任凤章,李玉娟,张旦闻,吴锐,田保红,王宇飞,魏世忠

• 1:河南科技大学材料科学与工程学院
• 2:洛阳理工学院机电工程系
• 3:有色金属共性技术河南省协同创新中心

摘要(Abstract)：

采用Cu-Al合金薄板内氧化和热挤压成型相结合的方法制备块体Cu-Al2O3复合材料。89.7 mm×0.5 mm的Cu-0.16 mass%Al合金圆薄片900℃×8 h内氧化后,经表面清理、叠层装入包套、密封和800℃热挤压,制备出了20 mm的Cu-Al2O3复合材料棒材(块体材料),并经冷拔制备出了生产所需的3 mm的线材产品。热挤压棒材和冷拔线材截面呈现出"年轮"结构。热挤压棒材的导电率为96.3%IACS,冷拔线材的导电率、屈服强度和抗拉强度分别为94.1%IACS、417 MPa和445 MPa。

关键词(KeyWords)： Cu-Al2O3复合材料;块体材料;内氧化;热挤压;显微组织;性能

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51201061);; 长江学者和创新团队发展计划(IRT1234);; 河南省科技创新人才计划(144200510009);; 河南省重点攻关(092102210012)

作者(Author): 任凤章,李玉娟,张旦闻,吴锐,田保红,王宇飞,魏世忠

DOI: 10.13289/j.issn.1009-6264.2015.05.009

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