粉末冶金法制备颗粒增强镁基复合材料的研究进展  

Research progress in the preparation of particle-reinforced magnesium matrix composites by powder metallurgy

作　　者：任峰岩 许磊[1] 历长云[1] 米国发[1] 王有超[1] REN Feng-yan;XU Lei;LI Chang-yun;MI Guo-fa;WANG You-chao(School of Materials Science and Engineering,Henan Polytechnic University,Jiaozuo 454000,China)

机构地区：[1]河南理工大学材料科学与工程学院

出　　处：《粉末冶金技术》2020年第1期66-73,共8页Powder Metallurgy Technology

基　　金：河南省高等学校重点科研项目计划资助项目(19B430002)

摘　　要：概述了粉末冶金法制备颗粒增强镁基复合材料的研究进展,介绍了颗粒增强镁基复合材料的常用基体和微米级、纳米级增强体。重点阐述了粉末冶金法制备颗粒增强镁基复合材料的工艺,包括增强体预处理工艺、混合粉体成形工艺及烧结工艺。总结了粉末冶金制备工艺对复合材料组织与力学性能的影响规律,包括增强体–基体界面结合情况的研究和颗粒增强体强化机制的探究。最后,对粉末冶金法制备颗粒增强镁基复合材料的发展前景进行了展望,并提出改进措施。The research and development of particle-reinforced magnesium matrix composites prepared by powder metallurgy were summarized in this paper, the substrate and the micron-scale/nanoscale reinforcements commonly used for the particle-reinforced magnesium matrix composites were introduced. The powder metallurgy process was systematically described, including the pretreatment process of reinforcements, the molding process of mixed powders, and sintering process. The influence of powder metallurgy technology on the microstructure and mechanical properties of the composite was investigated, including the interface bonding between reinforcement and matrix and the particle reinforcement strengthening mechanism. Finally, the development prospect for the preparation of the particle-reinforced magnesium matrix composites by powder metallurgy was expected, and the improvement measures were proposed.

关 键 词：粉末冶金法 颗粒增强体 镁基复合材料 研究进展 

分 类 号：TB331[一般工业技术—材料科学与工程]