quenching process overview
quenching
quenching quenching of steel refers to the heat treatment process that heats, keeps the steel in heat and quickly cools the parts. After quenching, martensite or bainite structure was obtained.
quenching is divided into complete quenching and incomplete quenching.
Completely quenched : Martensite has too high carbon content, which is prone to cracking and forming a large number of residual austenite ;
incomplete quenching : There are fine diffuse cementite residues, and the austenite carbon content is low, so it is not easy to crack during quenching, and the residual carburizing volume is small.
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