航空发动机用先进高温钛合金材料技术研究与发展  

Research and Development of Some Advanced High Temperature Titanium Alloys for Aero-engine

作　　者：蔡建明 弭光宝[1] 高帆[1] 黄浩[1] 曹京霞[1] 黄旭[1] 曹春晓[1] 

机构地区：[1]北京航空材料研究院先进钛合金航空科技重点实验室,北京100095

出　　处：《材料工程》2016年第8期1-10,共10页Journal of Materials Engineering

基　　金：国家自然科学基金资助项目(51471155);中航工业技术创新基金资助项目(2014E62149R)

摘　　要：新一代高推重比航空发动机压气机和涡轮系统高温环境使用的叶片、盘、机匣、整体叶盘和整体叶环等构件设计通常选用先进高温钛合金材料。本文综述近年来我国600℃高温钛合金、阻燃钛合金、TiAl合金、连续SiC纤维增强钛基复合材料及其应用技术取得的最新研究进展,并提出材料及构件设计、加工和使用亟待突破的关键技术,包括工业铸锭成分高纯化和均匀化控制技术、大规格棒材及特殊锻件制备技术、整体叶盘和整体叶环零件机械加工技术、材料性能评价及应用设计技术等。先进高温钛合金材料的不断应用将有力推动我国航空发动机技术发展。Some advanced high temperature titanium alloys are usually selected to be manufactured into blade,disc,case,blisk and bling under high temperature environment in compressor and turbine system of a new generation high thrust-mass ratio aero-engine.The latest research progress of 600℃ high temperature titanium alloy,fireproof titanium alloy,TiAl alloy,continuous SiC fiber reinforced titanium matrix composite and their application technology in recent years in China were reviewed in this paper.The key technologies need to be broken through in design,processing and application of new material and component are put forward,including industrial ingot composition of high purified and homogeneous control technology,preparation technology of the large size bar and special forgings,machining technology of blisk and bling parts,material property evaluation and application design technique.The future with the continuous application of advanced high temperature titanium alloys,will be a strong impetus to the development of China＇s aero-engine technology.

关 键 词：先进航空发动机 600℃高温钛合金 阻燃钛合金 TIAL合金 SIC纤维增强钛基复合材料 钛火 

分 类 号：TG146.2[一般工业技术—材料科学与工程]