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Journal of Materials Engineering and Performance
Erschienen in: Journal of Materials Engineering and Performance 5/2008

01.10.2008

The Effects of Laser Peening and Shot Peening on Mechanical Properties in Friction Stir Welded 7075-T7351 Aluminum

verfasst von: Omar Hatamleh

Erschienen in: Journal of Materials Engineering and Performance | Ausgabe 5/2008

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Abstract

Peening techniques like laser peening and shot peening were used to modify the surface of friction stir welded 7075-T7351 Aluminum Alloy specimens. The tensile coupons were machined such as the loading was applied in a direction perpendicular to the weld direction. The peening effects on the global and local mechanical properties through the different regions of the weld were characterized and assessed. The surface hardness levels resulting from various peening techniques were also investigated for both sides of the welds. Shot peening resulted in an increase to surface hardness levels, but no improvement was noticed on the mechanical properties. In contrast, mechanical properties were improved by laser peening when compared to the unpeened material.
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Metadaten
Titel
The Effects of Laser Peening and Shot Peening on Mechanical Properties in Friction Stir Welded 7075-T7351 Aluminum
verfasst von
Omar Hatamleh
Publikationsdatum
01.10.2008
Verlag
Springer US
Erschienen in
Journal of Materials Engineering and Performance / Ausgabe 5/2008
Print ISSN: 1059-9495
Elektronische ISSN: 1544-1024
DOI
https://doi.org/10.1007/s11665-007-9163-7

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