Conclusions
Double heat treatment consisting of quenching from 1050–1080°C in air and tempering for 16 h in air at 750°C provides the highest resistance to relaxation in the KhN77TYu alloy.
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Literature cited
F. F. Khimushin, Alloying, Heat Treatment and Properties of Heat Resistant Steels and Alloys [in Russian], Oborongiz (1962).
S. B. Maslenkov and G. V. Éstulin, “FMM” (1962), No. 6.
V. Betteridge, Heat Resistant Alloys of the Nimonik Type [Russian translation], Moscow, Metallurgizdat (1961).
Additional information
Central Scientific Research Institute of Ferrous Metallurgy Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 1, pp. 60–63, January, 1966
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Borzdyka, A.M., Astakhova, L.M. & Salakhova, L.I. Effect of heat treatment on the relaxation resistance of the KhN77TYu alloy. Met Sci Heat Treat 8, 65–67 (1966). https://doi.org/10.1007/BF00660168
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DOI: https://doi.org/10.1007/BF00660168