A SELF-CONSISTENT MODEL FOR MULTIFIBER CRACK BRIDGING

被引：9
|
作者：
SLAUGHTER, WS
机构：
[1] Division of Applied Sciences, Harvard University, Cambridge
来源：
INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES | 1993年 / 30卷 / 03期
关键词：
D O I：
10.1016/0020-7683(93)90174-6
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
A self-consistent model for determining the equivalent spring stiffness in fiber crack-bridging problems is proposed. The model is compared with the shear-lag model for ideal bonding of the fiber-matrix interface, in which case the springs have a linear spring constant. A comparison is also made, in the homogeneous limit when fiber and matrix elastic properties are identical, with results from particle and ligament crack-bridging analyses. The self-consistent model is seen to agree with these other models. A simplified parametric equation is given which approximates the results over the considered range of material properties.
引用
收藏
页码：385 / 398
页数：14
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