(钢铁研究总院，北京 100081)
摘 要: 概述钢铁研究总院在Ti3Al合金和Ti2AlNb合金研究与应用方面取得的进展。钢铁研究总院现已通过系统的合金化和组织结构的设计，建立Ti3Al合金和Ti2AlNb合金具有自主知识产权的高韧性合金体系，合金综合性能达到国际先进水平；依托国内现有生产设备条件，建立合金制备加工工艺技术，形成小批量供货的能力；近年来，针对这两类合金应用在我国航空航天领域的研制工作进展顺利，所研制部件已在多个重要武器型号中开始应用。
关键字: Ti3Al合金；Ti2AlNb合金；合金化；制备技术；应用
（Central Iron and Steel Research Institute, Beijing 100081, China）
Abstract:The research and application progress of Ti3Al and Ti2AlNb based alloys in Central Iron and Steel Research Institute (CISRI) were summarized. A family of Ti3Al and Ti2AlNb based alloys with independent intellectual property rights was established in CISRI by alloying and designing on microstructure systematically. The comprehensive of mechanical properties of the alloys reaches the international advanced level. The manufacture processing of the alloys relying on the domestic equipments was built up and the ability to supply small-batch production was formed. The application research of the alloys on aerospcace and aeronautics service is going well. Some components are applied in some important weapon program.
Key words: Ti3Al based alloys; Ti2AlNb based alloys; alloying; manufacture technology; application
