The effects associated with cold working can be eliminated by a heat treatment called______________?
Correct answer: D. Annealing heat treatment
- A. Age hardening heat treatment
- B. Solution heat treatment
- C. Homogenization heat treatment
- D. Annealing heat treatment
Explanation
Annealing removes the effects of cold working by recovery and recrystallization, restoring ductility and reducing residual stress. Age hardening does the opposite by increasing strength through precipitation.
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