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The Influence of Longitudinal Magnetic Field on the CO2 Arc Shape

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【作者】 常云龙； 刘明旭； 路林； A.S.BABKIN； Bo-Young LEE；

【Author】 CHANG Yunlong;LIU Mingxu;LU Lin;A.S.BABKIN;Bo-Young LEE;Institute of Material Science and Engineering,Shenyang University of Technology;Metallurgical Institute,Lipetsk State Technical University;School of Aerospace and Mechanical Engineering,Korea Aerospace University,Goyang,Gyeonggi-do 412-791,Republic of Korea;

【机构】 Institute of Material Science and Engineering,Shenyang University of Technology； Metallurgical Institute,Lipetsk State Technical University； School of Aerospace and Mechanical Engineering,Korea Aerospace University,Goyang,Gyeonggi-do 412-791,Republic of Korea；

【摘要】 The CO2 arc welding was carried out under a longitudinal magnetic field,and the arc shape has been studied by using a high-speed camera.From the camera images,we know that under the action of the longitudinal magnetic field,the upper end of the arc will constrict and the lower end of the arc will expand.It would become a bell-type shape and rotate at a highspeed in the optimum range of magnetic field parameters.The arc shape was simulated using a mathematical model,which was established based on experiment data and theoretical knowledge,and mechanism analysis has been carried out regarding the effect of longitudinal magnetic field on CO2 welding arcs.

【Abstract】 The CO arc welding was carried out under a longitudinal magnetic field,and the arc shape has been studied by using a high-speed camera.From the camera images,we know that under the action of the longitudinal magnetic field,the upper end of the arc will constrict and the lower end of the arc will expand.It would become a bell-type shape and rotate at a highspeed in the optimum range of magnetic field parameters.The arc shape was simulated using a mathematical model,which was established based on experiment data and theoretical knowledge,and mechanism analysis has been carried out regarding the effect of longitudinal magnetic field on CO2 welding arcs.

【关键词】 longitudinal magnetic field； high-speed camera； the arc of CO2 welding； computer simulation technology；
【Key words】 longitudinal magnetic field； high-speed camera； the arc of CO2 welding； computer simulation technology；
【基金】 supported by National Natural Science Foundation of China(No.51275314);the Program of Science and Technology Foundation of Shenyang,China(F13-316-1-04)
  • 【文献出处】 Plasma Science and Technology ,等离子体科学和技术(英文版) , 编辑部邮箱 ,2015年04期
  • 【分类号】O441.4
  • 【被引频次】16
  • 【下载频次】85
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