激光焊接过程质量评价研究综述  

Review on Quality Evaluation of Laser Welding Process

作　　者：汤信 顾俊 刘钊鹏 张玲玲[2,4] 钟平 王健超[2] 张杰[2] Tang Xin;Gu Jun;Liu Zhaopeng;Zhang Lingling;Zhong Pin;Wang Jianchao;Zhang Jie(College of Science,Donghua University,Shanghai 201620,China;Shanghai Institute of Laser Technology,Shanghai,200233,China;Shanghai Engineering Research Center of Laser Intelligent Manufacturing,Shanghai 200233,China;Shanghai Laser DPM Traceability Engineering Research Center,Shanghai 200233,China)

机构地区：[1]东华大学理学院,上海201620 [2]上海市激光技术研究所,上海200233 [3]上海激光智能制造工程技术研究中心,上海200233 [4]上海激光直接物标溯源工程技术研究中心,上海200233

出　　处：《应用激光》2019年第6期1045-1054,共10页Applied Laser

基　　金：国家重点研发计划资助项目(项目编号:2018YFB1107801)。

摘　　要：现代激光焊接加工工艺具有焊接速度快、焊缝强度高等优点,但伴随而来的各种缺陷也成为限制激光焊接进一步提高的"瓶颈"。通过综述焊缝缺陷的形成机理介绍了焊接过程中物理现象、采集信号与焊接质量之间的关系,随后综述了不同传感技术的研究现状及发展趋势,分析了其各自的特点。最后,明晰了激光焊接过程质量评价方面需要进一步研究的内容。Modern laser welding technology has the advantages of fast welding speed,high weld strength and so on.By summarizing the formation mechanism of weld defects,this paper expounds the relationship between physical phenomena,acquisition signals and welding quality in the welding process,then summarizes the research status and development trend of different sensing technologies,and analyzes their respective characteristics.Finally,the content of quality evaluation of laser welding process that needs further study is clarified.

关 键 词：激光焊接 质量评价 焊接缺陷 传感器 机器视觉 

分 类 号：TP302.1[自动化与计算机技术—计算机系统结构]