研究了结构陶瓷材料的统计分布规律.首先通过实验测试了两种Al2O3陶瓷光滑试件和不同缺口半径试件的断裂强度;对实验数据用正态分布和Weibull分布分别进行了分析,发现对于缺口件,用正态分布描述其断裂强度分散性要比Weibull分布好一些.这也说明在对陶瓷材料结构件进行设计时,应考虑用正态分布表述其断裂强度的分散性和存活概率.
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