Hydrophilic study after nanosecond pulsed laser cleaning of DC04 steel surface

Yanyu Tian; Wenbin Qing; Yinhua Cao; Menghua Jiang; Youqiang Liu

doi:10.1117/12.3010786

1 November 2023 Hydrophilic study after nanosecond pulsed laser cleaning of DC04 steel surface

Yanyu Tian, Wenbin Qing, Yinhua Cao, Menghua Jiang, Youqiang Liu

Proceedings Volume 12917, International Conference on Precision Instruments and Optical Engineering (PIOE 2023); 1291718 (2023) https://doi.org/10.1117/12.3010786
Event: 3rd International Conference on Precision Instruments and Optical Engineering (PIOE 2023), 2023, Shanghai, China

Abstract

In this paper, hydrophilicity after nanosecond pulsed laser cleaning of lubricating oil on the surface of DC04 steel was investigated. Influencing parameters of temperature field distribution and ablation depth on laser cleaned steel surface were simulated by using COMSOL Multiphysics software; The results show that when the average laser power is 50 W, the ablation depth of the steel surface gradually increases with the decrease of the laser scanning speed, and the increase of the ablation depth leads to the decrease of the contact angle of the steel surface. Subsequently, an experimental study of nanosecond pulsed laser cleaning of DC04 steel surfaces was carried out. The results show that the contact angle of the steel surface shows a tendency of decreasing and then increasing with the increase of the laser scanning speed. When the average laser power was 50W, the scanning pitch was 0.03mm and the scanning speed was 500mm/s, the lubricant on the steel surface was cleaned and had the best hydrophilicity on the surface. The static contact angle of the steel surface changed from the original 84° to 18°.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Yanyu Tian, Wenbin Qing, Yinhua Cao, Menghua Jiang, and Youqiang Liu "Hydrophilic study after nanosecond pulsed laser cleaning of DC04 steel surface", Proc. SPIE 12917, International Conference on Precision Instruments and Optical Engineering (PIOE 2023), 1291718 (1 November 2023); https://doi.org/10.1117/12.3010786

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