[1] Beihang Univ, Sch Mech Engn & Automat, Beijing 100191, Peoples R China
[2] Beihang Univ, Jiangxi Res Inst, Nanchang 330096, Peoples R China
[3] TANGSTEEL Co, R&D Ctr, HBIS Grp, Tangshan 063016, Peoples R China
[4] Harbin Inst Technol Weihai, Shandong Prov Key Lab Special Welding Technol, Weihai 264209, Peoples R China
[5] Tsinghua Univ, Beijing Electron Microscope Ctr, Beijing 100084, Peoples R China