Conclusions
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1.
A structure consisting of grains of different sizes occurs in alloys of the KhN77TYu type after relatively uniform deformation and during subsequent standard heat treatment as the result of either incomplete recrystallization or incomplete collecting recrystallization.
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2.
A uniform small grained structure occurs after the completion of recrystallization and a uniform large grained structure after complete collecting recrystallization.
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3.
It is assumed that the thermal effect occurring in areas of local deformation has a significant influence on the formation of the large grained structure in the KhN77TYu alloy.
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Literature cited
M. K. Smith, Foundations of the Physics of Metals [Russian translation], Moscow, Metallurgizdat (1959).
E. Houdremont, Special Steels [Russian translation], Moscow, Metallurgizdat (1951).
M. V. Rastegaev, Zavodskaya laboratoriya (1959), No. 5.
M. V. Rastegaev, MiTOM (1959), No. 12.
Additional information
A. A. Baikov Metallurgy Institute Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 1, pp. 24–28, January, 1966
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Rastegaev, M.V. Difference in the grain sizes of Ni−Cr alloys resulting from uniform deformation. Met Sci Heat Treat 8, 27–31 (1966). https://doi.org/10.1007/BF00660159
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DOI: https://doi.org/10.1007/BF00660159