王德宝,吴玉程,王文芳,陈勇,邓景泉

• 1:合肥工业大学材料科学与工程学院
• 2:合肥工业大学材料科学与工程学院
• 3:合肥工业大学材料科学与工程学院
• 4:合肥工业大学材料科学与工程学院

摘要(Abstract)：

以Cu、Cr和稀土粉末为原料,采用机械合金化法制备Cu-15wt%Cr和Cu-15wt%Cr-RE复合粉末。利用X射线衍射仪、扫描电镜研究了球磨过程粉末的显微组织结构,测量不同球磨时间粉末的显微硬度。结果表明:随着球磨时间的延长,Cr在Cu中的固溶度显著提高,晶粒不断细化和微应变增加,导致粉末微观硬度的提高。在球磨过程中添加一定量的稀土可以促进机械合金化效果。

关键词(KeyWords)： 机械合金化;Cu-15wt%Cr复合粉末;稀土

Abstract:

Keywords:

基金项目(Foundation): 安徽省“十五”科技攻关项目(040020392);; 合肥市重点科技攻关项目(20051044)

作者(Author): 王德宝,吴玉程,王文芳,陈勇,邓景泉

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