Effect of contact pressure on multiaxial fretting fatigue behavior of Al-Zn-Mg alloy

被引：4

作者：

Song, Tingfeng

Jiang, Xiaosong

Jiang, Jiaxin ^{[1
]}

Zhu, Degui ^{[2
]}

机构：

[1] Chengdu Text Coll, Chengdu, Sichuan, Peoples R China

[2] Southwest Jiaotong Univ, Chengdu, Sichuan, Peoples R China

来源：

MATERIALS TESTING | 2017年 / 59卷 / 09期

基金：

中国国家自然科学基金;

关键词：

Contact pressure; multi-axial loading; Al-Zn-Mg alloy; fretting fatigue behavior; MECHANISM; GROWTH;

D O I：

10.3139/120.111062

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

This research investigates effects of contact pressure on multiaxial fretting fatigue behavior of Al-Zn-Mg alloy which has a wide variety of applications in automobile and rail transit engineering. Al-Zn-Mg alloy is exposed to cyclic loadings and contact pressure. The cyclic stress-strain curve and displacement amplitude curve under different contact pressure of Al-Zn-Mg alloy were investigated using point contact multiaxial fretting fatigue test equipment. Based on cyclic stress-strain curve and displacement amplitude curve under different contact pressure, fretting wear characteristics, fretting fatigue fracture properties and fretting fatigue lives as well as the effects of contact pressure on multiaxial fretting fatigue damage and fretting fatigue fracture mechanisms of Al-Zn-Mg alloy were extensively analyzed.

引用

页码：721 / 727

页数：7

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