作者单位:ZHOU Kai,SUN Bao-Lian,LI Bo,YANG Ping-Ping(Northwest Institute For Non-Ferrous Metal Research, Xi'an ShannXi, 710016, China)周恺,孙宝莲,李波,杨平平(西北有色金属研究院,陕西西安710016)LI Guo-Ping(Xi'an University of Architecture and Technology, Xi'an ShannXi, 710055, China)李国平(西安建筑科技大学,陕西西安710055)