Discussion :: Workshop Technology
- The temperature at which the new grains are formed in the metal is called
|
A.
Lower critical temperature |
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B.
Upper critical temperature |
|
C.
Eutectic temperature |
|
D.
Recrystallisation temperature |
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Answer : Option D
Explanation :
Recrystallization is the process in which deformed grains of the crystal structure are replaced by a new set of stress-free grains that nucleate and grow until all the original grains have been consumed. The process is accomplished by heating the material to temperatures above that of crystallization.
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