在航空航天领域，大量采用整体化结构设计和耐高温轻量化材料是提高飞行器的性能的有效手段，采用钛合金熔模精密铸造技术可低成本实现复杂结构件的批量化生产。 数值模拟可有效提升钛合金精密铸件的开发效率并降低生产成本，TiAl 合金比常规钛合金有更好的轻质耐高温性能，更有利于提高飞行器的马赫数。 本文综述了目前数值模拟技术和 TiAl 基金属间化合物在钛合金精密铸造技术中的研究进展，并从产业化角度展望了未来发展趋势。

In the aerospace field, the extensive use of integrated structural design and high-temperature lightweight materials is an effective means to increase the performance of aircraft. The use of titanium alloy investment casting technology can achieve low-cost mass production of complex integrated structural components. Numerical simulations can effectively improve the development efficiency of titanium alloy investment casting parts and reduce production costs. TiAl alloys, with better lightweight and high-temperature resistance than conventional titanium alloys do, are more conducive to increasing the Mach number of aircraft. This article reviews the current research progress in numerical simulation technology and TiAl intermetallic compounds in the investment casting technology of titanium alloys and looks forward to future development trends from an industrialization perspective.