| 光谱学与光谱分析 |
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| Calculation and Analysis of Arc Temperature Field of Pulsed TIG Welding Based on Fowler-Milne Method |
| XIAO Xiao1,2, HUA Xue-ming1,2*, WU Yi-xiong1,2, LI Fang1,2 |
1. Welding Engineering Technology Research Institute of Materials Science and Engineering and Shanghai Jiaotong University, Shanghai 200240, China
2. Shanghai Key Laboratory of Materials Laser Processing and Modification, Shanghai Jiaotong University, Shanghai 200240, China |
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Abstract Pulsed TIG welding is widely used in industry due to its superior properties, and the measurement of arc temperature is important to analysis of welding process. The relationship between particle densities of Ar and temperature was calculated based on the theory of spectrum, the relationship between emission coefficient of spectra line at 794.8 nm and temperature was calculated, arc image of spectra line at 794.8 nm was captured by high speed camera, and both the Abel inversion and Fowler-Milne method were used to calculate the temperature distribution of pulsed TIG welding.
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Received: 2012-04-01
Accepted: 2012-07-06
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Corresponding Authors:
HUA Xue-ming
E-mail: xmhua@sjtu.edu.cn
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