(江苏科技大学 海洋装备研究院增材制造研发中心,镇江 212003)
摘 要: Al/Cu复合结构是将纯Al和纯Cu通过特定的机械或冶金方法结合在一起的典型的层状双金属复合材料,具有导电性能优异、质轻、价格低等特性,已成为广泛的研究热点。本文介绍了Al/Cu复合材料金属间化合物的种类及物理性质,阐述了界面扩散反应行为的影响因素。综述了国内外关于Al/Cu复合材料的制备工艺及界面组织性能的研究进展,并对复合界面研究方向和采用增材制造技术制备Al/Cu复合结构的改进方向进行了展望,为Al/Cu复合结构的制备提供关键的理论依据和技术支撑。
关键字: Al/Cu复合;扩散;金属间化合物;制备工艺;界面;激光增材制造
(Research Center of Additive Manufacturing, Marine Equipment and Technology Institute, Jiangsu University of Science and Technology, Zhenjiang 212003, China)
Abstract:Cu/Al composite structure is typical bimetallic composite material that combine pure Al and pure Cu mechanically or metallurgically by specific method. Due to the characteristics of excellent conductivity, light weight and low price, it has become the focus of extensive research. The physical properties and kinds of intermetallic compounds in Al/Cu composites were introduced, and the effect factors of interface diffusion reaction behavior were illustrated. The preparation, interface microstructure and performances of Al/Cu composite were reviewed. The research direction of composite interface and the improvement direction of Al/Cu composite structure prepared by additive manufacturing were prospected. It provides key theoretical basis and technical support for the preparation of Al/Cu composite structure.
Key words: Al/Cu composite; diffusion; intermetallic compounds; preparation technique; interface; laser additive manufacturing