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1 图6b中点1~3的EDS结果 (mass fraction / %)

Table 1 EDS results of points 1-3 in Fig.6b

Point Al O Ni Hf Si Co Cr Re Mo W Ta Zr 1 66.27 21.24 7.78 0.76 0.11 1.47 0.65 0.51 0.39 0.12 0.60 0.10 2 18.71 22.01 14.49 33.37 – 2.21 0.21 1.42 1.15 – 5.98 0.46 3 0.86 0.57 28.08 0.72 5.90 11.77 0.87 4.27 29.97 9.44 7.31 0.24