Gd2(Zr1-xCex)2O7热障涂层陶瓷层材料的CMAS热腐蚀行为研究

姜伯晨, 曹将栋, 曹雪玉, 王建涛, 张少朋

Hot Corrosion Behavior of Gd2(Zr1-xCex)2O7 Thermal Barrier Coating Ceramics Exposed to Artificial Particulates of CMAS

JIANG Bochen, CAO Jiangdong, CAO Xueyu, WANG Jiantao, ZHANG Shaopeng

表1 GZ和GZ7C3腐蚀10 h后产物的EDS测试结果

Table 1 EDS test results for products of GZ and GZ7C3 under 10 h corrosion (atomic fraction / %)

Point Constituent Ca Mg Al Si Gd Zr O 1 Rod-liked crystal 7.75 0.06 0.02 19.88 25.41 0.94 45.94 2 Bulk-liked crystal 7.5 0.54 0.42 2.36 8.44 34.8 43.94