分类号C22F1/08 C22C9/00 B22F1/00 C22C1/04 B22F9/08 C22C1/02 申请(专利权)人 【中文】中南大学【EN】CENTRAL SOUTH University 地址【中文】410083 湖南省长沙市岳麓区麓山南路932号【EN】Yuelu District City, Hunan province 410083 Changsha Lushan Road No. 932 发明(设计)人 【中文】刘祖铭 ; 赵凡 ; 黄伯云 ; 吕学谦 ; 李全 ; 彭凯 ; 陈仕奇【EN】Liu Zuming ; Zhao Fan ; Huang Boyun ; Lv Xueqian ; Li Quan ; Peng Kai ; Chen Shiqi 进入国家阶段日期 专利代理机构【中文】长沙市融智专利事务所 43114【EN】Changsha Rongzhi Patent Agency （general partnership） 代理人【中文】蒋太炜【EN】Jiang Taiwei 专利类型发明专利 摘要【中文】本发明涉及一种高性能铜合金及其粉末制备方法。所述铜合金包括Cu、Cr、Zr及M。其中，Cr的质量百分数为0.1～5.0％；Zr的质量百分数为0.1～5.0％；M由Mg、Ag、B、Ga、Si、Li、Ti、Fe、Mn中的至少2种与RE组成，M的质量百分数为0.05～0.5％；RE选自Ce、La、Yb、Pr、Nd、Sm中的至少3种。本发明采用气体雾化制备Cu‑Cr‑Zr‑M铜合金粉末，粉末为成分均匀、显微组织细小的过饱和固溶体，本发明制备工艺简单，所得粉末颗粒细小、粒径分布均匀、球形度好。用该粉末制备的块体材料具有电学性能和力学性能优异的特点。 【EN】The invention relates to a high-performance copper alloy and a preparation method of powder thereof. The copper alloy comprises Cu, Cr, Zr and M. Wherein the mass percent of Cr is 0.1-5.0%; the mass percent of Zr is 0.1-5.0%; m consists of RE and at least 2 of Mg, Ag, B, Ga, Si, Li, Ti, Fe and Mn, and the mass percentage of M is 0.05-0.5%; RE is at least 3 selected from Ce, La, Yb, Pr, Nd and Sm. The Cu-Cr-Zr-M copper alloy powder is prepared by gas atomization, the powder is a supersaturated solid solution with uniform components and fine microstructure, the preparation process is simple, and the obtained powder has fine particles, uniform particle size distribution and good sphericity. The block material prepared by the powder has the characteristics of excellent electrical property and mechanical property. 全文下载 下载