热障涂层热冲击试验研究

The Study on Thermal Shock Test of Thermal Barrier Coatings

随着先进发动机的研制和生产 ,对高温涂层的要求也不断提高。热障涂层 (TBCs)作为一种新型隔热涂层 ,在发动机涡轮叶片上的应用得到更多的重视。对利用电子束物理气相沉积 (EB- PVD)制备的 TBCs进行了高温热冲击试验 ,并对试验前后的 TBCs进行了形貌、 SEM和

The requirement of high temperature coatings has been improved with research and production of advanced engine Thermal barrier coatings which has been applied in blades and vanes is a new type coating Thermal shock test has been performed on the TBCs which are prepared by EB PVD The morphology, composition and phase transformation of the TBCs samples is analyzed by SEM, EDXS and XRD