| Research and engineering application of the arc welding pulsed controller technology |
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| 作者姓名： | 李桓 崔嘉 牛永 杜乃成 |
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| 作者单位： | School of Materials Science and Engineering Tianjin University Tianjin 300072，School of Materials Science and Engineering Tianjin University Tianjin 300072，School of Materials Science and Engineering Tianjin University Tianjin 300072，School of Materials Science and Engineering Tianjin University Tianjin 300072 |
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| 基金项目： | SupportedbyNatureScienceFoundationChina(50375005). |
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| 摘 要： | 0IntroductionSubmerged arc welding(SAW)is a welding processwhere the arc burns under flux[1].Automatic SAW hasbeen widely put into practice in the fields of ship-building,energy industry and mechanical engineering for its high ef-ficiency,good quality,flexibility of adjustment and fairlynice working condition.In a word,SAW can carry outwelding of high quality with high current at high speed.High heat input is usually applied for more depositedmetal when SAWis used to weld thick plate.In …
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