1Thomas M W,Nicholas E D,Needham J C,et al.Friction Stir Welding.GB Patent Application,99125978[P].1991-12 -08
2Packer S.et al.Tool and Equipment Requirements for FSW Ferrous and Other High Melting Temperature Alloys[C].Proc.of the 4th Int'l Symp.on FSW.2003.Park City.USA
3Marie F.et al,Development of the Bobbin Tool Technique on VariousAluminum Alloys[C].Proc.of 5th Int'l Symposium on Friction Stir Welding,Metz,France,14～ 16 Sept.2004
