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J. Korean Ceram. Soc. > Volume 24(3); 1987 > Article
Journal of the Korean Ceramic Society 1987;24(3): 223.
상압소결과 열간정수압소결 질화규소의 기계적 성질
김창삼, 하정수, 이준근
한국과학기술원 내화재료 연구실
Mechanical Properties of Sintered and HIPed Silicon Nitride
Among many densification routes for silicon nitride, HIP(hot isostatic pressing) is becomming more popular these days, mainly due to the fact that it can produce highly reliable products with superior mechanical properties. This study involves in sintering of silicon nitride followed by HIP which requires no canning. Various property changes curing sintering and HIP are observed and analyzed in terms of microstructural changes. Porosity decrease and enhanced interlocking of grains by HIP are considered to be the major causes for improved mechanical properties of silicon nitride.
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