【综 述】SiO₂基陶瓷型芯高温性能强化的研究现状

占红星 芦 刚 严青松 晏玉平 陈邦浪

(南昌航空大学轻合金加工科学与技术国防重点学科实验室)

摘 要：介绍了涡轮发动机空心叶片用SiO₂基陶瓷型芯的应用背景，及其对硅基陶瓷型芯进行高温强化的重要意义。主要概述了矿化剂强化、水解液强化和纤维增强对SiO₂基陶瓷型芯高温性能强化效果的研究现状，并对硅基陶瓷型芯的发展作出了展望。

关键词：空心叶片；硅基陶瓷型芯；高温强化

中图分类号：TG249.9  文献标志码A

DOI：10.15980/j.tzzz.2020.07.012

Research Status of High Temperature Performance Enhancement of SiO₂ Based Ceramic Core

Zhan Hongxing, Lu Gang, Yan Qingsong, Yan Yuping, Chen Banglang

(National Defence Key Discipline Laboratory of Light Alloy Processing Science and Technology, Nangchang Hangkong University)

Abstract: The application background of silica based ceramic cores for hollow blade of turbine engine and the significance of high temperature strengthening of silica based ceramic cores were reviewed. The research status of high temperature performance strengthening effect of mineralization agent strengthening, hydrolysate strengthening and fiber strengthening on silica based ceramic cores was summarized, and the prospects for the future development of silica based ceramic cores were described.

Key Words: Hollow Blade, Silicon Based Ceramic Cores, Hydrolysate Enhancement