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Microstructure and Mechanical Properties of the Aluminium Alloy 6056 Welded by Friction Stir Welding Techniques

Lafly, Anne-Laure and Alléhaux, Delphine and Marie, François and Dalle Donne, Claudio and Biallas, Gerhard (2006) Microstructure and Mechanical Properties of the Aluminium Alloy 6056 Welded by Friction Stir Welding Techniques. Welding in the World, 50 (11/12), pp. 98-106.

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Abstract

Results of a comparative study carried by conventional and bobbin-tool Friction Stir Welding (FSW) technologies are presented. Aluminium sheets of AA6056 (Al-Mg-Si-Cu alloy), were welded by the standard FSW and bobbin tool techniques. Mechanical and microstructural characteristics were determined for three different thermal treatments, T4, T6, and T78, in two starting conditions of the material, namely as-welded and post-welded. The analysis of results is based on the influence of the welding technology as well as the initial temper selected prior to welding on the residual performances of the weld. The study is mostly focused on T78 tempers.

Document Type:Article
Title:Microstructure and Mechanical Properties of the Aluminium Alloy 6056 Welded by Friction Stir Welding Techniques
Authors:
AuthorsInstitution or Email of Authors
Lafly, Anne-LaureAirbus France
Alléhaux, DelphineEADS CRC France
Marie, FrançoisEADS CRC France
Dalle Donne, ClaudioEADS CRC Germany
Biallas, GerhardUNSPECIFIED
Date:2006
Journal or Publication Title:Welding in the World
Refereed publication:Yes
In ISI Web of Science:No
Volume:50
Page Range:pp. 98-106
Status:Published
Keywords:Friction Stir Welding, Bobbin Tool, hardness tests, microstructure, metallographic sections, mechanical properties, heat treatments, electrical conductivity, tensile tests, 6056 Aluminium alloy
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Structures & Materials
Location: Köln-Porz
Institutes and Institutions:Institute of Materials Research > Mechanical Testing of Materials
Deposited By: Dr.-Ing. Gerhard Biallas
Deposited On:03 Jan 2007
Last Modified:27 Apr 2009 13:22

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