占红星 芦 刚 严青松 晏玉平 陈邦浪
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