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  4. № 09/10 2012
  5. P. 88

Effect of Y2O3 and SiO2 Additions on the Phase Formation and Properties of Hot-Pressed Composite Based on Boron Carbonitride.

M.Kovalchenko,
 
T.Dubovik,
 
A.Rogozinskaya,
 
N.Bega,
 
V.Subbotin,
 
T.Grebenok,
 
A.P.Portnov
 

I. M. Frantsevich Institute for Problems of Materials Science of the NAS of Ukraine, Omeliana Pritsaka str.,3, Kyiv, 03142, Ukraine
Powder Metallurgy - Kiev: Frantsevich Institute for Problems of Materials Science NASU, 2012, #09/10
http://www.materials.kiev.ua/article/1088

Abstract

The dependence of phase composition and properties of the BNC composite with additions of Y2O3 and SiO2 (quartz glass) on hot pressing temperature is studied. It is established that the composite with the synthesis of new hardening phases forms during the reaction pressure sintering. The optimum conditions for producing the BNC composite are found. The developed BNC composite has high thermal strength, oxidation resistance, and electrical insulating properties.


BORON CARBONITRIDE, FORMATION OF PHASE, HOT-PRESSING PROCESS, KOMPOZIT, QUARTZ GLASS, YTTRIUM OXIDE

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