刘学然,刘勇兵,曹占义,冉旭,郭秀艳

• 1:吉林大学汽车材料教育部重点实验室
• 2:吉林大学汽车材料教育部重点实验室
• 3:吉林大学汽车材料教育部重点实验室
• 4:吉林大学汽车材料教育部重点实验室

摘要(Abstract)：

采用机械合金化方法制备Cu-4wt%C过饱和固溶体,通过SEM和XRD分析研究了机械合金化中Cu-C复合粉末的形貌变化及碳在铜中的固溶度扩展问题。结果表明,机械合金化过程中Cu粉和C粉形成了层状复合粉末;随着球磨时间的增加,C的衍射峰逐渐消失,Cu的衍射峰逐渐宽化,并且位置发生偏移;球磨24h后,C原子固溶到Cu中,Cu的点阵常数达到0.3620nm,晶格膨胀了0.15%。

关键词(KeyWords)： 机械合金化;Cu-C复合粉末;过饱和固溶体;固溶度;点阵常数

Abstract:

Keywords:

基金项目(Foundation): 国家教委博士点基金资助项目(20030183067);; 吉林大学研究生创新基金(工学403035)

作者(Author): 刘学然,刘勇兵,曹占义,冉旭,郭秀艳

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