Conclusions
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1.
Intermetallic phase is formed in steel 05Kh12K14N5M5T in the temperature range of 800–1050°, sharply reducing the fracture toughness.
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2.
To obtain a fracture toughness of at least 0.3 MJ/m2 in longitudinal samples the steel must be quenched from 1100°; heating to and cooling from this temperature must be rapid.
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Literature Cited
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Additional information
Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 4, pp. 41–43, April, 1983.
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Krasnikova, S.I., Man'ko, T.A., Drobot, A.V. et al. Effect of quenching parameters on the properties of maraging steel 05Kh12K14N5M5T-VD. Met Sci Heat Treat 25, 294–297 (1983). https://doi.org/10.1007/BF00778326
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DOI: https://doi.org/10.1007/BF00778326