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Volume 19 Issue 5
Sep.  2013
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Plasma control in high-power CO2 laser welding

  • This paper analysed the formation mechanism of plasma in high-power CO2 laser welding,and systematically summarized the controlling methods for plasma. Finnally,discussed the role of assist-gas for plasma.
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  • [1]

    Dixon R D, Lewis G K. The influence of plasma during laser welding. Inter Congress on Appl, of LasersElectro-optics '83, Proc. of the Mater Proves Symp, Boston, USA 1983, Published by Laser Institute of America, Boston, USA,1983;38:44-49
    [2]

    Ishide T. Fundamental study of laser plasma reduction method in high power CO2 laser welding. Proc of Laser Advanced Mater Procees '87, Osaka, High Temperature Society of Japan, 1987;15-17
    [3]

    Sutliff D R, Mccay T D. Mccay M H. Welding Journal, 1992; (6):219-224
    [4]

    Estill W B, Firmisano B D. Porosity decrease in laser welding of stainless steel using plasma control, Inter Congress on Appl. of lasersElectrooptics '83, Proc, of the Mater Proves Symp, Boston, USA. 1983;38:67-71
    [5]

    Locke E V, Hoag E D. Hella R A. IEEE J Q E, 1980:8(2):L32-135
    [6]

    Migamoto I, Maruo H, Arata Y. The role of assist gas in CO2 laser welding, Inter Congress on Appl. of lasersElectrooptics'83, Proc, of the Mater Proves Symp, Boston, USA 1983, Published by laser Institute of America,Boston, USA, 1984; 44; 68-75
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Plasma control in high-power CO2 laser welding

  • 1. Institute of Laser Technology & Engineering.HUST

Abstract: This paper analysed the formation mechanism of plasma in high-power CO2 laser welding,and systematically summarized the controlling methods for plasma. Finnally,discussed the role of assist-gas for plasma.

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