... 电极内缩长度 electrode setback 小孔效应 keyhole effect 小孔型等离子弧焊 keyhole-mode welding ...
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After widely analyzing the existing research works on deep penetration laser welding, in view of the existing problems, the keyhole effects in deep penetration laser welding are theoretically and experimentally studied in this paper.
本文在分析现有激光深熔焊接研究成果的基础上，针对现有研究存在的主要问题，采用理论研究和试验研究相结合的方法，对激光深熔焊接过程中的小孔效应进行了较深入系统的研究。
参考来源 - 激光深溶焊接小孔效应的理论和试验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
小孔效应是深熔焊接中的特征现象。
And the keyhole is characteristics of deep penetration laser welding.
电子束焊接具有显著的小孔效应，这一特点决定着电子束焊接过程和普通熔化焊不同，并对其焊接应力和变形产生重要影响。
Electron beam welding has significant keyhole effect, it induces the electron beam welding different from general melting, and also important influence on its welding stresses and distortion.
针对激光小孔效应焊过程中等离子体辐射出特征光并伴随特征声的现象，提出了采用光声信号联合实时监测激光焊接质量的方案。
A quality monitoring system has been developed for laser-welded tinplate using specific optic and acoustic signals generated by the plasma during "keyhole" welding.
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