Criterion for initiation of cracks under mixed-mode I plus III loading

被引：90
|
作者：
Lin, Bisen [1 ]
Mear, M. E. [1 ]
Ravi-Chandar, K. [1 ]
机构：
[1] Univ Texas Austin, Ctr Mech Solids Struct & Mat, Austin, TX 78712 USA
来源：
INTERNATIONAL JOURNAL OF FRACTURE | 2010年 / 165卷 / 02期
关键词：
Fracture; Three-dimensional loading; Crack front fragmentation; STRESS INTENSITY FACTORS; FRONT ROTATION; BRITTLE SOLIDS; FRACTURE; SHEAR; SEGMENTATION; PROPAGATION; EVOLUTION; I+II+III; STEEL;
D O I：
10.1007/s10704-010-9476-7
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The initiation of crack growth under a combination of opening and anti-plane shearing mode loading is considered in this paper. It is shown that such cracks do not grow through a continuous evolution of the crack surface. Rather, an abrupt fragmentation or segmentation of the crack front is generated. Through experimental observations and a theoretical model, we postulate a relationship between the scale of the fragmentation and the mode mix.
引用
收藏
页码：175 / 188
页数：14
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