Material flow in heterogeneous friction stir welding of aluminium and copper thin sheets

The aim of this investigation was to study material flow during dissimilar friction stir welding of AA 5083-H111 to deoxidised high phosphorus copper plates of 1 mm thickness. The welds were performed using different tool geometries and welding parameters. The positions of the copper and aluminium p...

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Bibliographic Details
Published inScience and technology of welding and joining Vol. 15; no. 8; pp. 654 - 660
Main Authors Galvão, I., Leal, R. M., Loureiro, A., Rodrigues, D. M.
Format Journal Article
LanguageEnglish
Published London, England Taylor & Francis 01.11.2010
SAGE Publications
Subjects
ALUMINIUM
Aluminum
ALUMINUM ALLOYS (50 TO 99 AL)
Aluminum base alloys
COPPER
Friction stir welding
FRICTION WELDING
INTERMETALLIC COMPOUNDS
JOINTS
MACHINE TOOLS
MATERIAL FLOW
Morphology
PLATE
Plates
Welded joints
WELDING
WELDING TOOL
ALUMINIUM
WELDING TOOL
COPPER
MATERIAL FLOW
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Summary:The aim of this investigation was to study material flow during dissimilar friction stir welding of AA 5083-H111 to deoxidised high phosphorus copper plates of 1 mm thickness. The welds were performed using different tool geometries and welding parameters. The positions of the copper and aluminium plates, relative to the advancing and retreating sides of the tool, were also changed. It was found that the tool geometry and relative position of the plates deeply influence the morphology of the aluminium and copper flow interaction zones, influencing the distribution of both materials in the weld and the formation of intermetallic compounds. The material accumulated under the tool during welding was found as another important aspect determining weld morphology.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:1362-1718
1743-2936
DOI:10.1179/136217110X12785889550109