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Proceedings Paper

Laser cleaning of rust on ship steel using TEA CO2 pulsed laser
Author(s): Linda Ke; Haihong Zhu; Wenjuan Lei; Zuhai Cheng
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Paper Abstract

Ship is easy to rust because of its special working condition. Removal of the rust from the ship surface is generally required for maintaining ship. The feasibility of removing rust using pulsed laser has been confirmed by the past researches. However, the general utilized laser, e.g., pulsed Nd: YAG laser with narrow pulse duration and high peak power, suffers very low average power and throughput. TEA CO2 laser, which also has narrow pulse duration and high peak power, is expected to obtain high throughout because it is easy to obtain high average power. This paper investigated the feasibility and the efficiency of removal of rust from the ship steel using TEA CO2 pulsed laser. The results show that TEA CO2 pulsed laser can effectively clean the rust by using suitable parameters without damage the substrate. A cleaning threshold for stripping rust of power density exists. Also, the effect of the process parameters on the efficiency and performance as well as the removal mechanism were studied in this paper.

Paper Details

Date Published: 21 October 2009
PDF: 8 pages
Proc. SPIE 7515, Photonics and Optoelectronics Meetings (POEM) 2009: Industry Lasers and Applications, 75150G (21 October 2009); doi: 10.1117/12.846775
Show Author Affiliations
Linda Ke, Huazhong Univ. of Science and Technology (China)
Haihong Zhu, Huazhong Univ. of Science and Technology (China)
Wenjuan Lei, Huazhong Univ. of Science and Technology (China)
Zuhai Cheng, Huazhong Univ. of Science and Technology (China)


Published in SPIE Proceedings Vol. 7515:
Photonics and Optoelectronics Meetings (POEM) 2009: Industry Lasers and Applications
Dianyuan Fan; Horst Weber; Xiao Zhu; Dongsheng Jiang; Xiaochun Xiao; Weiwei Dong; Desheng Xu, Editor(s)

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