Mechanical Properties of Materials lab
- Introducing the tensile testing and ASTM E8
-how to work with tensile testing machines and extensometers,
-how to prepare different tensile samples
- (Tensile testing, continued)
-tensile testing of steels, cast irons, non-ferrous alloys, polymers
-who to plot force-displacement (stress-strain) curves and how to extract the mechanical properties
- Introducing the compression testing and ASTM E9
-how to prepare different compression samples
- Compression testing of brittle (e.g. cast irons), and ductile (e.g. Aluminum) materials
- Compression testing of cooper, bras and polymers
- How to plot force-displacement (stress-strain) curves and how to extract the mechanical properties
- Introducing the types of hardness testing and machines, including Brinell, Rockwell, Vickers, and their standards: ASTM E384, ASTM E18, ASTM E92, ASTM E10
- Brinell hardness, Rockwell hardness, Vickers and microhardness testing
- How to interpret the results, the errors and standard deviations, the advantages and disadvantages of each method
- Introducing the bending test and ASTM E290
- Performing three-point bending tests on high strength steels and ceramics
- Plotting the force-displacement curves, obtaining tensile strength in bending
- - Introducing the impact test and ASTM E23, how to prepare the specimens
- performing the Charpy impact tests on FCC (aluminum) and BCC (LC steel) materials at four temperatures
- plotting the absorbed energy-temperature curves
- comparing the impact behavior of FCC and BCC materials
- - Introducing the creep test and ASTM E139, how to prepare the specimens
- performing creep tests on soldering alloy and polymer
- studying the effects of temperature and stress
-plotting the strain-time curve and obtaining the creep rate
- - Introducing the fatigue test and ASTM E966 and fatigue machines, how to prepare the specimens
- performing tensile tests on aluminum and steel to determine the six applied stresses,
- performing the fatigue tests, plotting the S-N curves