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Proceedings Paper

The influence of surface preparation on the absorption coefficient of laser radiation
Author(s): Piotr Kurp; Zygmunt Mucha; Krystian Mulczyk; Ryszard Gradoń; Paweł Trela
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Paper Abstract

The absorption coefficient of the surface of a workpiece is of importance in laser treatment, particularly in the treatment where the temperature of an element must be strictly controlled. Laser surface treatment (such as hardening, metallic glazing) and laser forming can be primarily included in this type of technology. In another case, surface temperature must be precisely controlled, especially if structural changes are to be avoided. There are a number of ways to increase the absorption coefficient of the surface of an element. Since the laser forming is the research subject of the authors of the presented paper, it was necessary to determine the absorption coefficient for the different surfaces preparation of workpieces. Raw surface, oxidized surface, sandblasted surface, black enamel covered surface and waterglass covered surface were examined, respectively. The experiment was performed using a CO2 laser with a head for a surface treatment which generates a rectangular beam of dimensions 2x20 mm, and the samples were made of X5CrNi18-10 stainless steel.

Paper Details

Date Published: 8 December 2016
PDF: 8 pages
Proc. SPIE 10159, Laser Technology 2016: Progress and Applications of Lasers, 101590M (8 December 2016); doi: 10.1117/12.2257992
Show Author Affiliations
Piotr Kurp, Kielce Univ. of Technology (Poland)
Zygmunt Mucha, Kielce Univ. of Technology (Poland)
Krystian Mulczyk, Kielce Univ. of Technology (Poland)
Ryszard Gradoń, Kielce Univ. of Technology (Poland)
Paweł Trela, Kielce Univ. of Technology (Poland)


Published in SPIE Proceedings Vol. 10159:
Laser Technology 2016: Progress and Applications of Lasers
Ryszard S. Romaniuk; Krzysztof Kopczynski; Jan K. Jabczyński; Zygmunt Mierczyk, Editor(s)

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