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基于光谱诊断的氩氮TIG焊电弧物理特性分析

肖笑, 张柯柯, 李芳, 华学明

肖笑, 张柯柯, 李芳, 华学明. 基于光谱诊断的氩氮TIG焊电弧物理特性分析[J]. 焊接学报, 2019, 40(12): 59-62. DOI: 10.12073/j.hjxb.2019400313
引用本文: 肖笑, 张柯柯, 李芳, 华学明. 基于光谱诊断的氩氮TIG焊电弧物理特性分析[J]. 焊接学报, 2019, 40(12): 59-62. DOI: 10.12073/j.hjxb.2019400313
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XIAO Xiao, ZHANG Keke, LI Fang, HUA Xueming. Analysis of arc physical property in argon-nitrogen TIG welding based on spectral diagnosis[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2019, 40(12): 59-62. DOI: 10.12073/j.hjxb.2019400313
Citation: XIAO Xiao, ZHANG Keke, LI Fang, HUA Xueming. Analysis of arc physical property in argon-nitrogen TIG welding based on spectral diagnosis[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2019, 40(12): 59-62. DOI: 10.12073/j.hjxb.2019400313
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基于光谱诊断的氩氮TIG焊电弧物理特性分析

  • 1.

    河南科技大学, 洛阳 471023;上海市激光制造与材料改性重点试验室, 上海 200240

  • 2.

    河南科技大学, 洛阳 471023

  • 3.

    上海市激光制造与材料改性重点试验室, 上海 200240

基金项目: 国家自然科学基金项目（51705137）；中国博士后科学基金第63批面上项目（2018M632770）；河南省国际科技合作项目（172102410079）

Analysis of arc physical property in argon-nitrogen TIG welding based on spectral diagnosis

  • 1.

    Henan University of Science and Technology, Luoyang 471023, China;Shanghai Key Laboratory of Materials Laser Processing and Modification, Shanghai 200240, China

  • 2.

    Henan University of Science and Technology, Luoyang 471023, China

  • 3.

    Shanghai Key Laboratory of Materials Laser Processing and Modification, Shanghai 200240, China

摘要

    摘要
  • 摘要: 混合气体保护焊能够提高焊接质量及生产效率，由于混合气体保护焊电弧成分复杂多变，对其物理性能等的研究具有一定的难度. 文中以氩氮混合气体钨极惰性气体保护焊（TIG焊）电弧为研究对象，采用双电荷耦合元件（CCD）电弧光谱图像采集试验系统，获取氩氮混合气体TIG焊电弧Ar I及N I的特征谱图像的动态分布；结合双元素双组分标准温度法对不同浓度（50%Ar + 50%N2，80%Ar + 20%N2及100%Ar）的氩氮电弧进行光谱诊断. 结果表明，电弧半径最高收缩50%左右，温度最高升高12%. 通过对氩氮电弧物理性能的定量分析为研究混合气体保护焊焊缝成形的本质奠定了理论基础.
    Abstract: Hybrid shielding gas was often used in arc welding to improve its quality and speed. The research of its physical property is difficult, since the composition in hybrid shielding gas welding is complicated and variable. Arc plasma in argon-nitrogen tungsten inert gas (TIG) welding was chose as the research object, the double charge coupled device (CCD) experimental system was setup to obtain spectrum image of Ar I and N I, Fowler-Milne method was used to calculated the temperature and mole fraction distribution in 50%Ar + 50%N2,80%Ar + 20%N2 and 100%Ar arc plasma. The results showed that the radius shrinkage can reach 50%, and the temperature raise ccan reach 12% in 50%Ar + 50%N2 arc plasma. It provides the theory basis for the research of weld seam forming essence through the analysis of the physical property of argon-nitrogen arc plasma.
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    • 参考文献(11)
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  • 收稿日期:  2019-01-14

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