A comparative study of the structure, wear resistance and mechanical properties of tool steel AISI D2 (Kh12MF) after traditional and alternative heat treatments is performed. The traditional treatment consists of vacuum furnace quenching followed by triple tempering and the alternative treatment includes deep cryogenic treatment followed by nitriding in a tank with molten salt. It is shown that the alternative version changes the morphology of secondary carbides within the steel structure and increases fracture toughness without reducing core hardness.
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Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 5, pp. 24 – 30, May, 2023.
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Ramos, F.D., Moscoso, M.F.C., Regul, A. et al. Nitriding of Steel AISI D2 After Deep Cryogenic Treatment. Met Sci Heat Treat 65, 285–291 (2023). https://doi.org/10.1007/s11041-023-00927-w
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DOI: https://doi.org/10.1007/s11041-023-00927-w