航空发动机热障涂层的CMAS腐蚀行为与防护方法

郭磊, 高远, 叶福兴, 张馨木

CMAS Corrosion Behavior and Protection Method of Thermal Barrier Coatings for Aeroengine

GUO Lei, GAO Yuan, YE Fuxing, ZHANG Xinmu

图2 高温下CMAS (CaO、MgO、Al2O3和SiO2)对热障涂层(TBCs)的破坏[13,43]

Fig.2 Degradation of thermal barrier coatings (TBCs) by CMAS (CaO, MgO, Al2O3, and SiO2) at high temperatures(a) thermochemical degradation[43](b) thermomechanical degradation[13]