UV laser texturing of aluminum alloys and related effects on surface treatment

Ryoichi Kuwano; Makoto Hino; Norihito Nagata; Kazuya Nagata; Tsuyoshi Tokunaga; Toshihiko Koga; Nathan Hagen; Yukitoshi Otani

doi:10.1117/12.2660178

8 December 2022 UV laser texturing of aluminum alloys and related effects on surface treatment

Ryoichi Kuwano, Makoto Hino, Norihito Nagata, Kazuya Nagata, Tsuyoshi Tokunaga, Toshihiko Koga, Nathan Hagen, Yukitoshi Otani

Author Affiliations +

Proceedings Volume 12480, Optical Technology and Measurement for Industrial Applications Conference 2022; 124800F (2022) https://doi.org/10.1117/12.2660178
Event: Optics and Photonics International Congress, 2022, Yokohama, Japan

Abstract

In this study, UV laser texturing was performed to improve the properties of A5052 aluminum alloy surfaces for joining, and the effectiveness of the processed surfaces was evaluated. The laser-irradiated materials were joined with a polyamide resin-based bond, and the resulting specimens were evaluated in tensile shear tests. The A5052 substrate surface was removed over the entire scanning area with a beam spot overlap of 10 μm, and exhibited complex irregular topography with enhanced oxidation and removal of materials other than aluminum oxide. The results of the shear testing indicated a fracture load of up to 4 kN, which was attributed to the anchoring effect and surface modification.

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Ryoichi Kuwano, Makoto Hino, Norihito Nagata, Kazuya Nagata, Tsuyoshi Tokunaga, Toshihiko Koga, Nathan Hagen, and Yukitoshi Otani "UV laser texturing of aluminum alloys and related effects on surface treatment", Proc. SPIE 12480, Optical Technology and Measurement for Industrial Applications Conference 2022, 124800F (8 December 2022); https://doi.org/10.1117/12.2660178

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