航空发动机用惯性摩擦焊接关键技术研究现状、应用及展望

Research Status， Application and Prospect of Key Technologies in Inertial Friction Welding for Aero-engines

摘要:

惯性摩擦焊作为一种先进的固相焊接工艺，以其绿色、高效及优异的焊接质量在航空发动机转子组件制造上得到了广泛应用。本文系统总结了近年来各方学者在航空用钛合金与高温合金的惯性摩擦焊接头的微观组织、力学性能及数值模拟等方面的研究成果，针对航空用大吨位、高精密惯性摩擦焊机及在各型先进航空发动机转子组件上的应用进行了总结概括，未来研究应着力解决新材料、新结构的工程应用中的关键技术难题，并对未来发展方向进行了展望，惯性摩擦焊技术的持续创新也将为新一代航空发动机的高性能、轻量化与可靠性提供关键技术支撑。

Abstract:

Inertial friction welding (IFW), as an advanced solid-state welding process, has been widely applied in the manufacturing of aero-engine rotor components due to its green, efficient, and superior welding quality. This review systematically summarizes the research achievements in recent years regarding the microstructure, mechanical properties, and numerical simulation of IFWed joints of aviation titanium alloys and superalloys. It also summarizes the large-tonnage, high-precision IFW equipment for aerospace and their application in various types of advanced aero-engine rotor components. Future research should focus on addressing key technical challenges in the engineering application of new materials and new structures. This review also presents prospects for future development, highlighting that continuous innovation of IFW technique will provide critical technical support for achieving the high performance, lightweight design, and enhanced reliability of the new generation of aero-engines.