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  4. 纤维相复合Cu-Ag合金组织、性能及合金化的研究与发展

材料导报, 2006, 20(10): 87-91.

纤维相复合Cu-Ag合金组织、性能及合金化的研究与发展

贺佳 1, , 刘嘉斌 2, , 孟亮 3,

1.浙江大学材料与化学工程学院,杭州,310027

2.浙江大学材料与化学工程学院,杭州,310027

3.浙江大学材料与化学工程学院,杭州,310027

基金项目:   国家自然科学基金(50371076)  

关键词： Cu-Ag合金 , 显微组织 , 力学性能 , 电导率 , 合金元素

Research and Development on Microstructure, Properties and Alloying of Cu-Ag Filamentary Composites

介绍了纤维相复合强化Cu-Ag合金导体材料复合纤维组织形成方法、力学性能、导电性能及微合金化等方面的研究现状,提出了存在的问题及发展方向.纤维相复合强化Cu-Ag合金中的纳米双相纤维复合组织依靠强烈冷变形过程原位形成,具有优良强度和电导率,材料成分、应变程度、中间热处理及最终热处理决定材料中溶质固溶程度、两相比例、组织组成物体积分数、显微组织形态及纤维组织分布,进而决定纤维复合组织中的应变硬化水平及电子散射行为.添加某些第三组元能够改善合金强度但同时降低电导率.为促进这种新型导体材料进一步发展并应用,应继续深入研究不同条件下材料的强化规律、导电行为及制造技术.

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