Fatigue Performance of Friction Stir Weld-Bonded Al-Mg joints

被引：6

作者：

Maciel, Ricardo ^{[1
]}

Bento, Tiago ^{[1
]}

Braga, Daniel F. O. ^{[1
]}

da Silva, Lucas F. M. ^{[2
]}

Moreira, Pedro M. G. P. ^{[3
]}

Infante, Virginia ^{[1
]}

机构：

[1] Univ Lisbon, Inst Super Tecn, IDMEC, LAETA, Ave Rovisco Pais, P-1049001 Lisbon, Portugal

[2] FEUP, Campus FEUP,Rua Dr Roberto Frias S-N, P-4200465 Porto, Portugal

[3] INEGI, Campus FEUP,Rua Dr Roberto Frias 400, P-4200465 Porto, Portugal

来源：

3RD INTERNATIONAL CONFERENCE ON STRUCTURAL INTEGRITY (ICSI 2019) | 2019年 / 17卷

关键词：

Friction stir welding; adhesive bonding; aluminius alloy; fatigue strength; BEHAVIOR;

D O I：

10.1016/j.prostr.2019.08.126

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

The need for weight reduction and leaner manufacturing and assembly processes in aircraft construction has led to the pursuit of alternative joining processes to conventional riveting. One such technology that has been considered for this application is friction stir welding (FSW). Since it is a solid-state joining method, it results in high performing joints in a wide range of materials while avoiding overlap lengths and added weight from fasteners, crack stoppers, doublers, etc. However, the adoption of this technology to the assembly of large fuselage shell components is challenging, due to geometric tolerance management requirements. A hybrid friction stir weld-bonding method combining overlap friction stir welding and adhesive bonding (AB) has been proposed as an alternative, aims to incorporate properties and characteristics of both joining technologies, as well as improving damage tolerance. Fatigue performance of single lap joints of AA6082-T6 Al-Mg alloy was assessed and benchmarked against FSW overlap and hybrid friction stir weld-bonding joints. Significant strength and ductility increase were achieved through the hybridization of the overlap FSW joints. Fatigue strength of the hybrid joints was also higher than FSW overlap joints. (C) 2019 The Authors. Published by Elsevier B.V.

引用

页码：949 / 956

页数：8

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