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The influence of excimer laser treatment on an aluminium alloy surface

Authors
Journal
Surface and Coatings Technology
0257-8972
Publisher
Elsevier
Publication Date
Volume
34
Issue
4
Identifiers
DOI: 10.1016/0257-8972(88)90094-1

Abstract

Abstract The surface of an Al-4wt.%Cu alloy was irradiated with an excimer laser. Very precise X-ray measurements showed that this treatment changes the residual stress in the alloy surface layers from tensile to compressive. In the first 10 μm below the surface of the laser-treated alloy, the microhardness was found to be higher than that of the as-received alloy.

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