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Zhao Jiarui, Zhang Dongyuan, Sun Dong, Lu Dongping, Hu Shengsun. STUDIES OF ARC STABILITY IN HIGH FREQUENCY PULSED TIG WELDING WITH RECTANGULAR WAVES[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 1988, (3): 171-180.
Citation: Zhao Jiarui, Zhang Dongyuan, Sun Dong, Lu Dongping, Hu Shengsun. STUDIES OF ARC STABILITY IN HIGH FREQUENCY PULSED TIG WELDING WITH RECTANGULAR WAVES[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 1988, (3): 171-180.
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STUDIES OF ARC STABILITY IN HIGH FREQUENCY PULSED TIG WELDING WITH RECTANGULAR WAVES

  • Tianjin University

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  • Received Date: June 13, 1988
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  • In the pulsed TIG welding of thin plates with low current, the stability of welding arc is the key problem. This paper describes our systematical studies of this problem with a photo-spectrum measuring system controlled by a microcomputer and a 100MHz oscilloscope of type V-1050F. Using the photo-spectrum method and analyzing the dynamic characteristics of the arc, the authors have found a method of assessing the arc stability and also the factors affecting the arc stability studies.Certain measures controlling the stability of pulsed TIG welding arc and a new process of high frequency Ar-N2 arc welding have been proposed.
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