Fatigue crack growth of Al 5083-H111 subjected to mixed-mode loading

被引：5

作者：

Shahani, Amir Reza ^{[1
]}

Shakeri, Iman ^{[2
]}

Rans, Calvin David ^{[3
]}

机构：

[1] KN Toosi Univ Technol, Fac Mech Engn, Dept Appl Mech, POB 19395-1999, Tehran, Iran

[2] KN Toosi Univ Technol, Dept Appl Mech, Fracture Mech Res Lab, Tehran, Iran

[3] Delft Univ Technol, Fac Aerosp Engn, Kluyverweg 1, NL-2629 HS Delft, Netherlands

来源：

JOURNAL OF THE BRAZILIAN SOCIETY OF MECHANICAL SCIENCES AND ENGINEERING | 2020年 / 42卷 / 08期

关键词：

Fatigue crack growth; Mixed-mode loading; Stress intensity factor; CTS specimen; Crack growth simulation; Aluminum alloy; BEHAVIOR; FRACTURE;

D O I：

10.1007/s40430-020-02527-8

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Fatigue is a major cause of failure in several industries, and in many practical cases, local mixed-mode conditions prevail at the crack front. The effect of plane mode mixity on the crack growth rate and crack growth direction has been investigated. Fatigue crack growth experiments have been conducted on aluminum alloy Al5083-H111 for several mode mixities. A fixture was manufactured in order to apply the different combinations of mode I and II by changing loading angle. Afterward, three-dimensional simulations have been implemented using the Zencrack software. Based on numerical simulations, new relations are proposed to estimate stress intensity factors for compact tension shear geometry by modifying Richard's equations [1].

引用

页数：12

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