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Cryogenic treatment equipment scientific

2020-04-22 09:19:55


       Since austenite is very unstable and decomposed in low temperature environment, the original defects (micropores and internal stress concentration part) produce plastic flow and become microstructure refined, so as long as the metal is placed in an ultra-low temperature environment, where Of austenite will be transformed into martensite, and the internal stress will be eliminated.
       At ultra-low temperature, due to the shrinkage of tissue volume and the narrowing of Fe lattice constant, the driving force for the precipitation of carbon atoms is strengthened.Therefore, a large amount of ultra-fine carbides are precipitated from the matrix of martensite. Abrasiveness and rigidity.
       The ultra-low temperature can transfer the energy of metal atoms, (cryogenic processing equipment) so that the atoms cannot be diffused and separated, so that the atoms are tightly bound.

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