tensile tests will be for polystyrene and which one will be for the mild steel? C. What is the Ultimate Tensile Strength (UTS) for the two specimens? Which one has higher UTS? Explain your answer. D. From the tensile test for Material A. What is the valuc of yield strength for this material? E. From the tensile test for Material A. Calculate the Modulus of Elasticity (Young's Modulus) for this material. F. Which material has higher plastic deformation before fracture? G. Suppose that the specimen of material A is unloaded before the yield strength point. For this specimen, sketch the elastic hysteresis loop for the elastic region of the stress-stain curve. H. Which material should you select to manufacture a mechanical part that should not change shape with great pressure? Explain your answer.

tensile tests will be for polystyrene and which one will be for the mild steel? C. What is the Ultimate Tensile Strength (UTS) for the two specimens? Which one has higher UTS? Explain your answer. D. From the tensile test for Material A. What is the valuc of yield strength for this material? E. From the tensile test for Material A. Calculate the Modulus of Elasticity (Young's Modulus) for this material. F. Which material has higher plastic deformation before fracture? G. Suppose that the specimen of material A is unloaded before the yield strength point. For this specimen, sketch the elastic hysteresis loop for the elastic region of the stress-stain curve. H. Which material should you select to manufacture a mechanical part that should not change shape with great pressure? Explain your answer.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

H please

400
a50
300
250
200
Material A
150
100
50
0.02
0.04
0.06
0.08
0.12
0.14
0.16
0.18
Strain (mm/mm)
50
Material B
30
20
10
0.02
0.04
0.06
0.08
0.1
Strain (mm/mm)
Figure 2: Tensile Test Analysis
Stress (MPal
Stress (MPa)

A. Which material is considered as ductile and which one is considered as brittle? Explain. What is the
difference between the two types?
B. Knowing that one of these two specimens is polystyrene and the other is mild steel. Which of these
tensile tests will be for polystyrene and which one will be for the mild steel?
C. What is the Ultimate Tensile Strength (UTS) for the two specimens? Which one has higher UTS?
Explain your answer.
D. From the tensile test for Material A. What is the value of yield strength for this material?
E. From the tensile test for Material A. Calculate the Modulus of Elasticity (Young's Modulus) for this
material.
F. Which material has higher plastic deformation before fracture?
G. Suppose that the specimen of material A is unloaded before the yield strength point. For this
specimen, sketch the elastic hysteresis loop for the elastic region of the stress-stain curve.
H. Which material should you select to manufacture a mechanical part that should not change shape
with great pressure? Explain your answer.

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