Surface texturing of aluminum alloy 2024 via excimer laser irradiation

Robert L. Parkhill; Edward T. Knobbe

doi:10.1117/12.270085

31 March 1997 Surface texturing of aluminum alloy 2024 via excimer laser irradiation

Robert L. Parkhill, Edward T. Knobbe

Proceedings Volume 2992, Excimer Lasers, Optics, and Applications; (1997) https://doi.org/10.1117/12.270085
Event: Photonics West '97, 1997, San Jose, CA, United States

Abstract

Excimer laser irradiation has been shown to yield unique results when used to process metallic surfaces. We have investigated surface texturing effects on 2024 aluminum alloy specimens. A pulsed XeCl excimer laser was used to generate irradiation fluences ranging from well below to substantially above the ablation threshold. Our results indicate that novel micron-dimensioned surface texturing is achieved over selected fluence regimes. At elevated fluences, texturing is lost due to the extensive surface- melting process. Under certain conditions, sub-micron dimensioned surface structures were generated.

Citation Download Citation

Robert L. Parkhill and Edward T. Knobbe "Surface texturing of aluminum alloy 2024 via excimer laser irradiation", Proc. SPIE 2992, Excimer Lasers, Optics, and Applications, (31 March 1997); https://doi.org/10.1117/12.270085

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