال جوشی دو ورق فولادی با ترکیب کربن متفاوت با استفاده از روش التراسونیک

امیرحسین رسفیجانی

مرداد 1402

استفاده از آکوستیک امیشن برای بررسی رفتار خستگی خمشی نمونه آلومینیم دو سرگیردار تحت بار متناوب خمشی

علی باستانی لای

خرداد 1402

بررسی مکانیزم تخریب لوله های کامپوزیتی رشته پیچی شده تحت بارگذاری جانبی شبه استاتیکی

پارسا قهرمانی

دی 1401

بررسی و تحلیل خرابی در لوله های رشته پیچی شده توسط مدل های آسیب پیوسته و روش نشرآوایی تحت بارگذاری جانبی

امیر بنی محمدعلی

اسفند 1400

بررسی استحکام خستگی کامپوزیت های شیشه/اپوکسی تعمیر شده با تزریق رزین به کمک روش نشر فراصوتی

فراز حداد

اسفند 1400

بررسی بازیافت استحکام خستگی نمونه های کامپوزیتی شیشه/اپوکسی دارای شکست بین لایه ای بعد از تعمیر با استفاده از نشرفرآوایی

امیرمهدی محمدحسینی

اسفند 1400

بررسی کمانش کامپوزیت های لایه ای تعمیر شده با تزریق رزین به روش اکوستیک امیشن

اتابک پورداداش فردنام

شهریور 1400

بررسی تجربی جدایش بین لایه ای کامپوزیت های شیشه-اپوکسی سوراخکاری شده تحت بارگذاری مختلط کششی و خستگی خمشی با استفاده از آزمون غیرمخرب آکوستیک امیشن

امیرحسین بیگی

شهریور 1400

بررسی و مقایسه ی میزان جذب انرژی ویژه در لوله ی جدارنازک آلومینیومی و لوله ی جدار نازک آلومینیومی تقویت شده با کامپوزیت شیشه/اپوکسی تحت بار شبه استاتیک عرضی

احسان میرزائی

شهریور 1400

بهینه سازی طراحی پایه ایمپلنت های دندانی

رامین نیک نفس

شهریور 1399

بررسی تجربی و شبیه سازی المان محدود جذب انرژی و مطالعه مدهای خرابی در لوله های کامپوزیتی رشته پیچی شده با فیبر کربن با استفاده از روش نشر آکوستیک

زهرا نوذری جویباری

آذر 1398

بررسی تجربی و عددی تأثیر ساختار هندسی الیاف شیشه در لوله های کامپوزیتی تحت نیروی محوری شبه استاتیکی

آرش خدائی

آبان 1398

محاسبه و اندازه گیری تنش محیطی در فرآیند اتوفرتاژ به روش التراسونیک در نمونه آلومینیومی 1050

حامد صفی خانلو

شهریور 1398

بررسی خواص مکانیکی کامپوزیت های تقویت شده با نانو فایبرهای تولید شده به روش الکتروریسی

محمد احساندوست

تیر 1398

بررسی تاثیر ضرایب الاستیک مراتب بالا بر ثابت آکوستوالاستیک فلز تحت بار کششی

نازنین مرکبی اصفهانی

مهر 1397

افزایش مقاومت به سایش چدن سفید و تخمین عمر عملکرد آن در شرایط کاری واقعی با استفاده از مدلسازی تحلیلی کامپیوتری

حسنا ساعی فر

تیر 1397

کاربرد امواج طولی منکسر شده بحرانی برای اندازه گیری تنش های پسماند درلوله های اتو فریتاژ شده

مهدی اسکندری

بهمن 1396

بررسی عمر باقیمانده در قطعات کامپوزیتی با استفاده از تست غیر مخرب آکوستیک امیشن

مهدی حبیبی

بهمن 1396

کاربرد امواج صوتی برای اندازه گیری تنش پسماند و تنش خمشی در لوله های پلی اتیلنی انتقال گاز

خشایار خسرویان

بهمن 1396

بررسی صحت و سلامت نمونه های کامپوزیت پلیمری تحت عیب جدایش بین لایه ای با استفاده از امواج لمب

حمیدرضا بدخشیان

مهر 1396

بررسی اثر نانوالیاف نایلون در جدایش بین لایه ای کامپوزیت شیشه/ اپوکسی به روش آکوستیک امیشن

علی قلی زاده

مهر 1396

بررسی عددی و تجربی خرابی کامپوزیت های شیشه/ اپوکسی سوراخکاری شده تحت بارگذاری خستگی خمشی با استفاده از آزمون غیر مخرب اکوستیک امیشن

نعیم اکبری شاه خسروی

تیر 1396

بررسی پارامترهای موثر بر انتشار امواح آکوستیکی در کامپوزیتهای شیشه / اپوکسی

مصطفی شیردل

تیر 1396

بررسی مکانیزمهای خرابی خستگی وصله و ورق در ورق آلومینیومی ترک دار ترمیم شده با کامپیوزت های الیافی بوسیله روش آکوستیک امیشن

عبداله ملکی دیزج

بهمن 1395

بررسی خرابیهای ایجاد شده در کمانش چند لایه های کامپوزیتی با روش آکوستیک امیشن

انور سوخانی داریسفلی

بهمن 1395

اندازه گیری تنش پسماند در جوش مقاومتی سر به سربه روش آلتراسونیک

علی رضا فرجی الموتی

مهر 1395

سیدعلی حسینی کازرونی

بهمن 1394

مطالعه تنش پسماند در جوشکاری با فیلرهای LTT

کاوه عزیزپور و ایرج ستاری فر

مهر 1394

تعیین ضرایب آکوستوالاستیک در فلزجوش و HAZ در جوشکاری فولاد زنگ نزن آستنیتی

ایمان رحیمی

مهر 1394

تفکیک مکانیزم های خرابی ناشی از ضربه روی کامپوزیت چندلایه با استفاده از روش آکوستیک امیشن

سیدعلی مهدی یان اهی

مهر 1394

تعیین مکانیزم های خرابی در چند لایه های کامپوزیتی با استفاده از روش آکوستیک امیشن و شبیه سازی المان محدود

رضا محمدی

شهریور 1394

اندازه گیری تنش پسماند جوشی فولاد زنگ نزن آستنیتی توسط امواج التراسونیک LCR با حذف تقریب های استفاده شده پیشین در ضرایب آکوستوالاستیک

شایان نژادشمسی

شهریور 1394

بررسی مکانیزم های خرابی ورق آلومینیومی ترک دار ترمیم شده با کامپوزیت های الیافی بوسیله روش آکوستیک امیشن

میرمحمد موسوی نسب

شهریور 1394

بررسی جدایش بین لایه ای در چند لایه های فلز-کامپوزیت و ارزیابی آن با روش آکوستیک امیشن

جابر اسماعیلی کراتی

مهر 1393

مدلسازی تنش پسماند طولی در جوشکاری ورق از جنس فولاد زنگ نزن آستنیتی و ارزیابی آن با دو روش پراش پرتو ایکس و التراسونیک

محمد افتخاری

مهر 1393

بررسی تئوری به منظور تشخیص عیوب بین لایه ای در کامپوزیت های زمینه پلیمری با استفاده از بارگذاری خمش سه نقطه ای به کمک روش آکوستیک امیشن

برهان صادقی

مهر 1393

بررسی جدایش بین لایه ای در کامپوزیت های پلیمری تقویت شده با الیاف تحت بارگذاری نوسانی، با روش آکوستیک امیشن

میلاد سعیدی فر

شهریور 1393

بررسی تنش های پسماند جوشی با کمک امواج آلتراسونیک Lcr در فولاد زنگ نزن آستنیتی

محمود حسنی اورزمان

دی 1392

بررسی مکانیزم های خرابی در کامپوزیت های شیشه/ اپوکسی در مودهای ترکیبی I و II با استفاده از روش غیرمخرب اکوستیک امیشن

حمیدرضا فضایلی

دی 1392

تفکیک سیگنال های آکوستیک امیشن فرایند سوراخکاری و بار شبه استاتیکی(سوراخکاری پرسی)

نوید ظریف کریمی

مهر 1392

مدلسازی عددی برای تعیین تنشهای پسماند در یک اتصال جوشی butt welding و مقایسه آن با اندازه گیری به کمک روش التراسونیک

سیدعلی صادقی

مهر 1392

مطالعه خرابی کامپوزیت های شیشه/ پلی استر تحت بار گذاری مود II با استفاده از آنالیز سیگنال های حاصل از آزمون فراصوتی اکوستیک امیشن

پریناز بلال پور دستجردی

مهر 1392

مدلسازی المان محدود و تجربی شکست کامپوزیت شیشه/اپوکسی در هندسه های مختلف تحت بارگذاری خمشی

مهرداد نظم دارشهری

اسفند 1391

ارزیابی تنش در محدوده ی های متفاوت از عمق یک قطعه فولاد زنگ نزن استنیتی توسط امواج طولی منکسر شده ی بحرانی

امید افضلی ننیز

آبان 1391

توسعه وکاربرد روش آلتراسونیک جهت اندازه گیری تنشهای پسماند جوشی در یک اتصال لب به لب

محسن نیکخواه

مهر 1391

بررسی تئوری و تجربی خرابی چند لایه های کامپوزیتی بر اثر بار خمش سه نقطه ای و ارزیابی نتایج حاصله توسط آکوستیک امیشن

جلال یوسفی

مهر 1391

تحلیل المان محدود و اندازه گیری تنش پسماند به روش التراسونیک در منطقه HAZ یک اتصال جوشی

محسن خدمت

شهریور 1391

ارزیابی تنش های پسماند در نمونه های دارای اتصال جوشی از جنس فولاد زنگ نزن آستنیتی به کمک امواج lcr

حامد سلیمی پیرزمان

خرداد 1391

تاثیر ترتیب جوشکاری بین یک مخزن آلومینیومی استوانه ای و رینگ واسط براعوجاج سازه

حسین مهرعلی و ایرج ستاری فر

آبان 1390

بررسی تغییرات ضریب سرعت سیال در نشتی به روش غیر مخرب آکوستیک امیشن

محمدعابد معتصمی

مهر 1390

بررسی اثر جوشکاری به روش Temper bead بر خواص مکانیکی جوش

وحید شکری

شهریور 1390

بررسی جدا شدن استاتیکی دو لایه از هم در فرایند سوراخکاری مواد مرکب با استفاده از ازمون فراصوتی اکوستیک امیژن

محمد فتوحی

شهریور 1390

شناسایی مد های خرابی در کامپوزیتها با استفاده از تجزیه و تحلیل سیگنالهای آکوستیک امیشین

فرزاد پشم فروش

شهریور 1390

مطالعه تاثیر تنش پسماند در فلزات بر روی سرعت انتشار امواج الاستیک

محمد طاوسیان

دی 1389

بررسی نشتی در سوپاپ موتور احتراقی توسط آکوستیک امیشن

صادق حسینی

شهریور 1389

اندازه گیری تنش در فلزات با استفاده از امواج التراسونیک

خالد اذری

شهریور 1389

مانیتورینگ فرآیند جدایش بین لایه ای مود I در کامپوزیت با تکنیک آکوستیک امیشن

علیرضا سوری

تیر 1389

مونیتورینگ فرایند رشد ترک با استفاده از تکنیک آکوستیک امیشن

هادی محمدیاری

تیر 1389

مطالعه تجربی پدیده ی جدایش لایه ای در کامپوزیت های شیشه پلی استر و شیشه اپوکسی و کامپوزیت های ساندویچی به کمک روش آکوستیک امیشن

میلاد حاجی خانی

خرداد 1389

تعیین تافنس شکست با استفاده از تکنیک آکوستیک امیشن

جواد تیموری شندی

دی 1388

بررسی شروع تغییر فرم پلاستیک با استفاده از روش آکوستیک امیشن

میثم اکبری

بهمن 1387

بازسازی امواج آکوستیک امیشن ناشی از نشت

امیر احمدی

شهریور 1387

اندازه گیری حاصل از رشد ترک بااستفاده از روش آکوستیک امیشن

سعید حاجی قاسمی

اردیبهشت 1387

شناسایی مکانیزم تولید آکوستیک امیشن در فرایندهای اصطکاکی

سجاد مصطفوی

اسفند 1386

بررسی خوردگی تحت تن توسط سیگنال آکوستیک امیشن

حسین حیدری کلهرودی

مهر 1386

پردازش سیگنالهای آکوستیک ایمیشن بدست آمده از یک قطعه کامپوزیتی بوسیله WAVELET

وحید انصاری

اسفند 1385

اندازه گیری تنش به روش امواج التراسونیک

سیامک اخشیک

بهمن 1385

بررسی امکان اندازه گیری تنش به وسیله امواج التراسونیک در پیچ

سید محمد عطیفه

آبان 1385

بررسی انتشار امواج آکوستیک ایمیشن در ورق

سیدمحمدناصر صابر

آبان 1385

بررسی تجربی سوراخکاری پلاستیک های تقویت شده و بررسی وضعیت منطقه آسیب بااستفاده از روشهای غیرمخرب

پیمان مرادی و محمدرضا رازفر

خرداد 1385

تخمین سایش ابزار بااستفاده از روش اکوستیک ایمیشن

حسن کبوتری و محمدرضا رازفر

بهمن 1384

بررسی تاثیر پارامترهای نشت بر سیگنال های اکوستیک ایمیژن در خط لوله

علی علیرضانژاد

شهریور 1384

مطالعه و بررسی امکان تشخیص عیوب لوله ها در حین بهره برداری ازآنها به روش تست اتوماتیک التراسونیک

سیدابوطالب کرمانی

اسفند 1380

مطالعه امکانان جام تست غیر مخرب فولاد

مجتبی احمدی نظام آبادی

آبان 1379

کتب

عنوان

نگارندگان/مترجمان

کشور ناشر

تاریخ انتشار

نسخه

تغییر شکل دینامیکی، خرابی و شکست در مواد مرکب و سازه ها (فصل ششم)

جیانجیاکومو میناک ، فتوحی محمد ، احمدی نجف آبادی مهدی

نامشخص

پایش وضعیت

احمدی نجف آبادی مهدی

ایران

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

امیر رفاهی اسکویی ، اندریا سوچللی ، احمدی نجف آبادی مهدی ، جیاجیاکمو میناک

نامشخص

مقالات مجلات

SAFIKHANLU HAMED ، AHMADI NAJAFABADI MEHDI ، ADIBI HAMED, "Mechanical and acoustic emission assessment of drilled GFRP composites under combined static loading", Engineering Failure Analysis, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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", , 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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", , 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, 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, vol. 154, no. 0, pp.1-12, 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, vol. 194, no. 0, pp.1-13, 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, vol. 20, no. 5, pp.1223-1234, 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, 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, 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, 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, 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, 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, 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", , 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, 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, vol. 72, no. 0, pp.452-463, 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, vol. 128, no. 0, pp.145-156, 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, vol. 144, no. 0, pp.206-219, 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, vol. 37, no. 1, pp.1-13, 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, vol. 46, no. 0, pp.230-237, 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, 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, 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, vol. 0, no. 0, pp.1-20, 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", , vol. 17, no. 8, pp.399-405, 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", , vol. 17, no. 8, pp.406-412, 2017.

MOHAMMADI REZA ، SAEEDIFAR MILAD ، AHMADI NAJAFABADI MEHDI ، HOSSEINI TOUDESHKY HOSSEIN, "Acoustic Emission Based Methodology to Evaluate the Fracture Toughness in Carbon/Epoxy Composites", , vol. 49, no. 2, pp.379-386, 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", , vol. 17, no. 7, pp.91-100, 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, vol. 0, no. 0, pp.1-13, 2017.

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

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, vol. 161, no. 0, pp.505-512, 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, 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, vol. 108, no. 0, pp.427-435, 2016.

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

HOSSEINI SADEGH ، AHMADI NAJAFABADI MEHDI ، AKHLAGHI MEHDI, "Using acoustic emission method for lubrication monitoring in a journal bearing in the time- frequency domain", , vol. 16, no. 6, pp.171-180, 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", , vol. 16, no. 6, pp.345-352, 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, 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, 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, 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, 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, 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, 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", , 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, 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, 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, vol. 0, no. 0, pp.1-11, 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, vol. 0, no. 0, pp.1-16, 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, vol. 124, no. 0, pp.120-127, 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, 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", , 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, 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", , vol. 14, no. 6, pp.144-152, 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", , vol. 14, no. 3, pp.78-84, 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", , vol. 14, no. 4, pp.1-11, 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, vol. 33, no. 0, pp.481-492, 2014.

Yashar Javadi ، AKHLAGHI MEHDI ، AHMADI NAJAFABADI MEHDI, "Nondestructive Evaluation of Welding Residual Stresses in Austenitic Stainless Steel Plates", Research In Nondestructive Evaluation, 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, vol. 39, no. 2, pp.1325-1335, 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, vol. 1, no. 2, pp.329-334, 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", , vol. 13, no. 15, pp.169-183, 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), vol. 4, no. 1, pp.22-30, 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, 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, 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, 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, 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, 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, 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, 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, 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, vol. 227, no. 3, pp.286-296, 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, vol. 49, no. 0, pp.591-601, 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, vol. 4, no. 1, pp.170-174, 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, vol. 0, no. 0, , 2013.

Yashar Javadi ، AHMADI NAJAFABADI MEHDI, "Comparison between Contact and Immersion Ultrasonic Method to Evaluate Welding Residual Stresses of Dissimilar Joints", Materials and Design, vol. 47, no. 0, pp.473-482, 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, vol. 45, no. 0, pp.628-642, 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, vol. 110-116, no. 0, pp.1221-1228, 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, vol. 48, no. 9, pp.541-552, 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, vol. 0, no. 0, , 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, 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, 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, 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, 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, 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, vol. 217, no. 0, pp.171-176, 2012.

106

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, vol. 110-116, no. 0, pp.1221-1228, 2012.

107

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, vol. 37, no. 0, pp.416-422, 2012.

108

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, vol. 110-116, no. 0, pp.3617-3623, 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", , 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, vol. 465, no. 0, pp.527-530, 2011.

122

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

123

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, vol. 32, no. 1, pp.3-7, 2010.

124

REFAHI OSKOUEI AMIR ، AHMADI NAJAFABADI MEHDI, "Fracture Strength Distribution in E-Glass Fiber Using Acoustic Emission", Journal of Composite Materials, 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, 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, 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, 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, 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, vol. 40, no. 4, , 2007.

130

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

131

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

132

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

مقالات همایش‌ها

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.

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.

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.

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.

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

، 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.

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.

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.

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.

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 ، 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.

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.

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.

، 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.

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.

، ، 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.

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 ، ، 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.

، 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.

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.

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.

، ، 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.

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.

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.

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.

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, "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.

، ، 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.

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.

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.

، ، 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.

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.

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.

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

، 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.

، ، 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.

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.

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, "Progressive Fracture Evaluation in Composite Materials by Acoustic Emission Technique,", 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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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

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.

104

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.

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.

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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

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