TiAl合金是一种很有希望的航空、航天及汽车用高温结构材料,但是其较低的室温塑性限制了它的应用.快速凝固技术有望使其性能得到改善.综述了近年来快速凝固TiAl合金的研究进展,包括快速凝固工艺、合金的发展以及合金的组织演变及其特征、力学性能及添加合金化元素的作用、亚稳相的产生及稳定性以及快速凝固薄带或粉末的固结等. TiAl alloy is a promising high-temperature structural material for aerospace, aerospace and automotive applications, but its low room temperature plasticity limits its application.It is expected that the rapid solidification technology will improve the performance of TiAl alloy.In this paper, the rapid solidification of TiAl alloy Including the rapid solidification process, the development of alloys, the evolution of alloys and their characteristics, the mechanical properties and the effect of adding alloying elements, the production and stability of metastable phases and the consolidation of rapidly solidified ribbons or powders, etc. .