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J. Korean Ceram. Soc. > Volume 27(6); 1990 > Article
Journal of the Korean Ceramic Society 1990;27(6): 735.
저온 열처리에 의한 Y-TZP 미세조직의 변화
이종국, 김환
서울대학교 무기재료공학과
The Change of Microstructures by Low Temperature Aging in Y-TZP
ABSTRACT
The phase transformation of Y-TZP by low temperature aging treatments and its related behaviors of crack formation were investigated. The kinetics of phase transformation was greatly dependent on the amounts of Y2O3, grian size and microstructures of sintered body. The phase transformation happened to start at specimen surface and near the pore in the first place, where the change of strain energy during the phase transformation was small and the water vapor that accelerated phase transformation easily diffused.
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