On the Plastic Zone Size and the Crack Tip Opening Displacement of an Interface Crack Between two Dissimilar Materials

被引：29

作者：

Yi, D. K. ^{[1
]}

Xiao, Z. M. ^{[1
]}

Tan, S. K. ^{[2
]}

机构：

[1] Nanyang Technol Univ, Sch Mech & Aerosp Engn, Singapore, Singapore

[2] Nanyang Technol Univ, Sch Civil & Environm Engn, Singapore, Singapore

来源：

INTERNATIONAL JOURNAL OF FRACTURE | 2012年 / 176卷 / 01期

关键词：

Interface crack; singularity integral equation; dislocation; crack tip opening displacement (CTOD); plastic zone size; elastic and plastic fracture mechanics; MEDIA;

D O I：

10.1007/s10704-012-9713-3

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In the paper, the elastic-plastic fracture behavior of an interface crack between two dissimilar materials is investigated. The mixed-mode Dugdale model is applied to examine the plastic zone size and the crack tip opening displacement. In numerical examples, the plastic zone size and the crack tip opening displacement of an interface crack under uniform loads are studied in detail. Two formulae are proposed to calculate the plastic zone size and the crack tip opening displacement of an interface crack under small scale yielding conditions.

引用

页码：97 / 104

页数：8

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