Fu Xuemin, Jiang Jiaxin, Jiang Xiaosong
School of Intelligent Manufacturing and Equipment, Chengdu Textile College, Chengdu 611731, China.
School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China.
Materials (Basel). 2022 Aug 3;15(15):5350. doi: 10.3390/ma15155350.
The existence of a small amount of rare earth metal oxides (REMOs) can greatly affect the structure and function of copper matrix composites owing to improvement of surface and interface properties between REMOs and metal matrix, and there are still some challenges concerning interfaces and complex interfacial reactions. This review summarizes the interfacial characteristics and strengthening mechanisms of REMO-reinforced copper matrix composites, including fabrication methods for solving rare earth metal oxide-dispersion problems and characterization of the microstructure and properties of REMO-reinforced copper matrix composites. In particular, the strengthening effects of various rare earth metal oxide-reinforced copper matrix composites are systematically summarized. The interface characteristics of composites from a thermodynamics standpoint and the strengthening mechanism are emphatically investigated and discussed in order to help unveil design principles and to provide reference for future research of REMO-reinforced copper matrix composites.
少量稀土金属氧化物(REMOs)的存在会极大地影响铜基复合材料的结构和功能,这是由于REMOs与金属基体之间表面和界面性能的改善所致,并且在界面和复杂的界面反应方面仍然存在一些挑战。本文综述了REMO增强铜基复合材料的界面特性和强化机制,包括解决稀土金属氧化物分散问题的制备方法以及REMO增强铜基复合材料的微观结构和性能表征。特别地,系统总结了各种稀土金属氧化物增强铜基复合材料的强化效果。从热力学角度着重研究和讨论了复合材料的界面特性及强化机制,以有助于揭示设计原理,并为REMO增强铜基复合材料的未来研究提供参考。