Maximum tangential strain energy density criterion for general mixed mode I/II/III brittle fracture

被引：62

作者：

Ayatollahi, M. R. ^{[1
]}

Saboori, B. ^{[1
]}

机构：

[1] Iran Univ Sci & Technol, Fatigue & Fracture Res Lab, Ctr Excellence Expt Solid Mech & Dynam, Sch Mech Engn, Tehran 16846, Iran

来源：

INTERNATIONAL JOURNAL OF DAMAGE MECHANICS | 2015年 / 24卷 / 02期

关键词：

Fracture criterion; strain energy density; mixed mode I; II; III; out-of-plane fracture angle; fracture load; WELDED-JOINTS; FATIGUE-STRENGTH; CRACK-GROWTH; STRESS; SPECIMEN; ELEMENT; GRAPHITE; BEHAVIOR; SHEAR;

D O I：

10.1177/1056789514530745

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The maximum tangential strain energy density criterion presented in the past for damage analysis of brittle materials under mixed mode I/II loading is extended to general mixed mode I/II/III in order to estimate the in-plane and out-of-plane fracture angles as well as the fracture load. The extended criterion is validated in all mixed modes I/II, I/III, II/III and I/II/III for both fracture angles and fracture loads using the experimental results reported in the literature. Good agreement is found between the results predicted by the extended maximum tangential strain energy density criterion and the experimental results. The theoretical results are also compared with those of the maximum principal stress criterion.

引用

页码：263 / 278

页数：16

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