TiAl-Si合金的发展——综述
Development of TiAl-Si Alloys-A Review.
作者信息
Knaislová Anna, Novák Pavel, Cabibbo Marcello, Jaworska Lucyna, Vojtěch Dalibor
机构信息
Department of Metals and Corrosion Engineering, University of Chemistry and Technology, Prague, Technická 5, 166 28 Prague, Czech Republic.
DIISM/Università Politecnica delle Marche, Via Brecce Bianche 12, 60131 Ancona, Italy.
出版信息
Materials (Basel). 2021 Feb 22;14(4):1030. doi: 10.3390/ma14041030.
This paper describes the effect of silicon on the manufacturing process, structure, phase composition, and selected properties of titanium aluminide alloys. The experimental generation of TiAl-Si alloys is composed of titanium aluminide (TiAl, TiAl or TiAl) matrix reinforced by hard and heat-resistant titanium silicides (especially TiSi). The alloys are characterized by wear resistance comparable with tool steels, high hardness, and very good resistance to oxidation at high temperatures (up to 1000 °C), but also low room-temperature ductility, as is typical also for other intermetallic materials. These alloys had been successfully prepared by the means of powder metallurgical routes and melting metallurgy methods.
本文描述了硅对铝化钛合金制造工艺、结构、相组成及选定性能的影响。TiAl-Si合金的实验生成物由硬质且耐热的硅化钛（尤其是TiSi）增强的铝化钛（TiAl、TiAl或TiAl）基体组成。这些合金的特点是耐磨性与工具钢相当、硬度高、在高温（高达1000°C）下具有非常好的抗氧化性，但室温延展性低，其他金属间化合物材料也有这种典型情况。这些合金已通过粉末冶金路线和熔铸冶金方法成功制备出来。
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