作者单位:Wang qiangbing(Xi'an Jiaotong University;Northwest Nonferrous Metal Research Institute;Statc Key Laboratory of porous metal material)汪强兵(西安交通大学;西北有色金属研究院;金属多孔材料国家重点实验 710016)Tang huiping,Wang jian,Li gang,Yang baojun(Northwest Nonferrous Metal Research Institute;Statc Key Laboratory of porous metal material)汤慧萍,王建,李刚,杨保军(西北有色金属研究院;金属多孔材料国家重点实验 710016)