Carburizing steels 23KhN2M, 22KhNM, and 20KhGNM are studied with the aim to determine the critical quenching rates corresponding to formation of layers with martensite and half-martensite structures for the method of end quenching. Approximation of experimental data is used for deriving regression equations describing the dependence of the critical quenching rate on the chemical composition of the steels.
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GOST 5756. Steel. Method for Testing for Hardenability [in Russian], Gosstandart SSSR, Moscow (1985).
N. N. Kachanov, Hardenability of Steel [in Russian], Metallurgiya, Moscow (1964).
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Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 7, pp. 43–45, July, 2009.
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Gliner, R.E. Analysis of critical rates of quenching of carburizing steels. Met Sci Heat Treat 51, 360 (2009). https://doi.org/10.1007/s11041-009-9169-x
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DOI: https://doi.org/10.1007/s11041-009-9169-x