Interactions of boron carbide with titanium and zirconium carbides under pressure

The reactions of boron carbide with titanium and zirconium carbides have been examined under various conditions. Reactive sintering of the initial mixtures produces a heterophase material based on B^sub 4^C-MeB^sub 2^ via a stage of lower boride formation. The reaction completeness is increased by a...

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Bibliographic Details
Published in:Powder metallurgy and metal ceramics 1998-01, Vol.37 (1-2), p.45-47
Main Authors: Bykov, A I, Gridneva, I V, Makarenko, G N, Timofeeva, I I, Fedorus, V B, Chugunova, S I
Format: Article
Language:English
Subjects:
Armor
Borides
Boron
Boron carbide
Hardness
Optimization
Powder metallurgy
Titanium
Zirconium carbides
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Summary:The reactions of boron carbide with titanium and zirconium carbides have been examined under various conditions. Reactive sintering of the initial mixtures produces a heterophase material based on B^sub 4^C-MeB^sub 2^ via a stage of lower boride formation. The reaction completeness is increased by adding boron and boron silicide. The material has a finely divided structure and high hardness (42-45 GPa). Promising mixture compositions have been identified together with ways of optimizing the sintering modes.[PUBLICATION ABSTRACT]
ISSN:1068-1302
1573-9066
DOI:10.1007/BF02677229