Affiliation: | 1. College of Metallurgy and Material Engineering, Chongqing University of Science and Technology, Daxuecheng Donglu 20, Chongqing 401331, PR China;2. College of Aerospace Engineering, Chongqing University, Chongqing 400044, PR China;3. Department of Mechanical Engineering, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan;4. Department of Nanomechanics, Tohoku University, 6-6-01 Aramaki-Aza-Aoba, Aoba-ku, Sendai 980-8579, Japan |