孙国强,刘勇,田保红,张毅,顾正彬

• 1:河南科技大学材料科学与工程学院
• 2:有色金属共性技术河南省协同创新中心
• 3:河南省有色金属材料科学与加工技术重点实验室
• 4:南京大学材料科学与工程系

摘要(Abstract)：

研究了冷变形量、时效温度和时效时间对Cu-0.8Mg-0.15Ce合金导电率和硬度变化规律的影响。结果表明,时效前进行冷变形处理可以显著提高合金的导电率和硬度;当合金经过60%冷变形,在时效温度450℃下时效2 h,其综合性能最好,导电率和显微硬度分别为48.3%·IACS和169 HV0.1;得到了Cu-0.8Mg-0.15Ce合金在450℃时效温度下的导电率方程和转变动力学方程。

关键词(KeyWords)： Cu-0.8Mg-0.15Ce合金;冷变形;时效;转变率;转变动力学方程

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(U1704143);; 河南省科技开放合作项目(182106000018)

作者(Author): 孙国强,刘勇,田保红,张毅,顾正彬

DOI: 10.13289/j.issn.1009-6264.2018-0508

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