Effects of process parameters on the corrosion rate of pulsed Nd:YAG laser-welded zinc-coated steel

被引：5
|
作者：
Tzeng, YF [1 ]
机构：
[1] Chang Gung Univ, Dept Mech Engn, Tao Yuan 333, Taiwan
来源：
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY | 2002年 / 124卷 / 1-2期
关键词：
Nd : YAG laser; CO2; laser; average peak power density; pulse energy; pulse duration; spot size; electrochemical; polarisation; corrosion; NaCl;
D O I：
10.1016/S0924-0136(01)01015-9
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Electrochemical tests of pulsed Nd:YAG laser-welded zinc-coated steel sheet in 1 N NaCl Solution have been carried out to characterise the sacrificially protective effect of the zinc coating. The effects of a range of pulsed Nd:YAG laser welding parameters on corrosion are investigated. The study shows that the acceptable weld metals are still protected by the sacrificial effect of the zinc coating for their lifetime. The experimental results further reveal that the variations in the pulsed laser processing parameters do not make any significant difference in the electrochemical characterisation. (C) 2002 Elsevier Science B.V. All rights reserved.
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页码：1 / 7
页数：7
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