中文摘要：

概述了粉末冶金技术的优势，简要介绍了镍基高温合金、钛基合金、难熔金属、超高温合金、氧化物弥散强化合金和喷涂合金粉末等几种典型的航空发动机用粉末冶金材料。重点阐述了镍基高温合金粉末钛基合金粉末和喷涂合金粉末的制备关键和研究热点，分析了热等静压、喷射成形、注射成形和快速成形工艺的特点和发展状况。最后指出了粉末冶金技术在航空发动机中的应用潜力和研究方向。

英文摘要：

An overview of the advantages of powder metallurgy technology is provided. Several typical kinds of P/M materials used in aero-engine, such as Ni-based superalloy, Ti-based alloys, refractory alloys, Ultra high temperature alloys, oxide dispersion strengthened alloys and thermal spraying powder were introduced. The main focus is on the elucidation of the key fabrication technologies and hot topics on the preparation of Ni-based superalloy powder, Ti-based alloy powder and thermal spraying powder. The characteristics and research progress of the main forming technologies of hot isostatic pressing, spay forming, powder injection molding and rapid forming were summarized. The typical P/M components used in aero-engine were listed. The potential applications and research directions of powder metallurgy technologies were put forward.