Abstract
An approach proposed to creating steels with a new combination of mechanical properties and a high impact toughness at low temperatures. This approach is based on the phenomenon of structural heredity and consists in the formation of a two-phase martensite–martensite structure and the designing of a carbide subsystem. A grain size distribution is found, and the possibility of two-stage formation of low-carbon austenite is shown. A martensitic transformation model, which takes into account the grain size distribution, is developed and experimentally tested. The models are tested on low-carbon Cr–Mn–Ni–Mo–V–Nb martensitic steels.
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Original Russian Text © S.K. Berezin, A.A. Shatsov, S.K. Greben’kov, L.V. Spivak, 2018, published in Metally, 2018, No. 3, pp. 9–23.
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Berezin, S.K., Shatsov, A.A., Greben’kov, S.K. et al. Structural-Phase Transitions in Cold-Resistant Low-Carbon Martensitic Steels Susceptible to Structural Heredity. Russ. Metall. 2018, 432–444 (2018). https://doi.org/10.1134/S0036029518050038
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DOI: https://doi.org/10.1134/S0036029518050038