Shaanxi Key Laboratory of Friction Welding Technologies, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, China
Achilleas Vairis
Department of Mechanical Engineering, School of Technology, TEI of Crete, P.O. Box 1939, Estavromenos, 71004 Heraklion, Greece
R. Mark Ward
School of Metallurgy and Materials, University of Birmingham, Birmingham B15 2TT, UK
