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Plastic Deformation Quiz

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1. What is the primary mechanism for plastic deformation in metals?

2. At what point does plastic deformation begin in a stress-strain curve?

3. Which factor does NOT significantly influence the plastic deformation of a material?

4. What is the role of grain boundaries in the plastic deformation of polycrystalline materials?

5. Which process involves the plastic deformation of a material at a temperature below its recrystallization temperature?

6. What phenomenon occurs when a material is plastically deformed and then undergoes a decrease in strength upon heating?

7. Which type of crystal structure in metals tends to have higher ductility?

8. How does work hardening affect the properties of a metal?

9. What is the effect of alloying elements on the plastic deformation of metals?

10. Which term best describes the process by which a metal is plastically deformed to improve its mechanical properties without changing its phase?