作者单位:DONG Xue-wei,LI Xiang-feng,ZUO Dun-wen,WANG Hong-feng,WANG Ji-sheng(College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronauticas, Nanjing 210016, China)董学伟,黎向锋,左敦稳,汪洪峰,王吉胜(南京航空航天大学机电学院,江苏 南京210016)DONG Chun-lin,LI Guang(China FSW Center, Beijing 100024, China)董春林,李光(中国搅拌摩擦焊接中心,北京100024)