Manufacturing and Industrial Engineering - GATE practice papers - Mechanical for Q. 385

Q.  Which is the material represented in below stress-strain curve? (Marks: 02)

Stress–Strain Curve
- Published on 19 Oct 15

a. Rigid ideal plastic material
b. Ideal plastic material with elastic region
c. Ideal elastic material
d. none of the above

ANSWER: Ideal plastic material with elastic region
 
In above diagram, the material behaves elastically at certain point and after that it behaves as ideal plastic material. Thus it is an ideal plastic material with elastic region.

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