Conclusions
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1.
The maximum wear resistance of steel Kh12F1 is attained by quenching from 1170°C with about 70% retained austenite.
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2.
Hardening is due to the increased density of dislocations pinned by solute atoms of chromium and vanadium and mechanically blocked by carbides.
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3.
The relatively low wear resistance of steel Kh12F1 with a primarily martensitic structure after quenching from 1050°C is due to the low strength of interatomic bonds in martensite the presence of cracks, and the disruption of coherence at the martensite-retained austenite interface.
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Additional information
Zaporozh'e Machinebuilding Institute. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 1, pp. 68–70, January, 1969.
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Popov, V.S., Brykov, N.N. Hardening of steel Kh12F1 during abrasive wear. Met Sci Heat Treat 11, 68–70 (1969). https://doi.org/10.1007/BF00655181
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DOI: https://doi.org/10.1007/BF00655181