Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/21207
Title: Effect of electric field on plasma control during CO2 laser welding
Authors: Tse, HC
Man, HC 
Yue, TM 
Issue Date: 2000
Publisher: Elsevier Science Ltd
Source: Optics and lasers in engineering, 2000, v. 33, no. 3, p. 181-189 How to cite?
Journal: Optics and Lasers in Engineering 
Abstract: Experimental results showed that an applied electric field can affect the shielding behavior of the laser-produced plasma during laser welding. It was found that at optimum field strength, the penetration depth can be increased by about 8% and the width of bead can also be reduced. In other words, the electric field can be used for enhancing the efficiency of the laser energy coupling to the workpiece. In addition, the influences of the electric field strength, field direction and laser power on the penetration depth and the bead width are reported.
URI: http://hdl.handle.net/10397/21207
ISSN: 0143-8166
DOI: 10.1016/S0143-8166(00)00045-2
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