Study on arc stability of SACTIG and VPTIG (I) - Details

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Abstract：

The　welding　current,　arc　voltage　and　shape　of　sine　alternative　current　tungsten　inert　gas　(SACTIG)　welding　and　variable　polarity　tungsten　inert　gas　(VPTIG)　welding　were　collected　by　high-speed　camera　system　and　welding　arc　analyzer.　The　relation　between　welding　are　stability　and　associated　parameters　during　the　passing　zero　time　of　SACTIG　and　VPTIG　welding　current　was　analyzed.　The　studied　results　indicated　that　(50　Hz)　SACTIG　arc　may　go　out　and　reignite　during　changing　polarity.　While　welding　current　increases　to　a　threshold　the　arc　will　not　go　out.　The　higher　reignition　voltage　will　cause　the　longer　arc　going　out,　so　the　arc　stability　becomes　worse.　If　reignition　voltage　is　equal　to　arc　voltage,　the　arc　will　not　go　out.

Keyword：

Voltage control Image processing Cameras Electric current control Stability Polarization Electric arcs Inert gas welding

Author Community：

[ 1 ] [Fang, Chen-Fu]College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100022, China
[ 2 ] [Fang, Chen-Fu]Provincial Key Laboratory of Advanced Welding Technology, Jiangsu University of Science and Technology, Zhenjiang 212003, China
[ 3 ] [Chen, Shu-Jun]College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100022, China
[ 4 ] [Liu, Jia]College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100022, China
[ 5 ] [Yin, Shu-Yan]College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100022, China
[ 6 ] [Song, Yong-Lun]College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100022, China
[ 7 ] [Li, Huan]Material College, Tianjin University, Tianjin 300072, China
[ 8 ] [Hou, Run-Shi]Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China
[ 9 ] [Wen, Yong-Ping]Provincial Key Laboratory of Advanced Welding Technology, Jiangsu University of Science and Technology, Zhenjiang 212003, China

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Email：

krdfangchenfu@yahoo.com.cn

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Source ：

Transactions of the China Welding Institution

ISSN： 0253-360X

Year： 2005

Issue： 12

Volume： 26

Page： 1-5

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WoS CC Cited Count：

SCOPUS Cited Count：

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 7

Affiliated Colleges：

材料科学与工程学院本学院/部未明确归属的数据

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