Affiliation: | LIU Hou-cai1,2,MO Jian-hua1,LIU Hai-tao1 (1. State Key Laboratory of Material Processes , Die & Mould Technology,Huazhong University of Science , Technology,Wuhan 430074,China,2. College of Electromechanical Engineering,Hunan University of Science , Technology,Xiangtan 411201,China) |