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- Article name
- Mechanochemical synthesis and compaction of multicomponent alloys with nanocrystalline substructure elements
- Authors
- LOGACHEVA A. I., , info@kompozit-mv.ru, Institute of Nova Metallurgical Technology JSC Komposit, Korolev, Moscow region, Russia
TIMOFEEV A. N., , atimofeev@kompozit-mv.ru, JSC "Kompozit", Korolyov, Moscow region, Russia
PORTNOY V. K., , valeri.portnoy@gmail.ru, Faculty of Chemistry of Lomonosov Moscow State University, Moscow, Russia
LEONOV A. V., , leonov@general.chem.msu.ru, Faculty of Chemistry of Lomonosov Moscow State University, Moscow, Russia
- Keywords
- mechanochemical synthesis / a nanocrystalline structure / intermetallic compounds / hot isostatic pressing / multicomponent alloys
- Year
- 2011 Issue 3 Pages 41 - 47
- Code EDN
- Code DOI
- Abstract
- The possibility of using of nickel aluminides instead of nickel superalloys as a basis for the creation of high-temperature constructional composite materials (CM) was investigated. It was found that the use of mechanochemical synthesis (MS) and hot isostatic pressing for an alloy based on Ni3Al possible to obtain a microstructure consisting of ultrafine grains (2-5 microns) and nanographite (1-50 nm) at grain boundaries. Since nanographite at grain boundaries can not provide their strengthening, in further research is supposed to link nanographite to the carbides by the addition of carbide-forming elements by MS.
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