Conclusions
At temperatures up to 1000° and above 1200° the average grain size is weakly dependent on the temperature, but intensive grain growth is observed at 1050–1200°, the grains oriented in rolling bands. On this basis we determined the temperature above which it is recommended these steels not be heated — ∼1000°.
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Literature cited
S. G. Chernyavskaya et al., "Phases precipitating in grain boundaries during slow cooling of maraging steels," Metalloved. Term. Obrab. Met., No. 10, 45 (1974).
S. A. Saltykov, Stereometric Metallography [in Russian], Metallurgiya, Moscow (1970).
R. Kahn (editor), Physical Metallurgy [Russian translation], Vol. 2, Mir, Moscow (1968), p. 408.
Additional information
Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 3, pp. 63–64, March, 1978.
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Chernyavskaya, S.G., Fridman, V.S., Krasnikova, S.I. et al. Susceptibility to grain growth of stainless maraging steels. Met Sci Heat Treat 20, 241–242 (1978). https://doi.org/10.1007/BF00777105
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DOI: https://doi.org/10.1007/BF00777105