孙慧丽,张毅,柴哲,田保红,刘勇,许倩倩

• 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

摘要(Abstract)：

对Cu-Zr-Nd固溶合金进行不同程度的冷变形和时效处理工艺,研究了变形量、温度和时效时间对合金导电率和硬度的影响。结果表明,时效前对合金进行冷变形加工可以大大加快析出相的析出,有效提高合金的导电率和硬度。当合金经60%变形后,在500℃时效1 h后,其显微硬度和导电率可以达到141 HV和91.2%IACS。同时,在500℃时效时,通过导电率的变化,计算出了时效过程中新相的转变率f,并建立了该合金的相变动力学方程和导电率方程。

关键词(KeyWords)： Cu-Zr-Nd合金;冷变形;时效;转变率;相变动力学方程

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51101052);; 河南省重点科技攻关项目(152102210074);; 河南省高等学校青年骨干教师资助计划(2012GGJS-073);; 河南科技大学青年学术带头人启动基金(13490001)

作者(Author): 孙慧丽,张毅,柴哲,田保红,刘勇,许倩倩

DOI: 10.13289/j.issn.1009-6264.2016.09.016

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