刘勇,田保红,陈卫,周洪雷,张大华,刘平

• 1:河南科技大学材料科学与工程学院
• 2:洛阳船舶材料研究所
• 3:河南省有色金属材料科学与加工技术重点实验室

摘要(Abstract)：

采用内氧化法制备了Cu/Cr2O3弥散强化铜基复合材料,并利用SEM、TEM等分析手段对其性能和微观结构进行了分析。实验结果表明:随着内氧化时间和温度的增加,内氧化层深逐渐增大;随变形量的增加,试样硬度和抗拉强度逐渐升高,导电率略有降低;微观组织分析表明,在铜基体上弥散分布着大量细小均匀的Cr2O3颗粒,其粒径为5~20nm,颗粒间距为20~50nm。

关键词(KeyWords)： Cr2O3弥散铜;内氧化;显微硬度;导电率;抗拉强度

Abstract:

Keywords:

基金项目(Foundation): 河南省教育厅自然科学基金项目(2006430004);; 河南科技大学基金项目(2007ZY060);; 河南科技大学博士研究启动基金

作者(Author): 刘勇,田保红,陈卫,周洪雷,张大华,刘平

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