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J. Korean Ceram. Soc. > Volume 33(11); 1996 > Article
Journal of the Korean Ceramic Society 1996;33(11): 1203.
질화규소의 피로균열진전과 입자가교효과
유성근
나고야대학 재료기능공학과
Bridging Effect and Fatigue Crack Growth of Silicon Nitride
ABSTRACT
Crack growth tests on silicon nitride have been made to clarify the crack growth characteristics under static and cyclic loading. Under constant K(K: stress intensity factor) static loading the crack growth rate in silicon nitride decreases with increasing crack extension and is finally arrested. The cack growth resistiance is largely reduced by the application of stress cycling and though the crack growth resistiacne increases with increasing of crack extension the increasing rate is much smaller under cyclic loading than under static loading
Key words: Silicon, nitride, Cyclic fatigue, Static fatigue, Bridging, effect, Fatigue crack growth
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