Ti_(2)AlNb基金属间化合物:研究进展、挑战及展望  

Ti_2AlNb-based intermetallic compounds:Research progress,challenges and prospects

作　　者：刘泽栋 杨劼人 陈瑞润[2] 杜赵新[3] LIU Ze-dong;YANG Jie-ren;CHEN Rui-run;DU Zhao-xin(College of Materials Science and Engineering,Sichuan University,Chengdu 610065,China;College of Materials Science and Engineering,Harbin Institute of Technology,Harbin 150001,China;College of Materials Science and Engineering,Inner Mongolia University of Technology,Hohhot 010051,China)

机构地区：[1]四川大学材料科学与工程学院,成都610065 [2]哈尔滨工业大学材料科学与工程学院,哈尔滨150001 [3]内蒙古工业大学材料科学与工程学院,呼和浩特010051

出　　处：《中国有色金属学报》2023年第12期4039-4058,共20页The Chinese Journal of Nonferrous Metals

基　　金：国家自然科学基金资助项目(52074229,52171113);四川省重点研发计划资助项目(23ZDYF0546,SC2022A1C01J);成都市科技局科技人才资助项目(2022-RC03-00001-CG)。

摘　　要：自1988年印度学者BANERJEE等在Ti_(3)Al-Nb的增韧研究中首次发现具备有序正交结构的Ti_(2)AlNb(O)相,基于O相命名的Ti_(2)AlNb基金属间化合物由于其出色的比强度、抗氧化性及优异的综合高温性能,逐渐进入人们的研究视野,并在航空航天领域热端部件展现出广阔的应用潜力。本文主要从组织结构调控、成分优化设计、制备加工工艺三个方面,结合国内外最近研究,对Ti_(2)AlNb合金进行综述与回顾,并提出Ti_(2)AlNb合金未来发展亟待解决的一些问题和展望。Since 1988,Indian scholar BANERJEE et al first discovered the Ti_(2AlNb) phase with an ordered orthogonal structure during their research on the toughening of Ti3Al-Nb.Ti_2AlNb-based intermetallic compounds,named after the Ti_(2AlNb) phase,have gradually gained attention in the research field due to their excellent specific strength,oxidation resistance,and comprehensive high-temperature properties.These compounds have shown significant potential for applications in the aerospace industry.In this paper,the Ti_(2AlNb) alloy was briefly reviewed from three aspects:structure control,composition optimization design,preparation,and processing technology.This review was based on recent research conducted both domestically and internationally,including the author's latest work on directional annealing.Additionally,some challenges and prospects for the future development of the Ti_(2AlNb) alloy are discussed.

关 键 词：Ti_(2)AlNb合金 显微组织 成分优化 制备工艺 定向退火 

分 类 号：TG146.4[一般工业技术—材料科学与工程]