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首页> 外文会议>International Congress on Applications of Lasers and Electro-Optics >CW ND:YAG LASER WELDING OF DISSIMILAR SHEET METALS
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CW ND:YAG LASER WELDING OF DISSIMILAR SHEET METALS

机译：CW ND：薄膜激光焊接的异种片金属

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A 4kW CW Nd:YAG laser was used for lap welding of three different dissimilar sheet metal combinations, namely 316L S/S -^sTi64, 316L S/S -^sAl 5052 and Al 1200 -^sCu (99.85%). A welding matrix of laser power, travel speed and spot sizes was investigated in order to determine the operating windows for the specific set-up. Sound lap welds could be obtained with the Al/Cu and SS/Al dissimilar combinations, but only within narrow operating windows. Extremely hard phases were obtained within the fusion zones, especially in the SS/Ti welds, resulting in very brittle welds which were prone to cracking.
机译：4kW CW ND：YAG激光器用于三种不同不同的金属板组合的圈焊接，即316L S / S - ^ STI64,316L S / S-^ SAL 5052和Al 1200 - ^ SCU（99.85％）。研究了激光功率，行进速度和点尺寸的焊接矩阵，以确定特定设置的操作窗口。可以使用Al / Cu和SS / Al异种组合获得声音搭接焊接，但仅在狭窄的操作窗口内获得。在融合区内获得极其硬相，特别是在SS / TI焊缝中，导致非常脆性的焊缝，其易于破裂。

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