贾淑果,陈少华,宋克兴,刘平,苏娟华

• 1:河南科技大学材料科学与工程学院
• 2:河南省有色金属材料科学与加工技术重点实验室
• 3:中铝洛阳铜业有限公司

摘要(Abstract)：

采用真空熔炼的方法制备了Cu-0.1Ag-0.26Cr合金,通过显微硬度、电导率测试等方法,对合金的时效性能进行了研究,利用Avrami方程结合时效过程中电导率的变化分析了合金的相变动力学。结果表明:试验合金在450℃时效2 h达到电导率和显微硬度的良好结合,导电率87.36%IACS,显微硬度125 HV;合金在500℃时效时的相变动力学方程为f=1-exp(-0.1305t0.3709),导电率方程为σ=54.82+35.33×(1-exp(-0.1305t0.3709))。

关键词(KeyWords)： 铜合金;时效;相变动力学;电导率

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51075122);; 河南省高等学校青年骨干教师资助计划(09003047);; 河南省教育厅科技攻关项目(2009A430007);; 河南科技大学科研创新能力培育基金项目(2010CZ0008)

作者(Author): 贾淑果,陈少华,宋克兴,刘平,苏娟华

DOI: 10.13289/j.issn.1009-6264.2011.s1.022

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