| 铝锂合金搅拌摩擦焊接技术的研究现状及其发展方向 |
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| 引用本文： | 李玉龙,袁天保,陈玉波,王家发,罗键.铝锂合金搅拌摩擦焊接技术的研究现状及其发展方向[J].电焊机,2019,49(2):6-13. |
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| 作者姓名： | 李玉龙 袁天保 陈玉波 王家发 罗键 |
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| 作者单位： | 中国人民解放军96901部队,北京,100091;福州大学机械工程及自动化学院,福建福州,350108 |
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| 摘 要： | 铝锂合金是一种密度低、比强度高、抗腐蚀性好的新型铝合金,是用于航空航天领域实现轻量化的理想材料。搅拌摩擦焊技术作为一项新型固相连接技术,能有效克服熔化焊接中出现的气孔、热裂纹等缺陷,在铝锂合金焊接领域具有广阔的应用前景。从铝锂合金搅拌摩擦焊焊接工艺、焊接接头组织性能等多个方面对铝锂合金搅拌摩擦焊进行综述,总结国内外研究现状,并展望铝锂合金搅拌摩擦焊接技术未来发展。
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| 关 键 词： | 铝锂合金 搅拌摩擦焊 焊接工艺 微观组织 力学性能 |
Research status and development direction of friction stir welding technology for Al-Li alloy |
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| LI Yulong,YUAN Tianbao,CHEN Yubo,WANG Jiafa,LUO Jian.Research status and development direction of friction stir welding technology for Al-Li alloy[J].Electric Welding Machine,2019,49(2):6-13. |
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| Authors: | LI Yulong YUAN Tianbao CHEN Yubo WANG Jiafa LUO Jian |
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| Affiliation: | (Unit 96901 of People's Liberation Army,Beijing 100091,China;College of Mechanical Engineering & Auto-mation,Fuzhou University,Fuzhou 350108,China) |
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| Abstract: | Al-Li alloy is a new type of aluminum alloy with low density,high specific strength and corrosion resistance.It is an ideal material for realizing lightweight in aerospace field.Friction stir welding technology,as a new solid-phase joining technology,can effectively reduce the defects such as porosity and thermal cracks in fusion welding of al-li alloy,and has a wide application prospect in the field of al-li alloy welding.The friction stir welding technology of al-li alloy,the microstructure and properties of welded joints and the research status at home and abroad are summarized,and the future development of friction stir welding technology of al-li alloy is prospected. |
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| Keywords: | aluminum lithium alloy friction stir welding welding technology microstructure mechanical properties |
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