摘要
铝合金在汽车车身材料中的应用是实现汽车结构轻量化的重要途径,而钢/铝异种材料连接方法的研究则是解决铝合金在汽车车身材料中应用的关键.本文对近年来钢/铝异种材料连接方法的研究成果进行了总结,涉及的连接方法包括电弧熔钎焊、激光焊接、电阻点焊和搅拌摩擦焊等;重点讨论了文献中钢/铝异种材料连接接头在静拉伸载荷作用下的强度和失效模式,以方便设计人员根据实际生产的需要进行相应的选择;还讨论了钢/铝异种材料连接方法的发展趋势.
Aluminum alloys have been proved to be the most acceptable material for weight reduction for automobile bodies. Therefore the process to join aluminum alloys to the traditional material such as low carbon steel has to be developed in vehicle body assembly. The methods to join aluminum alloy to steel material, including arc welding/brazing, laser welding, resistance spot welding, and friction stir welding, were collected and discussed in the paper. To help the designer to estimate the joint strength of various methods, the joint strengths and failure modes of steel/Al dissimilar materials joint under static tensile loading were focused on. Moreover, the trend of the joining method for dissimilar materials is also discussed.
出处
《北京工业大学学报》
CAS
CSCD
北大核心
2014年第3期451-459,共9页
Journal of Beijing University of Technology
基金
国家自然科学基金资助项目(51005004)
北京市自然科学基金资助项目(3132006)
高等学校博士学科点专项科研基金资助项目(20101103120023)
关键词
钢
铝异种材料接头
接头强度
失效模式
汽车车身结构
焊接
steel/Al dissimilar materials joint
joint strength
failure mode
vehicle body structure
welding
