Effect of corrosion on the fatigue life and fracture mechanisms of 6101 aluminum alloy wires for car manufacturing applications

被引：24

作者：

Laurino, A. ^{[1
,2
]}

Andrieu, E. ^{[1
]}

Harouard, J. -P. ^{[2
]}

Odemer, G. ^{[1
]}

Salabura, J. -C. ^{[1
]}

Blanc, C. ^{[1
]}

机构：

[1] Univ Toulouse, CIRIMAT, UPS, CNRS,INPT, F-31030 Toulouse 4, France

[2] Leoni Wiring Syst France, F-78180 Montigny Le Bretonneux, France

来源：

MATERIALS & DESIGN | 2014年 / 53卷

关键词：

Aluminum alloy; Scanning electron microscopy; Fatigue endurance; Fatigue-corrosion; Automotive components; PITTING CORROSION; CRACK PROPAGATION; INTERMETALLIC PARTICLES; BEHAVIOR; INITIATION; HYDROGEN; GROWTH; DAMAGE; MICROSCOPY; MODEL;

D O I：

10.1016/j.matdes.2013.06.079

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

An innovative solution for the automotive industry is to replace the copper used for wiring harnesses with aluminum alloys, such as the aluminum-magnesium-silicon 6101 alloy. Wiring harnesses are composed of thin strand arms obtained by a wire drawing process. These strands are susceptible to exposure to a corrosive environment and fatigue solicitations simultaneously. The fatigue endurance of this alloy was studied using the stress-life approach for three metallurgical states representative of three cold-drawing steps. Fatigue tests performed in corrosive media tests highlighted a strong decrease of the 6101 alloy lifetime due to fatigue-corrosion interactions and a modification of failure modes. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：236 / 249

页数：14

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