Intricacies of Induction Tempering Auto Industry
June 3rd, 2010
Tempering is always a reasonable comprimize between maintaining the required hardness and obtaining low-stress, tough and ductile microstructure in the metal. Generally speaking, there are two different types of stresses: thermal stresses and stresses due to phase transformation. Thermal stresses are caused by different magnitudes of temperature and temperature gradients. Phase transformation stresses occur due to microstructural changes taking place as a result of the formation of austenite, bainite or martensite.
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