The Effects of Laser Texturing Parameters on Wear Properties of Rollers with Fractal Geometry

Abstract:

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The processing parameters of laser texturing are linked with the wear property of roller surface based on the relationship between the fractal parameters and surface roughness. The influence of laser power density, scanning speed and pulse width on the roughness is analyzed though experiments. The effect of fractal parameters on the wear rate of the roller is analyzed with fractal geometry model for wear prediction. Condition of achieving engineering surface with optimal fractal dimension is presented and the expression of the optimal fractal dimension is derived. It shows that the roughness of laser textured surface and normalized wear rate are mainly determined by laser power density and fractal dimension, respectively. Moreover, to get the textured surface with smallest nominal wear rate, processing parameters of laser texturing, especially the laser power density, should be controlled properly besides the material properties of the roller. The result will provide guidance for the processing.

Info:

Periodical:

Key Engineering Materials (Volumes 375-376)

Edited by:

Yingxue Yao, Xipeng Xu and Dunwen Zuo

Pages:

328-332

DOI:

10.4028/www.scientific.net/KEM.375-376.328

Citation:

H. B. Liu et al., "The Effects of Laser Texturing Parameters on Wear Properties of Rollers with Fractal Geometry ", Key Engineering Materials, Vols. 375-376, pp. 328-332, 2008

Online since:

March 2008

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Price:

$35.00

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