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Proceedings Paper

Fabricating micro-nano structures on stainless steel surface by picosecond laser
Author(s): Zhiwei Xie; Shiyun Dong; Shixing Yan; Jiawu He; Bin Wang; Chonghe Li
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Paper Abstract

This paper is mainly about the micro-nano structure on stainless steel surface was fabricated by picosecond laser under the static experimental condition, and the surface morphology after ablation is observed and measured by laser scanning confocal microscope (LSCM) and scanning electron microscope(SEM). The technological disciplinarian of stainless steel ablation with different laser parameters, such as power percentage and processing times, was studied. The results show that the change of average power has a main influence on the energy density of laser pulse. With the increase of average power, the energy density of single pulse raises linearly, and the ablation rate increases exponentially. At the same time, the width and depth of micro-nano structures rises with the increase of average power, and the multiscale structure improves gradually. And change the number of processing mainly affects the laser pulse number, the pulse numbers increase linearly with the improve of the processing times. When processing times increase gradually, the width of the micro-nano structures remains the same and then increases and eventually keeps it steady; the depth raises firstly, then decreases, and continues growing finally, while the ablation rate decreases with the power function.

Paper Details

Date Published: 24 October 2017
PDF: 6 pages
Proc. SPIE 10457, AOPC 2017: Laser Components, Systems, and Applications, 1045718 (24 October 2017); doi: 10.1117/12.2283521
Show Author Affiliations
Zhiwei Xie, Shanghai Univ. (China)
Academy of Armored Forces Engineering (China)
Shiyun Dong, Academy of Armored Forces Engineering (China)
Shixing Yan, Academy of Armored Forces Engineering (China)
Jiawu He, Academy of Armored Forces Engineering (China)
Bin Wang, Academy of Armored Forces Engineering (China)
Chonghe Li, Shanghai Univ. (China)

Published in SPIE Proceedings Vol. 10457:
AOPC 2017: Laser Components, Systems, and Applications
Shibin Jiang; Lijun Wang; Lan Jiang; Long Zhang, Editor(s)

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