金属与塑料激光连接的研究现状与展望

doi:10.3901/JME.2020.06.085

摘要/Abstract

摘要： 总结了近年来金属与塑料激光连接的国内外研究成果，分别从工艺研究、温度场模拟、气泡产生及抑制和接头性能调控等四个方面分析了金属与塑料激光连接的难点及存在的主要问题。首先对金属与塑料的连接工艺进行讨论，阐明激光功率、焊接速度和离焦量等参数对接头强度的影响，并介绍了工艺参数的优化方法；概括了有限元温度场模拟计算对接头宽度和强度的预测效果；通过总结气泡的产生过程，阐述了其对接头性能的影响；并从金属与塑料的连接机理角度阐述了接头性能调控的手段。最后对金属与塑料的研究目前仍存在的问题进行总结，并对其发展做出展望。

关键词: 金属/塑料, 激光连接, 温度场模拟, 气泡, 性能调控

Abstract: The studies on the laser joining of metal to plastic in recent years are summarized, and the problems as well as difficulties in the laser joining process are analyzed. The research status is discussed from the following aspects：joining characteristics, simulation of temperature field at the interface, generation and suppression of gas bubbles and regulation of joint performance. In the discussion of the process, the effect of laser power, welding speed and defocus distance on the strength of joints is concluded, and the optimization methods of process parameters are introduced. The temperature field simulation calculation of finite element model on the joint width and strength is then summarized. The influence of gas bubbles on the performance of joints is stated after concluding the formation of bubbles. The way to regulate the joint strength is summarized according to the joining mechanism for metal and plastic. The potential problems are pointed out, and the conclusions and prospects for laser joining of metal to plastic are finally disclosed.

Key words: metal and plastic, laser joining, simulation of temperature field, gas bubbles, performance regulation

中图分类号:

TG456

檀财旺, 苏健晖, 冯紫微, 陈波, 宋晓国, 冯吉才. 金属与塑料激光连接的研究现状与展望[J]. 机械工程学报, 2020, 56(6): 85-94.

TAN Caiwang, SU Jianhui, FENG Ziwei, CHEN Bo, SONG Xiaoguo, FENG Jicai. Research Status and Development on Laser Joining of Metal to Plastic[J]. Journal of Mechanical Engineering, 2020, 56(6): 85-94.

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