Friction Stir Welding in Large 6063Al Extrusions Manufacturing
- 作者：Guohong LUANSanbao LINPeng CHAIHui LI
- 会议时间：2012-10-18
- 关键词：Friction Stir Welding ; 6063Al alloys ; large Al extrusion manufacturing ; FSW Welder
- 作者单位：Guohong LUAN,Peng CHAI,Hui LI(China FSW Center, BAMTRI, P.O.Box340, Beijing 100024, China)Sanbao LIN(Harbin Institute of Technology, Harbin 150001, China)
- 母体文献：第二届搅拌摩擦焊国际会议论文集
- 会议名称：第二届搅拌摩擦焊国际会议
- 会议地点：北京
- 主办单位：中国搅拌摩擦焊中心
- 语种：chi
摘要
Large welded aluminum extrusions can be applied in high-speed train,automotive and aerospace industries.The application of Friction Stir Welding in large aluminum extrusions manufacturing including the welding ability of 6063 Al alloy,the manufacturing technology,and the purpose-built FSW welder and jigs is briefly introduced in this paper.Through the study of the tensile strength,impact value,hardness and microstructure of the joints,the FSW manufacturing technology of the 6063Al alloy has been optimized.The results indicate that,high parameters match (both rotation speed and traverse speed are high) is more suitable for 6063A1 alloy joining.The tensile strength of the FSW joints can normally attain 80% of the base metal.But with the increase of the welding travel speed and the pin-tool rotation speed,the strength of the weld has been obviously improved,and can get culmination of 90% of base metal.The impact value of FSW joints has also been significantly improved comparing with base metal in this study.