Journal ArticleDOI
CO2 laser welding of galvanized steel sheets using vent holes
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In this paper, hot-dip galvanized steel sheets of 0.68mm thick (24-gage) were pre-drilled using a pulsed Nd:YAG laser to form vent holes along the weld line and then seam welded in the lap-joint configuration using a continuous wave CO 2 laser.About:
This article is published in Materials & Design.The article was published on 2009-02-01. It has received 94 citations till now. The article focuses on the topics: Laser beam welding & Heat-affected zone.read more
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Prospects of laser welding technology in the automotive industry: A review
Kyung-Min Hong,Yung C. Shin +1 more
TL;DR: In this article, the potential for the use of lightweight materials (aluminum alloys, magnesium alloys and titanium alloys) in high volume vehicle manufacturing is discussed. And the feasibility of implementing these techniques in the industrial setup is discussed, and mechanical properties of welds such as hardness, shear and tensile strength are analyzed.
Journal ArticleDOI
Spatter in laser welding
Alexander Kaplan,John Powell +1 more
TL;DR: In this article, a systematic description of the different types of spatter phenomena which occur during laser welding is presented, and a categorization system is proposed to facilitate the comparison and combination of research findings on spatter.
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A comparative study on welding temperature fields, residual stress distributions and deformations induced by laser beam welding and CO2 gas arc welding
TL;DR: In this article, the authors investigated the welding deformation in low carbon steel thin-plate joints induced by laser beam welding and CO 2 gas arc welding by means of both numerical simulation technology and experimental method in the current study.
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Gap-free fibre laser welding of Zn-coated steel on Al alloy for light-weight automotive applications
TL;DR: In this article, the effects of welding speed, laser power, number of the welding passes and type of shielding gas in gap-free welding of Zn-coated steel on Al alloy were investigated using a 1-kW single mode continuous wave fibre laser.
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Effects of pulsed Nd:YAG laser welding parameters and subsequent post-weld heat treatment on microstructure and hardness of AISI 420 stainless steel
TL;DR: In this article, the effect of welding parameters such as voltage, laser beam diameter, frequency, pulse duration, and welding speed on the weld dimensions were investigated and the optimum values were obtained for the 450-V voltage, 0.6mm focal diameter, 6-Hz frequency, 5-ms pulse duration and 1.5mm/s welding speed.
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Welding of tailored blanks of different materials
TL;DR: In this article, the purpose of the filler material is to compensate for the differences in chemical and physical properties of both materials, and the welded joints were subjected to deep drawing.
Journal Article
Galvanized steel joined with lasers
Jian Xie,Paul Denney +1 more
TL;DR: In this paper, a single-sided joining of galvanized steel is proposed using laser technology. But it is not suitable for single-side joining of large-scale steel structures.