| Micro-mechanical properties of 2219 welded joints with twin wire welding |
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| 引用本文： | 徐文立,李庆芬,孟庆国,方洪渊,高娜.Micro-mechanical properties of 2219 welded joints with twin wire welding [J].中国焊接,2006(3). |
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| 作者姓名： | 徐文立 李庆芬 孟庆国 方洪渊 高娜 |
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| 作者单位： | School of Mechanical and Electrical Engineering Harbin Engineering University，State Key Laboratory of Advanced Welding Production Technology Harbin Institute of Technology Harbin 150001，School of Mechanical and Electrical Engineering Harbin Engineering University，State Key Laboratory of Advanced Welding Production Technology Harbin Institute of Technology，State Key Laboratory of Advanced Welding Production Technology Harbin Institute of Technology，State Key Laboratory of Advanced Welding Production Technology Harbin Institute of Technology，Harbin 150001，Harbin 150001，Harbin 150001，Harbin 150001，Harbin 150001 |
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| 基金项目： | The project is supported by Postdoctoral Science Fund of China and Postdoctoral Fund of Heilongjiang Province. |
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| 摘 要： | 0IntroductionWith the rapid developmentof modern manufacturing,applications of aluminum alloy welded structures with bigthickness are becoming more and more widely. As a kindof efficient welding method, twin wire welding has suchmerits as big deposition rate, little heat input and narrowheat-affected zone. At the same time, the defects such asincomplete penetration, discontinuous beam or undercutcan be avoided effectively1 -5]. 2219 aluminum alloy hasthe wider application foreground due to it…
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