Which of the following terminology is used for the temperature at which new grains are formed in a metal ?
Correct answer: B. Recrystallisation temperature
- A. Eutectic temperature
- B. Recrystallisation temperature
- C. Lower critical temperature
- D. Upper critical temperature
Explanation
The recrystallisation temperature is the temperature at which new, strain-free grains nucleate and grow in a cold-worked metal. Eutectic and critical temperatures describe phase transformations rather than this grain-refinement process.
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