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Mechanism analysis of laser removal of metal oxide on the marine steel based on LIBS
Author(s): Ang Zhang; Kuiguo Han; Qinhui Lu; Xiaoming Chen; Yanqun Tong
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Paper Abstract

The metal oxides of marine steel affect, the quality of welding seriously. The laser is used to remove metal oxides, and improve the surface properties such as interfacial bonding strength. However, the important part of laser removal of metal oxides is mechanism research. In this paper, in order to reveal the physical mechanism of laser removal of metal oxides, laser-induced plasma spectroscopy was used to collect the spectral information of laser removal of oxides from marine steel(Q235B). Temperature rise model of laser heating was used to analyze the spectral intensity of metal substrate and oxide. The intensity and electron density of the spectrum were studied, and the mechanism of laser removal was discussed.

Paper Details

Date Published: 12 March 2019
PDF: 10 pages
Proc. SPIE 11023, Fifth Symposium on Novel Optoelectronic Detection Technology and Application, 1102348 (12 March 2019); doi: 10.1117/12.2521100
Show Author Affiliations
Ang Zhang, Jiangsu Univ. (China)
Kuiguo Han, Jiangsu Univ. (China)
Qinhui Lu, Jiangsu Univ. (China)
Xiaoming Chen, Key Lab. of Surface Engineering Technology for Water Resources and Hydropower Equipment (China)
Yanqun Tong, Jiangsu Univ. (China)


Published in SPIE Proceedings Vol. 11023:
Fifth Symposium on Novel Optoelectronic Detection Technology and Application
Qifeng Yu; Wei Huang; You He, Editor(s)

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