航空航天用钛合金盘件开发与应用

摘要

钛及钛合金具有比强度高、耐腐蚀、耐高温等优良性能,在航空航天、舰艇、化工等领域得到日益广泛的应用.阐述了航空航天用钛合金盘件的研究现状,重点介绍了高性能钛合金盘件的制备工艺,包括粉末冶金热等静压成形和超塑性等温锻造成形.分析了钛合金盘件在航空航天领域的应用现状,并探讨了航天航空用钛合金盘件的发展趋势.%Titanium and its alloys, owned the excellent properties in combination of specific strength, corrosion resistance, high thermal - resistance, have been applied widely in the fields of aviation and space, chemistry etc.In this paper, the research status of titanium discs in aerospace was demonstrated, and the means and technologies of manufacture which mainly include powder metallurgy, hot isopressing, and isothermal forging in superplasticity were introduced.The application currency and development trendency of titanium alloy discs in aerospace were also overviewed and analyzed respectively.