FATIGUE CRACK INITIATION AND GROWTH UNDER MIXED-MODE LOADING IN ALUMINUM-ALLOYS 2017-T3 AND 7075-T6

被引：33

作者：

OTSUKA, A ^{[1
]}

TOHGO, K ^{[1
]}

MATSUYAMA, H ^{[1
]}

机构：

[1] NISSAN MOTOR CO, YOKOSUKA 237, JAPAN

来源：

ENGINEERING FRACTURE MECHANICS | 1987年 / 28卷 / 5-6期

关键词：

FATIGUE OF MATERIALS - METALS TESTING - Tensile Tests - STRESSES - Shear;

D O I：

10.1016/0013-7944(87)90065-8

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

Fatigue crack initiation and growth characteristics under mixed mode loading have been investigated on aluminum alloys 2017-T3 and 7075-T6, using a newly developed apparatus for mixed mode loading tests. In 2017-T3, the fatigue crack initiation and growth characteristics from a precrack under mixed mode loading are divided into three regions-shear mode growth, tensile mode growth and no growth. The threshold condition of fatigue crack growth in tensile mode is described by the maximum tensile stress criterion, in both aluminum alloys.

引用

页码：721 / +

页数：1

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