钛铝合金高温腐蚀防护研究进展  

Research Progress on High-Temperature Oxidation Protection of TiAl Alloys

作　　者：叶鑫宇 伍廉奎 曹发和 Ye Xinyu;Wu Liankui;Cao Fahe(School of Materials,Sun Yat-sen University,Shenzhen 518107,China)

机构地区：[1]中山大学材料学院,广东深圳518107

出　　处：《稀有金属材料与工程》2025年第3期803-817,共15页Rare Metal Materials and Engineering

基　　金：国家自然科学基金(52271084,51971205);广东省基础与应用基础研究基金(2021B1515020056)。

摘　　要：钛铝合金因其低密度、高强度以及优异的抗蠕变性能等特点,被视为航空航天及其他高温应用领域极具潜力的材料。然而,在750℃以上环境中抗氧化性能不足限制了其广泛应用。本文综述了钛铝合金的分类、发展历程以及高温氧化行为,包括氧化膜的形成机制和结构演变,重点讨论了21世纪以来钛铝合金的制备技术、整体合金化、增强相技术和表面改性技术在提高合金抗高温氧化性能方面的研究进展,以及理论计算在研究合金氧化机制过程中的应用,并对该领域的发展趋势进行展望。The TiAl alloy is considered a promising material for aerospace and other high temperature applications due to its low density,high strength and excellent creep resistance.However,its application is currently limited by its poor oxidation resistance above 750℃.In this paper,the classification,development,and high temperature oxidation behavior of TiAl alloys were reviewed.The formation mechanism and structural evolution of oxide films were discussed.The research progress of the preparation processing,bulk alloying,reinforcing phase and surface modification technologies aimed at improving the high temperature oxidation resistance of TiAl alloys since the 21st century were summarized.Furthermore,the application of theoretical calculation in oxidation process was discussed and the development trend of this field was prospected.

关 键 词：钛铝合金 高温氧化 合金化 表面改性 理论计算 

分 类 号：TG174[金属学及工艺—金属表面处理]