Analysis of Arc Physical Property of Pulsed Tungsten Inert Gas Welding Based on Fowler-Milne Method

doi:10.1007/s12204-013-1404-3

上海交通大学学报（英文版） ›› 2013, Vol. 18 ›› Issue (3): 343-347.doi: 10.1007/s12204-013-1404-3

Analysis of Arc Physical Property of Pulsed Tungsten Inert Gas Welding Based on Fowler-Milne Method

WANG Lin (汪琳), HUA Xue-ming* (华学明), XIAO Xiao (肖笑), LI Fang (李芳), WU Yi-xiong (吴毅雄)

(Welding Engineering Institute, Shanghai Jiaotong University; Shanghai Key Laboratory of Materials Laser Manufacturing and Modification, Shanghai 200240, China)

出版日期:2013-06-28 发布日期:2013-08-12
通讯作者: HUA Xue-ming (华学明) E-mail: xmhua@sjtu.edu.cn

Analysis of Arc Physical Property of Pulsed Tungsten Inert Gas Welding Based on Fowler-Milne Method

WANG Lin (汪琳), HUA Xue-ming* (华学明), XIAO Xiao (肖笑), LI Fang (李芳), WU Yi-xiong (吴毅雄)

(Welding Engineering Institute, Shanghai Jiaotong University; Shanghai Key Laboratory of Materials Laser Manufacturing and Modification, Shanghai 200240, China)

Online:2013-06-28 Published:2013-08-12
Contact: HUA Xue-ming (华学明) E-mail: xmhua@sjtu.edu.cn

摘要/Abstract

摘要： Pulsed tungsten inert gas (TIG) welding is widely used in industry due to its superior properties, so the measurement of arc temperature is important to analyse welding process. Arc image of spectral line in 794.8 nm is captured by high speed camera; both the Abel inversion and the Fowler-Milne method are used to calculate the temperature distribution of the pulsed TIG welding. Characteristic of transient variation in arc intensity and temperature is analyzed. When the change of current happens, intensity and temperature of arc jump as well, it costs several milliseconds. The further the axial position from the tungsten is, the greater the intensity jumps, and the smaller the temperature changes.

关键词: pulsed tungsten inert gas (TIG) welding, Fowler-Milne method, arc temperature, transient variation

Abstract: Pulsed tungsten inert gas (TIG) welding is widely used in industry due to its superior properties, so the measurement of arc temperature is important to analyse welding process. Arc image of spectral line in 794.8 nm is captured by high speed camera; both the Abel inversion and the Fowler-Milne method are used to calculate the temperature distribution of the pulsed TIG welding. Characteristic of transient variation in arc intensity and temperature is analyzed. When the change of current happens, intensity and temperature of arc jump as well, it costs several milliseconds. The further the axial position from the tungsten is, the greater the intensity jumps, and the smaller the temperature changes.

Key words: pulsed tungsten inert gas (TIG) welding, Fowler-Milne method, arc temperature, transient variation

中图分类号:

TG 403

WANG Lin (汪琳), HUA Xue-ming* (华学明), XIAO Xiao (肖笑), LI Fang (李芳), WU Yi-xiong. Analysis of Arc Physical Property of Pulsed Tungsten Inert Gas Welding Based on Fowler-Milne Method[J]. 上海交通大学学报（英文版）, 2013, 18(3): 343-347.

WANG Lin (汪琳), HUA Xue-ming* (华学明), XIAO Xiao (肖笑), LI Fang (李芳), WU Yi-xiong (吴毅雄). Analysis of Arc Physical Property of Pulsed Tungsten Inert Gas Welding Based on Fowler-Milne Method[J]. Journal of shanghai Jiaotong University (Science), 2013, 18(3): 343-347.

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Analysis of Arc Physical Property of Pulsed Tungsten Inert Gas Welding Based on Fowler-Milne Method

Analysis of Arc Physical Property of Pulsed Tungsten Inert Gas Welding Based on Fowler-Milne Method

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