The aim of this study is to determine the wettability-enhancing effects of an atmospheric-pressure, direct current (DC) plasma arc discharge on aluminum alloys. Wettability is a critical factor in engineering applications such as biomedical implants, painting, and adhesive bonding. For example, in the realm of adhesive bonding, greater wettability improves a metal substrate’s attraction to an adhesive material, which results in higher bond quality. In this study, the contact angle is determined and compared as a measure of the wettability using two different techniques, the sessile drop and ballistic deposition methods, with water as a test liquid. Additionally, this paper analyzes the impact of different arc discharge parameters, including arc current and plasma torch velocity, on the wettability.
- Manufacturing Engineering Division
Wettability Enhancement of Aluminum Alloys via Plasma Arc Discharge
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Asgharifar, M, Abramovitch, J, Kong, F, Carlson, B, & Kovacevic, R. "Wettability Enhancement of Aluminum Alloys via Plasma Arc Discharge." Proceedings of the ASME 2012 International Manufacturing Science and Engineering Conference collocated with the 40th North American Manufacturing Research Conference and in participation with the International Conference on Tribology Materials and Processing. ASME 2012 International Manufacturing Science and Engineering Conference. Notre Dame, Indiana, USA. June 4–8, 2012. pp. 449-455. ASME. https://doi.org/10.1115/MSEC2012-7331
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