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Published in: Journal of Materials Engineering and Performance 8/2010

01-11-2010

Tensile and Fatigue Behavior of Friction-Stir Welded Tailor-Welded Blank of Aluminum Alloy 5754

Authors: M. Garware, G. T. Kridli, P. K. Mallick

Published in: Journal of Materials Engineering and Performance | Issue 8/2010

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Abstract

Friction stir welding is becoming increasingly desirable in many applications, including tailor-welded blanks in which two sheets of different thicknesses are joined together to form blanks that can be subsequently stamped into a final product shape. In this article, we have studied the static tensile and tension-tension fatigue behavior of friction stir welded joint in a tailor-welded blank of aluminum alloy 5754. It was observed that the yield and tensile strengths of friction stir welded specimens with weld located 90° to the tensile direction are close to the base material values, but its elongation is nearly half the elongation for the base material. The friction stir welded joints had relatively high-fatigue strength, and was even superior to that of the base aluminum alloy in the high-cycle region. Pre-straining caused by press forming lowered the elongation to failure, but improved the fatigue performance.

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Metadata
Title
Tensile and Fatigue Behavior of Friction-Stir Welded Tailor-Welded Blank of Aluminum Alloy 5754
Authors
M. Garware
G. T. Kridli
P. K. Mallick
Publication date
01-11-2010
Publisher
Springer US
Published in
Journal of Materials Engineering and Performance / Issue 8/2010
Print ISSN: 1059-9495
Electronic ISSN: 1544-1024
DOI
https://doi.org/10.1007/s11665-009-9589-1

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