To counteract the bad effects of strain hardening on a cold formed part, it must be ______________________?
Correct answer: C. Annealed
- A. Tempered
- B. Normalised
- C. Annealed
- D. Hardened
Explanation
Annealing softens a cold-worked part and restores ductility by relieving residual stresses and reducing the effects of strain hardening. Tempering is normally applied to hardened steel, while normalising does not specifically reverse cold-work hardening as effectively.
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