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光电偶效应和光束整形对激光稳定气体保护焊接的增益

HERMSDORF J?rg KAIERLE Stefan

HERMSDORF J?rg, KAIERLE Stefan. 光电偶效应和光束整形对激光稳定气体保护焊接的增益[J]. 中国光学, 2014, 7(1): 112-117. doi: 10.3788/CO.20140701.0112
引用本文: HERMSDORF J?rg, KAIERLE Stefan. 光电偶效应和光束整形对激光稳定气体保护焊接的增益[J]. 中国光学, 2014, 7(1): 112-117. doi: 10.3788/CO.20140701.0112
HERMSDORF J?rg, KAIERLE Stefan. Benefits of optogalvanic effect and beam shaping for laser stabilized GMA welding[J]. Chinese Optics, 2014, 7(1): 112-117. doi: 10.3788/CO.20140701.0112
Citation: HERMSDORF J?rg, KAIERLE Stefan. Benefits of optogalvanic effect and beam shaping for laser stabilized GMA welding[J]. Chinese Optics, 2014, 7(1): 112-117. doi: 10.3788/CO.20140701.0112

光电偶效应和光束整形对激光稳定气体保护焊接的增益

doi: 10.3788/CO.20140701.0112
基金项目: 

German Federal Ministry of Education and Research(BMBF) within the Framework Concept "Research for Tomorrow's Production"(No.02PB2051);Project Management Agency Forschungszentrum Karlsruhe,Production and Manufacturing Technologies Division(PTKA-PFT)

详细信息
    通讯作者:

    KAIERLE Stefan,E-mail:s.kaierle@lzh.de

  • 中图分类号: TG403

Benefits of optogalvanic effect and beam shaping for laser stabilized GMA welding

Funds: 

German Federal Ministry of Education and Research(BMBF) within the Framework Concept Research for Tomorrow's Production(No.02PB2051);Project Management Agency Forschungszentrum Karlsruhe,Production and Manufacturing Technologies Division(PTKA-PFT)

  • 摘要: 为了开发和改进激光诱导稳定焊接加工技术,需要通过激光辐射使电弧的导电率达到最大值。光电偶效应是控制该过程的主导因素,该过程的优化将会保证电弧的稳定性。光电偶效应提高了等离子体粒子电离的概率,从而提高了电弧的导电率。激光光子和氩原子之间的电子-原子碰撞相互作用产生了带电粒子。电离率越高,电弧的导电率就越高。为了充分利用光电偶效应,我们还应考虑工件上的光束焦点位置、光束形状和激光波长因素。
  • [1] STUTE U,KLING R,HERMSDORF J. Interaction between electrical arc and Nd:YAG laser radiation[J]. Annals of the CIRP,2007,56(1):197-200. [2] HERMSDORF J,OTTE F,KLING R. Development of the LGS-GMA welding process[C]. Proceedings of the Fifth International WLT-Conference on Lasers in Manufacturing,Munich,June 2009. [3] CUI H. Untersuchungen der Wechselwirkung zwischen Schweisslichtbogen und fokussiertem Laserstrahl und der Anwendungsmoeglichkeit kombinierter Laser-Lichtbogentechnik; GKSS-Forschungszentrum Geesthacht GmbH 1991, ISSN0344-9629. [4] CUI H,DECKER I,PURSCH H,RUGE J,WENDELSTORF J,WOHLFAHRT H. Laserinduziertes Fokussieren des WIG-Lichtbogens[J]. Schweiβen und Schneiden. DVS-Bericht,1992(146):139-143. [5] KIM J K,LIM H S,CHO J H,KIM C H. Bead-on-plate weldability of Al 5052 alloy using a disk laser[J]. AMME,2008,28(2):189. [6] ZHU X,NUR A H,MISRA P. Laser optogalvanic wavelength calibration with a commercial hollow cathode iron-neon discharge lamp[J]. Spectroscopy Radiation Transfer,1994,52(2):167-17. [7] GOLDSMITH J E M,LAWLER J E. Optogalvanic spectroscopy[J]. Contemp. Phys.,1981,22(2):235-248 [8] NIST.Physical Measurement Laboratory.[2013-09-17].[EB/OL].http://physics.nist.gov.
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出版历程
  • 收稿日期:  2013-10-11
  • 修回日期:  2013-12-13
  • 刊出日期:  2014-01-25

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