Welding of rapidly solidified Alloy 8009 (Al-8·5Fe-1·7Si-1·3V): preliminary study

Alloy 8009 is a rapidly solidified, dispersion strengthened Al-8·5Fe (wt-%) alloy designed for high temperature (up to 400°C) aerospace applications. Both fusion and solid state joining techniques were shown to produce bonds. Fusion techniques destroyed the base metal microstructure with primary Fe...

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Published inMaterials science and technology Vol. 12; no. 11; pp. 970 - 977
Main Authors Ellis, M. B. D., Strangwood, M.
Format Journal Article
LanguageEnglish
Published London, England Taylor & Francis 01.11.1996
SAGE Publications
Maney
Taylor & Francis Ltd
Subjects
Applied sciences
Exact sciences and technology
Joining, thermal cutting: metallurgical aspects
Metals. Metallurgy
Welding
Quaternary alloys
Aluminium base alloys
Silicon alloy
Welding
Tensile property
Experimental study
Iron alloy
Welding metallurgy
Rapidly solidified alloy
Friction welding
Microstructure
Bonding
TEM
Vanadium alloy
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Summary:Alloy 8009 is a rapidly solidified, dispersion strengthened Al-8·5Fe (wt-%) alloy designed for high temperature (up to 400°C) aerospace applications. Both fusion and solid state joining techniques were shown to produce bonds. Fusion techniques destroyed the base metal microstructure with primary Fe 3 Al, loss of solute, formation of larger aluminium grains, and the formation of grain boundary FeAl 3 and intermetallics enriched with silicon and vanadium. Solid state friction stir welding did not cause a significant modification to the dispersoid population but there was a loss of solute to dispersoid/matrix interfaces. MST/3500
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0267-0836
1743-2847
DOI:10.1179/mst.1996.12.11.970