微束等离子焊接电弧光学特征的试验研究.PDFVIP

See discussions, stats, and author profiles for this publication at: /publication/289164777 Experimental study on characteristics of micro-plasma welding arc Article in Shanghai iaotong Daxue Xuebao/ ournal of Shanghai iaotong University · November 2008 CITATIONS READS 0 14 4 authors, including: iang-wei Ren Shanghai University of Engineering Science 19 PUBLICATIONS 67 CITATIONS SEE PROFILE Some of the authors of this publication are also working on these related projects: laser welding of dissimilar nonferrous metals View project NSFC View project All content following this page was uploaded by iang-wei Ren on 07 April 2016. The user has requested enhancement of the downloaded file. 　42 上 海 交 通 大 学 学 报 Vol.42 Sup.　 　2008 11 JOURNA L OF SHANGHAI JIAOT ONG UNIVERSITY Nov.2008　 　　:1006-2467 (2008)S-014 -03 马春伟, 　徐培全, 　任江伟, 　何建萍 ( , 201760) 　:在大量试验的基础上,给出了超小电 微束等离子焊接电弧形态特征及光谱的频域测试 结果.根据试验结果可以看出,焊接电弧形态变化取决于焊接参数的变化, 谱线的波长范围在 750 ～850 nm;微束等离子焊接电弧光谱分布并不随焊接规范的变化而变化.但是, 随着焊接电 强度 的增加, 电弧中出现近紫外线谱线. :微束等离子;焊接电弧;光谱分布 :TG 483　　　:A Experimental St udy on Characterist ics of Micro-plasma Welding Arc M A Chun -wei, 　X U P ei-quan, 　RE N J i ang -w ei, 　H E J ian -p ing (School.of Materials Engineering, Shanghai University of Engineering Science Shanghai 201760, China) Abst ract :The testing results of the shape of w eld arc and w elding arc spectrum distribution along w ave- length w indow w ere presented based on a lot of experiments.It can be seen that the shape of w eld arc changes w ith the changing of w elding parameters.In the mean time, the range of welding arc w avelength ma