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Cold forming is a process which works when the temperature of metal is above its re-crystallization temperature.

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in Casting-Forming-Welding II by (119k points)
Cold forming is a process which works when the temperature of metal is above its re-crystallization temperature.

(a) True

(b) False

This question was addressed to me in an interview for job.

My question is from Classification of Metal Forming Processes in portion Forming Process of Casting-Forming-Welding II

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Right option is (b) False

Explanation: On the basis of temperature, metal forming mainly has two types which are cold forming and hot forming. Hot forming is defined as the mechanical working of metal at higher temperature above its re-crystallization temperature. And cold forming is a process which works at temperature below the re-crystallization temperature of metal.

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