Affiliation: | KONG Ling-bin1,2*,ZHANG Jing1,CAI Jian-jun1,YANG Zhen-sheng1,LUO Yong-chun2 and KANG Long2 1. State Key Laboratory of Gansu Advanced Non-ferrous Metal Materials,2. School of Materials Science and Engineering,Lanzhou University of Technology,Lanzhou 730050,P. R. China |