Al2O3 涂层对硅基陶瓷型芯与镍基单晶高温合金界面反应的影响

何家宝, 王亮, 张朝威, 邹明科, 孟杰, 王新广, 姜肃猛, 周亦胄, 孙晓峰

Effect of Al2O3 Coating on Interface Reaction Between Si-Based Ceramic Core and Ni-Based Single-Crystal Superalloy

HE Jiabao, WANG Liang, ZHANG Chaowei, ZOU Mingke, MENG Jie, WANG Xinguang, JIANG Sumeng, ZHOU Yizhou, SUN Xiaofeng

表4 合金/不同硅基陶瓷体系的润湿角

Table 4 Wetting angles of superalloy/different Si-based ceramic core systems

System d / mm h / mm θ / (o) Superalloy-Al2O3-coated Si-based ceramic core 6.1 3.0 89.1 Superalloy-unmodified Si-based ceramic core 5.0 3.0 100.4