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首页> 外文会议>9th International Conference, Apr 2-4, 2001, Leuven, Belgium >A Study on Laser Welding of Aluminium to Steel for Automotive Skin Sheet Applications
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A Study on Laser Welding of Aluminium to Steel for Automotive Skin Sheet Applications

机译：汽车表皮应用铝到钢的激光焊接研究

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摘要

The current work presents the results of laser welding of aluminium in different flange geometries, where the metallurgical appearance of the fusion zone formed between dissimilar metals (i.e., aluminium to steel) can be widely influenced and improved by the use of "property tailored filler materials". All welding experiments were conducted using a 2.5 kW Nd:YAG and a 4 kW diode laser system. In the report the general mechanical and dynamic properties of laser welded flanges of several aluminium alloys and steel combinations are first shown, followed by the results of experiments carried out to study the weldability of flanges due to different filler materials and the occurrence of intermetallic phases. Measurements of the metallurgical composition of the studied alloys and weldments as well as fractographical investigations complete the work. Furthermore SEM investigations of the microstructure of the welded samples were performed.
机译：当前的工作提出了在不同法兰几何形状的铝上进行激光焊接的结果，其中异种金属（即铝与钢）之间形成的熔合区的冶金外观可通过使用“性能定制的填充材料”来广泛影响和改善”。所有焊接实验均使用2.5 kW Nd：YAG和4 kW二极管激光系统进行。在该报告中，首先显示了几种铝合金和钢组合的激光焊接法兰的一般机械性能和动态性能，然后给出了研究结果，以研究由于不同填充材料和金属间相的出现而引起的法兰的可焊性。对所研究的合金和焊件的冶金成分的测量以及分形学研究完成了这项工作。此外，对焊接样品的微观结构进行了SEM研究。

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