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

图13 镍基单晶高温合金与未表面改性的硅基陶瓷型芯反应后合金底部的微观形貌及EDS元素面分布

Fig.13 Bottom morphologies (a, b) and EDS analyses (c-f) of the Ni-based single-crystal superalloy after reaction with the unmodified Si-based ceramic core (a) overall morphology (b) microstructure of the black rectangular area in Fig.13a (c-f) EDS mappings corresponding to Fig.13a