Microstructure and Mechanical Properties of an AA6181-T4 Aluminium Alloy to HC340LA High Strength Steel Friction Stir Overlap Weld

Friction stir welding (FSW) of dissimilar joints offers serveral advantages over conventional fusion joining techniques since no associated melting is involved. In this study, FSW was applied to join AA6181‐T4 aluminium alloy to HC340LA high strength steel and a systematic investigation of the micro...

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Bibliographic Details
Published inAdvanced engineering materials Vol. 10; no. 10; pp. 961 - 972
Main Authors Coelho, R. S., Kostka, A., Sheikhi, S., dos Santos, J., Pyzalla, A. R.
Format Journal Article
LanguageEnglish
Published Weinheim WILEY-VCH Verlag 01.10.2008
WILEY‐VCH Verlag
Wiley-VCH
Subjects
Aluminum alloys
Applied sciences
Exact sciences and technology
Friction stir welding
Joining
Joining, thermal cutting: metallurgical aspects
Metals. Metallurgy
Welding
Shear test
Grain size
Aluminium base alloys
Transmission electron microscopy
Lap joint
Intermetallic compound
Friction stir welding
High strength steel
Mechanical properties
Microstructure
Fractography
EBSD
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Summary:Friction stir welding (FSW) of dissimilar joints offers serveral advantages over conventional fusion joining techniques since no associated melting is involved. In this study, FSW was applied to join AA6181‐T4 aluminium alloy to HC340LA high strength steel and a systematic investigation of the microstructure formation, the development of FexAly intermetallic compounds and their influences on the mechanical behaviour is presented. Based on fractography analyses, a possible failure scenario for the joint during shear test is also proposed.
Bibliography:ark:/67375/WNG-ZCZ875P8-V
Helmholtz Association of German Research Centres
ArticleID:ADEM200800028
Ruhr-Universität Bochum
The authors would like to thank Dr. Christoph Somsen and Prof. Dr. Gunther Eggeler, Institute of Materials, Ruhr-Universität Bochum for making their TEM available for these researches. The authors further gratefully acknowledge the Helmholtz Association of German Research Centres for financial support via the virtual institute 'Photon and Neutron Research on Advanced Engineering Materials' (VI-PNAM). R.S.C. would like to thank the Program Alban - European Union Program of High Level Scholarships for Latin America - for financial support (scholarship No. E04D046587BR).
Program Alban - European Union Program of High Level Scholarships for Latin America - No. E04D046587BR
istex:3C921B7EA8B4A39945C618BA337E368B51E324C6
The authors would like to thank Dr. Christoph Somsen and Prof. Dr. Gunther Eggeler, Institute of Materials, Ruhr‐Universität Bochum for making their TEM available for these researches. The authors further gratefully acknowledge the Helmholtz Association of German Research Centres for financial support via the virtual institute ‘Photon and Neutron Research on Advanced Engineering Materials' (VI‐PNAM). R.S.C. would like to thank the Program Alban – European Union Program of High Level Scholarships for Latin America – for financial support (scholarship No. E04D046587BR).
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ISSN:1438-1656
1527-2648
DOI:10.1002/adem.200800028