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J. Korean Ceram. Soc. > Volume 36(10); 1999 > Article
Journal of the Korean Ceramic Society 1999;36(10): 1062.
Ball-on-3 ball test에 의한 알루미나 세라믹스의 열충격 거동
이중현, 박성은, 한봉석, 이홍림
연세대학교 세라믹공학과
Thermal shock behavior of alumina ceramics by ball-on-3 ball test
The flexural strength distribution of alumina ceramics was observed using ball-on-3 ball test after thermal shock into the distilled water of 25$^{circ}C$ Crack distribution was also observed by dye-penetration after thermal shock test. Fracture probability of alumina ceramics by ball-on-3 ball test was studied and compared with that by 3-point bending test. The crack distance from the center of thespecimen showed the stronger effect on the flexural strength by ball-on-3 ball test than the crack density
Key words: Thermal shodk, Ball-on-3 ball test, bending strength
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