General Studies · Heat Treatment
What is the primary purpose of the hardening process of metals?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To make the metal softer and more ductile
- 2To relieve internal residual stresses
- 3To increase the cutting ability and wear resistance✓
- 4To reduce internal brittleness
Correct answer
To increase the cutting ability and wear resistance
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