Buckling instability of straight edge cracks

被引：16

作者：

Jensen, HM ^{[1
]}

Thouless, MD ^{[1
]}

机构：

[1] IBM CORP,DIV RES,THOMAS J WATSON RES CTR,YORKTOWN HTS,NY 10598

来源：

JOURNAL OF APPLIED MECHANICS-TRANSACTIONS OF THE ASME | 1995年 / 62卷 / 03期

关键词：

D O I：

10.1115/1.2895991

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

A buckling instability in a system where a straight edge crack lies at the interface between a thin elastic film and a substrate is analysed theoretically and experimentally. The buckling, which can occur also under remote tensile lends, may result in crack growth before the conventional criterion for fracture is met on the straight crack front by enhancing the mode adjusted crack driving force. If crack growth occurs, buckling will cause a wavy crack front to develop.

引用

页码：620 / 625

页数：6

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