Laser texturing of rollers by pulsed Nd:YAG laser

被引：87
|
作者：
Du, D [1 ]
He, YF [1 ]
Sui, B [1 ]
Xiong, LJ [1 ]
Zhang, H [1 ]
机构：
[1] Tsinghua Univ, Dept Engn Mech, Beijing 100084, Peoples R China
来源：
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY | 2005年 / 161卷 / 03期
关键词：
laser texturing; roll; surface roughness profile; Sombrero shaped bumps;
D O I：
10.1016/j.jmatprotec.2004.07.083
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The morphologies of roll surfaces are modified with pulsed Nd:YAG laser and characterized by a topography measuring instrument. Sombrero shaped bumps with diameters 230-250 mu m and heights 2-4 mu m are produced by defocused laser beam. Qualitative analysis of bump formation is performed. The relationship between the laser processing parameters and the profile of the bump is studied. The method of mathematical statistics is introduced to analyze the profiles of roll surface roughness. Furthermore, The measurement and analysis on the surface roughness and hardness are carried out. The results show: the bump has higher hardness than the matrix, which is adapted to the requirements of laser texturing. (c) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：456 / 461
页数：6
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