Technological ways to create composite materials based on heat-resistant refractory compounds (review)

Shestakov A.V., Karashaev M.M., Dmitriev N.S.
UDC
669.018.95
DOI
10.18577/2307-6046-2021-0-8-12-20
Article PDF (Russian) (738.39 KB)
How to cite
Shestakov A.V., Karashaev M.M., Dmitriev N.S. Technological ways to create composite materials based on heat-resistant refractory compounds (review) // Proceedings of VIAM. 2021. No. 8. DOI: 10.18577/2307-6046-2021-0-8-12-20. URL: https://test.viam.ru/en/journal/2021/8/2
Keywords
intermetallide, Ni–Al system, metallurgy granules, spark plasma sintering, hot isostatic pressing, thermomechanical processing, mechanical activation.
Abstract

The article discusses the main technological approaches to obtain heat-resistant and heat-resistant materials based on compounds in the Ni–Al system in order to use them in promising products of aviation and rocket technology. It is shown that when receiving materials based on compounds in the Ni-Al system, a phase of eutectic origin is formed based on the Ni3Al compound, which reduces the technological plasticity of the alloys of this system. The use of powder metallurgy methods eliminates such phases in the structure of alloys obtained using granule metallurgy technology, as well as with the use of special methods of powder metallurgy.

Technological approaches are presented to obtain similar materials using powder metallurgy methods combined with thermomechanical processing.

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