细金属间化合物颗粒增强Mg Li基复合材料研究进展-中国材料进展

文章信息/Info

Title:: Progress in Research of Ultrafine Intermetallic Compound Particles Reinforced Mg Li Matrix Composites

Author(s):: WU Guoqing; ZHANG Qingqing; HUANG Zheng; (School of Materials Science and Engineering, Beihang University, Beijing 100191, China)

摘要:: 颗粒增强Mg Li基复合材料作为一种新型的超轻结构材料，以其高的比强度、比刚度，良好的阻尼减震及电磁屏蔽性，在航天航空领域与交通运输、电子包装、体育用品等民用领域具有广阔应用的前景。从复合材料的组织表征、力学性能、制备方法及加工工艺等方面，概述了超细金属间化合物颗粒增强MgLi基复合材料制备技术的进展和研究状况；阐述了超细金属间化合物颗粒增强Mg Li 基复合材料的界面及强韧化机制，着重介绍了包含过渡型界面层与强化机制的模型计算，及其在金属间化合物增强Mg Li基复合材料中的实验验证，并结合模型探讨了金属间化合物增强MgLi基复合材料的断裂模式及机制；最后，结合目前发展中所面临的机遇和问题，展望了超细颗粒增强MgLi基复合材料的未来方向及发展趋势。

Abstract:: Particles reinforced Mg Li matrix composites, as an emerging super light structural metallic material, have been expected to be widely used in aerospace and civil fields, such as transportation, electronics packaging and sports industry for their high specific strength and specific stiffness, good damping and electromagnetic shielding properties. Firstly, the research status of ultrafine intermetallic compound particles reinforced MgLi matrix composites including applications, microstructures, mechanical properties and processing technologies were summarily related. Secondly, the progress 〖JP〗in the research of ultrafine intermetallic compound particles reinforced MgLi matrix 〖JP+1〗composites were expounded. Especially for the simulation model incorporating transition interface layer and strengthening mechanism, their test verification in ultrafine compound particles reiforced MgLi matrix composites were emphatically introduced. Finally, the prospects on the research direction and development tendency of ultrafine intermetallic compound particles reinforced MgLi matrix composites were expected based on the opportunities and problems in future.