公开(公告)号：EP1606074A4

公开(公告)日：2008-08-27

申请号：EP04707105

申请日：2004-01-30

申请人： SMITH INTERNATIONAL ,  ADVANCED METAL PRODUCTS INC ,  UNIV BRIGHAM YOUNG

发明人： STEEL RUSSELL ,  NELSON TRACY W ,  SORENSON CARL D ,  PACKER SCOTT

IPC分类号： B23K20/12 ,  B23K20060101 ,  B23K20/227 ,  B23K37/00 ,  B23K37/053 ,  B23K37/06

CPC分类号： B23K20/126 ,  B23K20/1235 ,  B23K20/1255 ,  B23K20/227 ,  B23K37/0531 ,  B23K37/06 ,  B23K2201/06 ,  B23K2203/05

摘要： A system and method for performing friction stir welding of non-planar materials having high melting temperatures, wherein a process is provided for performing longitudinal and radial welds on objects such as pipes (23 and 26), flanges, tanks, and shrouds, and wherein an active or passive mandrel (21) provides support for the friction stir welding process.