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首页> 外文会议>AIST steel properties amp; applications conference proceedings combined with MSamp;T' 10 materials science and technology 2010 >Research and Progress in Laser Welding of Zinc-coated Steel Sheets
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Research and Progress in Laser Welding of Zinc-coated Steel Sheets

机译：镀锌钢板激光焊接的研究与进展

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摘要

Zinc-coated steel is a popular material in automotive body manufacturing owing to its good corrosion resistance, strength and excellent formability. Laser welding is an attractive process because of its high welding speed, deep penetration and high weld quality. However, laser welding of zinc-coated steels in gap-free lap joint configuration is still a challenging task in the automotive industry due to the vaporization of zinc at 906℃. The high pressurized zinc vapor causes undesirable high porosity and spatters. This problem is more prominent in gap-free lap welds which are commonly used in automotive sheet metal welding. In this article, an overview of research and progress in laser welding of zinc-coated steel sheets is given. Then the recent achievements in welding of zinc-coated steel sheets at the Center for Laser-aided Manufacturing at SMU are reported.
机译：镀锌钢因其良好的耐腐蚀性，强度和出色的可成型性而在汽车车身制造中很受欢迎。激光焊接由于其高焊接速度，深熔深和高焊接质量而成为有吸引力的工艺。但是，由于锌在906℃下会汽化，因此以无间隙搭接方式对镀锌钢进行激光焊接仍然是一项艰巨的任务。高压锌蒸气会导致不良的高孔隙率和飞溅。在汽车钣金焊接中普遍使用的无间隙搭接焊缝中，这个问题更加突出。本文概述了镀锌钢板激光焊接的研究和进展。然后，报道了SMU激光辅助制造中心在镀锌钢板焊接方面取得的最新成就。

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