Effect of annealing temperature on the homogeneity of intermetallic alloy based on Ni3Al compound

Bazyleva O.A., Karashaev M.M., Shestakov A.V., Arginbaeva E.G.
UDC
669.017.165
DOI
10.18577/2307-6046-2020-0-8-3-10
Article PDF (Russian) (947.04 KB)
How to cite
Bazyleva O.A., Karashaev M.M., Shestakov A.V., Arginbaeva E.G. Effect of annealing temperature on the homogeneity of intermetallic alloy based on Ni3Al compound // Proceedings of VIAM. 2020. No. 8. DOI: 10.18577/2307-6046-2020-0-8-3-10. URL: https://test.viam.ru/en/journal/2020/8/1
Keywords
heat resistant nickel alloys, intermetallic compounds, alloys VKNA and VIN, hardening heat treatment.
Abstract

The article presents the results of research aimed at studying the structural and phase stability of a high-temperature intermetallic alloy based on nickel VIN4M. It is shown that the greatest effect of dissolution of the eutectic γ'-phase, affecting the stress state of the alloy of a certain chemical composition, is observed in the temperature range 1310–1330 °C. The critical points of material are determined after vacuum induction melting and vacuum induction casting by the method of directional solidification with a crystallographic orientation of <001> and the characteristics of alloy samples for short and long-term strength after hardening heat treatment.

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