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Influence of cold plastic deformation on the development of the discontinuous precipitation process in a dispersion-hardening alloy of the nickel-chromium-niobium system

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Abstract

Diagrams of isothermal precipitation plotted using the method of quantitative metallography were used to analyze the influence of small and moderate preliminary cold plastic deformation on the completeness and kinetics of the development of the discontinuous precipitation process, as well as on the position and extent (on the temperature and time scales) of this process in the case of a dispersion-hardening alloy of the N71Kh20B9 type. This analysis made it possible to formulate general principles of formation of the temperature-time domain of discontinuous precipitation in the alloy in which the process of precipitation of a supersaturated solid solution involves not only discontinuous but also general continuous and Widmanstätten separation of an excess phase.

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Authors and Affiliations

  1. N. E. Bauman Higher Technical College, Moscow

    O. M. Khovova & A. G. Rakhshtadt

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  1. O. M. Khovova
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  2. A. G. Rakhshtadt
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 10, pp. 70–76, October, 1980.

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Khovova, O.M., Rakhshtadt, A.G. Influence of cold plastic deformation on the development of the discontinuous precipitation process in a dispersion-hardening alloy of the nickel-chromium-niobium system. Soviet Physics Journal 23, 897–902 (1980). https://doi.org/10.1007/BF00892264

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  • DOI: https://doi.org/10.1007/BF00892264

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