2015.2 2.4713 27 0.031 2182.4 3.4800 29.33 0.044 2416.9 4.9900 32.48 0.063 2693.1 7.5062 36.19 0.095 2827.7 10.0325 38 0.127 2921.5 15.0637 39.26 0.191 Plot the stress-strain diagram for your specimen material, and indicate the 0.2 % yield stress, ultimate tensile strength, the % elongation, % reduction in area, modulus of elasticity,. Use ordinary millimeter graph paper. After finishing answer the following questions. 1. Calculate the values of % elongation and % reduction in area and indicate their significance? 2. Calculate the elastic modulus using the slope of the linear portion of the curve. 3. Determine the 0.2 % yield stress. 4. What property does the area under the stress-strain define? 5. Compare the stress-strain curves for the cold-rolled and annealed steel and the aluminum specimens shown hereunder, your answer should include some discussion in addition to describing the behaviour.

2015.2 2.4713 27 0.031 2182.4 3.4800 29.33 0.044 2416.9 4.9900 32.48 0.063 2693.1 7.5062 36.19 0.095 2827.7 10.0325 38 0.127 2921.5 15.0637 39.26 0.191 Plot the stress-strain diagram for your specimen material, and indicate the 0.2 % yield stress, ultimate tensile strength, the % elongation, % reduction in area, modulus of elasticity,. Use ordinary millimeter graph paper. After finishing answer the following questions. 1. Calculate the values of % elongation and % reduction in area and indicate their significance? 2. Calculate the elastic modulus using the slope of the linear portion of the curve. 3. Determine the 0.2 % yield stress. 4. What property does the area under the stress-strain define? 5. Compare the stress-strain curves for the cold-rolled and annealed steel and the aluminum specimens shown hereunder, your answer should include some discussion in addition to describing the behaviour.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Thermal Properties of Materials

In mechanical engineering, the thermal property is represented as the physical quantity that is relevant to the application of heat. The thermal properties are evaluated by variations in any specific material due to low heat or high heat. The quantities that influence the thermal property of the materials are mass, density, temperature, and many others.

Question

Complete the following table for the sample that your group tested in the
laboratory:
Load (kg)
Extension (AL)
Stress (F/AInitinl)
Strain (AL/L)
962.2
1.4387
12.45
0.018
2015.2
2.4713
27
0.031
2182.4
3.4800
29.33
0.044
2416.9
4.9900
32.48
0.063
2693.1
7.5062
36.19
0.095
2827.7
10.0325
38
0.127
2921.5
15.0637
39.26
0.191
Plot the stress-strain diagram for your specimen material, and indicate the
0.2 % yield stress, ultimate tensile strength, the % elongation, % reduction in
area, modulus of elasticity,. Use ordinary millimeter graph paper.
After finishing answer the following questions.
1. Calculate the values of % elongation and % reduction in area and indicate
their significance?
2. Calculate the elastic modulus using the slope of the linear portion of the
curve.
3. Determine the 0.2 % yield stress.
4. What property does the area under the stress-strain define?
5. Compare the stress-strain curves for the cold-rolled and annealed steel and the
aluminum specimens shown hereunder, your answer should include some
discussion in addition to describing the behaviour.

Stress-strain dlagram
pld rolled
steel
Annealed steel
Aluminum alloy

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