王俊峰,贾淑果,陈少华,刘平,宋克兴

• 1:河南科技大学材料科学与工程学院

摘要(Abstract)：

对经过连铸连轧的Cu-Ni-Si-Mg合金进行时效处理,研究了时效温度和时效时间对合金组织和性能的影响。结果表明:该合金经时效后,析出相呈弥散分布;在同一时效温度下,电导率在初期迅速上升,之后逐渐平缓;当时效时间相同时,时效温度越高,电导率越大。随着时效温度的升高,合金的显微硬度峰值越低,到达峰值所用的时间越短。热轧态Cu-Ni-Si-Mg合金经450℃时效2 h后,可以获得相对良好的综合性能,其显微硬度达到231 HV,电导率达到34%IACS。

关键词(KeyWords)： Cu-Ni-Si合金;时效;电导率;显微硬度

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51075122);; 河南省高校科技创新团队支持计划(2012IRTSTHN008);; 河南省高等学校青年骨干教师资助计划(09003047);; 河南科技大学科研创新培育基金(2010CZ0008)

作者(Author): 王俊峰,贾淑果,陈少华,刘平,宋克兴

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