非连续增强钛基复合材料的研究现状及应用进展  

Development and Application of Discontinuously Reinforced TitaniumMatrix Composites

作　　者：潘宇 况帆 路新 PAN Yu;KUANG Fan;LU Xin(Institute of Engineering Technology,University of Science and Technology Beijing,Beijing 100083,China;Beijing Advanced Innovation Center for Materials Genome Engineering,Beijing 100083,China)

机构地区：[1]北京科技大学工程技术研究院,北京100083 [2]北京材料基因工程高精尖创新中心,北京100083

出　　处：《材料导报》2024年第21期175-184,共10页Materials Reports

基　　金：国家自然科学基金(52274359;52304379);北京市自然科学基金(2212035);中国博士后创新人才支持计划(BX20220034);中国博士后科学基金面上项目(2022M720403)。

摘　　要：非连续增强钛基复合材料(DRTMCs)较钛合金基体具有更高的强度、硬度,优异的耐磨和耐热性能,满足高新技术领域对高性能结构材料的苛刻使用要求,在航空航天、国防军工、汽车制造等领域应用前景广阔。本文针对非连续增强钛基复合材料中基体与增强相的设计及增强相制备技术进行综述,尤其是新兴的碳纳米材料增强相以及激光增材制造技术对DRTMCs组织、性能的影响,重点总结了DRTMCs的后续热变形、热处理及多元多尺度和仿生结构复合材料设计的研究进展,介绍其工程应用的发展现状,提出了研究中的现存问题及具有潜力的发展方向,对进一步提高钛基复合材料综合性能、加快其产业化应用进程具有重要意义。Discontinuously reinforced titanium matrix composites(DRTMCs)exhibit promising applications in aerospace,military,automotive manufacturing and other fields due to their high strength,high stiffness,excellent wear and heat resistance compared to traditional titanium alloys,meeting the demanding requirements of high-performance materials in high-tech fields.Herein,this paper reviews the design and preparation of matrix and reinforcements in DRTMCs,with a particular focus on the emerging carbon nanomaterial reinforcements and the impact of laser additive manufacturing techniques on the structure and properties of DRTMCs.The recent development in subsequent hot deformation and heat treatment of DRTMCs as well as in the mechanism of multi-phase and multi-scale reinforcement are discussed emphatically.Moreover,the engineering application developments of DRTMCs are also presented.In addition,the existing problems in the research as well as the potential research directions are pointed out.It will provide useful information to further improve the comprehensive performance of DRTMCs and accelerate their industrial applications.

关 键 词：钛基复合材料 制备方法 增强相 热加工 强韧化机理 

分 类 号：TG146.23[一般工业技术—材料科学与工程]