Journal
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Volume 339, Issue 1-2, Pages 241-244Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/S0921-5093(02)00165-X
Keywords
cryogenic treatment; steel; microstructure; carbide; wear resistance
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Cryogenic treatment has been claimed to improve wear resistance of certain steels and has been implemented in cutting tools, autos, barrels etc. Although it has been confirmed that cryogenic treatment can improve the service life of tools, the underling mechanism remains unclear. In this paper, we studied the microstructure changes of M2 tool steel before and after cryogenic treatment. We found that cryogenic treatment can facilitate the formation of carbon clustering and increase the carbide density in the subsequent heat treatment, thus improving the wear resistance of steels. (C) 2003 Elsevier Science B.V. All rights reserved.
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