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材料工程  2014, Vol. 0 Issue (6): 1-4    DOI: 10.11868/j.issn.1001-4381.2014.06.001
  材料与工艺 本期目录 | 过刊浏览 | 高级检索 |
异种铝合金搅拌摩擦焊材料流动行为研究
李继忠1, 马正斌1,2, 董春林1, 栾国红1
1. 北京航空制造工程研究所 中国搅拌摩擦焊中心, 北京 100024;
2. 西北工业大学, 西安 710072
Material Flowing Behaviors of Friction Stir Welding by Dissimilar Aluminum Alloys
LI Ji-zhong1, MA Zheng-bin1,2, DONG Chun-lin1, LUAN Guo-hong1
1. China Friction Stir Welding Center, Beijing Aeronautical Manufacturing Technology Research Institute, Beijing 100024, China;
2. Northwestern Polytechnical University, Xi'an 710072, China
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摘要 采用异种铝合金交替排列的方法,研究了搅拌摩擦焊接过程中材料的变形和流动行为。结果表明:采用垂直焊缝交替排列的焊缝表面形成了两套弧纹,其中粗大弧纹是由于在焊接方向上两种铝合金交替排列而产生的周期性变化所致;受焊速和转速的影响,材料在前进侧流动剧烈且混合均匀,而后退侧因材料流动较弱仍与母材保持连续分布状态;由于材料塑性变形程度的差异,在轴肩影响区、搅拌针影响区和母材之间形成了明显的分界面。
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李继忠
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关键词 搅拌摩擦焊异种铝合金材料流动行为    
Abstract:Dissimilar aluminum alloys with two types of alternate arrangement were carried out for studying material transformation and flowing during friction stir welding for material flowing. The results show that two types of rippling intervals are formed on the surface of weld with perpendicular arrangement to weld line, in which the coarse rippling intervals contributes to the cyclical gradient fluctuating material in the traverse direction. In advancing side, the intensity of material flowing and mixture is higher than that of retreating side, and the marker materials keep consecutive distribution with basal zone in the retreating side. As a result of different deformation in the weld, the boundaries are clearly formed between shoulder affected zone, probe affected zone and base metal.
Key wordsfriction stir welding    dissimilar aluminum alloy    material flowing behavior
收稿日期: 2012-11-27      出版日期: 2014-06-20
中图分类号:  TG453  
基金资助:航空科学基金资助项目(2010112503)
作者简介: 李继忠(1982- ),男,高级工程师,博士,主要从事搅拌摩擦焊接工艺方面的研究,联系地址:北京航空制造工程研究所107室(100024),E-mail:lijizhong@cfswt.com
引用本文:   
李继忠, 马正斌, 董春林, 栾国红. 异种铝合金搅拌摩擦焊材料流动行为研究[J]. 材料工程, 2014, 0(6): 1-4.
LI Ji-zhong, MA Zheng-bin, DONG Chun-lin, LUAN Guo-hong. Material Flowing Behaviors of Friction Stir Welding by Dissimilar Aluminum Alloys. Journal of Materials Engineering, 2014, 0(6): 1-4.
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http://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2014.06.001      或      http://jme.biam.ac.cn/CN/Y2014/V0/I6/1
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