Friction stir welding of magnesium alloy AZ31B to aluminium alloy 5083

A preliminary investigation has been carried out into the application of friction stir welding for joining a magnesium alloy to an aluminium alloy. The work has shown that liquation during the welding process can lead to the formation of a brittle intermetallic at the joint interface. This intermeta...

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Bibliographic Details
Published inScience and technology of welding and joining Vol. 8; no. 6; pp. 462 - 464
Main Authors McLean, A. A., Powell, G. L. F., Brown, I. H., Linton, V. M.
Format Journal Article
LanguageEnglish
Published London, England Taylor & Francis 01.12.2003
SAGE Publications
Maney
Subjects
Applied sciences
Exact sciences and technology
Joining, thermal cutting: metallurgical aspects
Metals. Metallurgy
Welding
Welding metallurgy
Magnesium base alloys
Aluminium base alloys
Welding
Intermetallic compound
Property structure relationship
Friction welding
Experimental study
Microstructure
Interface
Dissimilar metals
Solidification
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Summary:A preliminary investigation has been carried out into the application of friction stir welding for joining a magnesium alloy to an aluminium alloy. The work has shown that liquation during the welding process can lead to the formation of a brittle intermetallic at the joint interface. This intermetallic has a microstructure composed of a divorced lamellar eutectic containing Al 12 Mg 17 and magnesium. The formation of this microstructure and its influence on mechanical properties are discussed in terms of solidification theory.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:1362-1718
1743-2936
DOI:10.1179/136217103225009134