Effect of Silicon Activity on Liquid‐Phase Sintering of Nitrogen Ceramics
- 1 May 1985
- journal article
- Published by Wiley in Journal of the American Ceramic Society
- Vol. 68 (5) , C‐124-C‐126
- https://doi.org/10.1111/j.1151-2916.1985.tb15329.x
Abstract
Volatilization resulting from the thermal decomposition of Si3N4 causes the large weight loss and desintering phenomenon observed during pressureless sintering of Si3N4‐5% MgO and sialon (z =2)‐5% MgO. The addition of a few weight percent of Si to the powder suppresses this volatilazation and helps to achieve fully dense Si3N4 components.Keywords
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