Effect of thickness on Fatigue Crack Growth of Aluminium alloys

被引：0

作者：

Haftirman ^{[1
]}

Wahyudi, Haris ^{[1
]}

Andika, Julpri ^{[2
]}

Yahadi, Noor Afifah ^{[3
]}

机构：

[1] Univ Mercu Buana, Dept Mech Engn, Fac Engn, Jakarta 11650, Indonesia

[2] Univ Mercu Buana, Dept Elect Engn, Fac Engn, Jakarta 11650, Indonesia

[3] Univ Malaysia Perlis, Arau, Perlis, Malaysia

来源：

INTERNATIONAL CONFERENCE AND EXHIBITION IN ADVANCED MATERIALS AND MICROSCOPY 2017 (ICEAMM 2017) | 2018年 / 343卷

关键词：

TIP-OPENING ANGLE;

D O I：

10.1088/1757-899X/343/1/012034

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The effect of thickness on fatigue crack growth has been investigated for aluminium alloys such as a high-strength aluminium alloy (A7075-T6), a medium strength alloy (A6063 T6), and A2024-T351. The fatigue tests were conducted using Instron 8801 fatigue testing machine on all those materials with thicknesses of 12.7, 15.8, and 20 mm. All specimens were undergoing finishing process on the surface. These tests were run under constant amplitude load for each different thickness and materials. Fatigue crack growth specimen made of A2024-T351 and A6063-T6 aluminum alloys with thickness of 12.7 mm were higher than specimen made of A7075-T6 aluminum alloy with thickness of 20 and 12.7 mm and A6063-T6 aluminum alloy with thickness of 15.88 mm. It is concluded that fatigue crack growth decreases significantly with increasing thickness, and the crack initiates very fast on surface material.

引用

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