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- Article name
- Processing high-temperature Nb-Si in-situ composites(Review)
- Authors
- MURASHEVA V. V., , murasheva_v_v@mail.ru, All-Russian Scientific Research Institute of Aviation Materials, Moscow, Russia
SEVOSTYANOV N. V., , kolia-phone@mail.ru, All-Russian Scientific Research Institute of Aviation Materials, Moscow, Russia
BURKOVSKAYA N. P., , burkovskaya.n@gmail.ru, All-Russian Scientific Research Institute of Aviation Materials, Moscow, Russia
- Keywords
- niobium / silicides / niobium alloys / high-temperature Nb-Si in-situ composite materials / arc-melting / precision investment casting / direct solidification / vapor-phase deposition / extrusion / powder metallurgy
- Year
- 2015 Issue 2 Pages 27 - 38
- Code EDN
- Code DOI
- Abstract
- An overview of state-of-art niobium-silicide-based in-situ composite materials is represented. The article describes the main processing routes of producing Nb-Si in-situ composites (CMs): vacuum-arc melting (VA), precision investment casting, directional solidification (floating-zone processing, Czochralski methods and Bridgman methods), extrusion, vapor-phase deposition (PVD), as well as methods of powder metallurgy. The technological processes features, the basic principles in the development Nb-Si in-situ composites with the following description of their processing are given. The problem of improving the niobium CMs high temperature resistance is discussed.
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