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LIU Deshen, LI Huan, WANG Xuyou, WANG Wei, GAO Ying. Effect of laser on pulsed MAG arc radiation[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2011, (12): 21-24.
Citation: LIU Deshen, LI Huan, WANG Xuyou, WANG Wei, GAO Ying. Effect of laser on pulsed MAG arc radiation[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2011, (12): 21-24.
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Effect of laser on pulsed MAG arc radiation

  • 1.

    Tianjin Key Laboratory of Advanced Joining Technology, Tianjin University, Tianjin 300072, China

  • 2.

    Harbin Welding Institute, Harbin 150080, China

  • 3.

    Tianjin Key Laboratory of High Speed Cutting and Precision Machining, Tianjin University of Technology and Education, Tianjin 300222, China

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  • Received Date: October 28, 2010
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  • The laser-pulsed MAG hybrid welding system and acquisition system were set up to get the electric signal and arc spectrum under the conditions with and without laser. To analyze the relationship between arc energy input and the spectral radiation intensity of FeII274.648, FeI382.043, FeI492.050 and ArI801.479 using the method of linear fit. Studies have shown that the spectral radiation intensity of the four feature spectrum lines are proportion to arc energy input. With the same arc energy input, the arc radiation intensity of hybrid welding is smaller than the one of pulsed MAG welding. This is because the metal vapor and plasma produced by laser may absorb the arc plasma radiation.
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