| 小电流TIG焊电弧磁控特性的研究 |
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| 引用本文： | 张九海,王其隆,韦伟平. 小电流TIG焊电弧磁控特性的研究[J]. 焊接学报, 1990, 11(1): 43-49 |
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| 作者姓名： | 张九海 王其隆 韦伟平 |
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| 作者单位： | 哈尔滨工业大学，哈尔滨工业大学，哈尔滨工业大学 副教授，教授，硕士 |
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| 摘 要： |
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| 关 键 词： | 焊接 电弧 磁感应 磁控 特性 |
| 收稿时间： | 1989-06-20 |
A STUDY OF THE CHARACTERISTICS OF MAGNETIC CONTROL FOR LOW CRRENT TIC WELDING |
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| Zhang Jiuhai,Wang Qilong and Wei Weiping. A STUDY OF THE CHARACTERISTICS OF MAGNETIC CONTROL FOR LOW CRRENT TIC WELDING[J]. Transactions of The China Welding Institution, 1990, 11(1): 43-49 |
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| Authors: | Zhang Jiuhai Wang Qilong Wei Weiping |
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| Affiliation: | Harbin Institute of Technology |
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| Abstract: | In this paper,the problems of arc wandering and instability have been studied with extra transversal magnetic field for low current TIG welding.The influence of extra magnetic field frequency(0~10kHz) on the arc appearance has been observed.The arc swing is in synchronism with magnetic field in low frequency,so the arc appearance is expanded.The arc is calmed in medium frequency,and is compressed in high frequency,thus increasing the arc energy density,the arc stiffness and the arc voltage.When other conditions remain unchanged,with increased intensity of magnetic field the said phenomena are intensified accordingly.Experiment results of welding thin sheet indicate that by using magnetic field to control the arc,the wandering of arc can be restrained and the arc stability and shape improved markedly. |
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| Keywords: | Arc Magnetic induction Drifting |
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