激光熔-钎焊镀锌钢/铝异种金属的接头性能影响因素及改善措施

Influencing Factors and Improvement Measures of Joint Performance by Laser Fusion-Brazing Between Zinc-coated Steel and Aluminum Alloy

激光熔-钎焊是实现镀锌钢板/铝合金异种金属理想连接方式的重要焊接方法。对于焊接多材料车身结构,镀锌钢-铝激光异种金属焊接工艺可提供重要的技术参考。在介绍激光熔-钎焊方法优异性的基础上,综述了影响焊接接头性能的主要因素,并总结了改善接头性能采取的优化措施。

Laser fusion-brazing is an important way to achieve ideal connection of dissimilar metals for zinc-coated steel and aluminum alloys in automobile industry.For multiple material body structure welding,laser welding process between zinc-coated steel and aluminum alloys can provide an important technical reference for us.On the basis of the introduction about the advantage of this welding method,the main factors influencing the joint performance are summarized and some improvement measures are put forward.