Question: Question 1 . The stress vs . strain curves for three types of steel is shown in Figure 1 . a . What is the

Question 1.
The stress vs. strain curves for three types of steel is shown in Figure1.
a. What is the stress and strain at the onset of plastic deformation for each material?
b. Which material has the most plastic deformation? Explain.
c. How much load could a bar with 1" cross sectional diameter carry at 5% strain for each material?
d. Which material is the toughest? Explain.
Stress-Strain DiagrM
Figure

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