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J. Korean Ceram. Soc. > Volume 26(1); 1989 > Article
Journal of the Korean Ceramic Society 1989;26(1): 116.
통계적 파괴 확률에 의한 Sin/Hip 질화규소의 신뢰도 분석
유영혁, 이준근1, 이재석2
쌍용중앙연구소 정밀요업연구실
1한국과학기술원 내화재료연구실
2한국과학기술원 시스템공학센터
Reliability Analysis of Statistical Failure Probability in Sin/Hip Si3N4
ABSTRACT
MOR test and concentric ring test were performed to evaluate the failure probability of sin/hip Si3N4 under uniaxial and biaxial stress state, respectively. Their failure probabilities were analized with KARA program based on Weibull PIA model and Batdorf model with 5 criteria, and they were compared with experiments. PIA model is in best accordance with experiments in higher fracture strength regions, especially for Pf 0.3. But in lower fracture strength region, none of the models predicts the failure probabilities appropriately.
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