Study of mechanical properties for copper alloy H62 sheets joined by self-piercing riveting and clinching

被引：68

作者：

Xing, Baoying ^{[1
]}

He, Xiaocong ^{[1
]}

Wang, Yuqi ^{[1
]}

Yang, Huiyan ^{[1
]}

Deng, Chengjiang ^{[1
]}

机构：

[1] Kunming Univ Sci & Technol, Fac Mech & Elect Engn, Innovat Mfg Res Ctr, Kunming 650500, Peoples R China

来源：

JOURNAL OF MATERIALS PROCESSING TECHNOLOGY | 2015年 / 216卷

基金：

中国国家自然科学基金;

关键词：

Copper alloy; Self-piercing riveting; Clinching; Fatigue; Coefficient of variation; Least square method; FATIGUE-STRENGTH; ALUMINUM JOINTS; EXTENSIBLE DIES; EDGE DISTANCE; BEHAVIOR;

D O I：

10.1016/j.jmatprotec.2014.08.030

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Self-piercing riveting (SPR) and clinching are new high-speed mechanical fastening techniques which are suitable for point joining lightweight sheet materials. The joinabilities of copper alloy H62 by SPR and clinching are discussed in this paper. Mechanical tests were conducted to study the static and fatigue properties of joints, and the properties of joints using SPR and clinching technologies were investigated. The effectiveness of experimental data was validated statistically, using Student's t test and a two-parameter Weibull distribution. The fatigue load (F) and fatigue life (N) results were plotted against log-log axes. Lines were fitted using least square methods and the two-parameter power function equations of F-N curves were obtained. The results showed that SPR joints had superior static and fatigue properties, but the clinched joints also presented favorable fatigue performance. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：28 / 36

页数：9

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