CONTINUUM THEORY OF CRACK SHIELDING IN CERAMICS.

被引：0
|
作者：
Ortiz, M. [1 ]
机构：
[1] Brown Univ, Providence, RI, USA, Brown Univ, Providence, RI, USA
来源：
Journal of Applied Mechanics, Transactions ASME | 1987年 / 54卷 / 01期
关键词：
STRESSES; -; Analysis;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A phenomenological constitutive model is proposed which aims at describing the overall effect of microfracture in ceramics. Based on this model, the asymptotic stress, strain, and displacement fields at the tip of a stationary macroscopic crack are determined in closed form. The near-tip stress-intensity factor is computed and observed to be significantly smaller than the applied stress-intensity factor even for moderate amounts of damage.
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页码：54 / 58
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