Evaluation of Fatigue Crack Front Shape for a Specimen with Finite Thickness

被引：0

作者：

He, Zhuang ^{[1
]}

Kotousov, Andrei ^{[1
]}

Branco, Ricardo ^{[2
]}

机构：

[1] Univ Adelaide, Sch Mech Engn, Adelaide, SA 5005, Australia

[2] Polytech Inst Coimbra, Dept Mech Engn, Coimbra, Portugal

来源：

2015 THE 4TH INTERNATIONAL CONFERENCE ON ADVANCES IN MECHANICS ENGINEERING (ICAME 2015) | 2015年 / 28卷

关键词：

STRESS RATIO; GROWTH; CLOSURE; PLATES; MODEL; FRACTURE; EXTENT;

D O I：

10.1051/matecconf/20152801004

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Two-dimensional elastic or elasto-plastic models dominate the current fatigue crack growth assessment and life prediction procedures for plate components with through-the-thickness cracks. However, as demonstrated in many theoretical and experimental papers, the stress field near the crack tip is always three-dimensional and the fatigue crack front is not straight. In this paper, we develop a simplified approach for the evaluation of the front shapes of through-the-thickness fatigue cracks. We validate this approach against experimental results available from published papers.

引用

页数：4

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