Tool steels used in marine industries demand an effective approach to the enhancement of their properties. Normally, conventional heat treatment is widely used to increase the performance of tool steels. However, this method cannot fully enhance tool steel performance. On the other hand, cryogenic treatment is a supplemental process to conventional heat treatment; it can promote the conversion of retained austenite to martensite and accelerate the precipitation of fine carbides. In this paper, a systematic review of the cryogenic treatment of tool steels is presented. A wide range of useful investigations is reviewed, particularly in the details of the transformation of retained austenite to martensite and the precipitation of fine carbides. A case study of a tool steel subjected to conventional heat treatment, conventional cold treatment, and deep cryogenic treatment is also given and discussed in order to give an insight in the cryogenic treatment of tool steels.
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CITATION STYLE
Chowwanonthapunya, T., Peeratatsuwan, C., & Rithinyo, M. (2022). Cryogenic treatment of tool steels: A brief review and a case report. Maritime Technology and Research. Kasetsart University Faculty of International Maritime Studies. https://doi.org/10.33175/mtr.2022.253445