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According to the purpose of application and the kind of material of the workpiece to be treated, different heat treatment processes are applied. The most common processes are given in the following chart:
Figure
Apart from these processes, "surface hardening" and "hardening with subesequent tempering" are used among others when special properties shall be changed.
Hint:
In practice, hardening is directly related to tempering since it follows the hardening process as subsequent method.
What is heat
treatment?
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What is the purpose of heat treatment
processes?
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