新型高温/超高温热障涂层及制备技术研究进展

Research Progress on New High/ultra-high Temperature Thermal Barrier Coatings and Processing Technologies

简单介绍了先进航空发动机高温/超高温热障涂层(TBCs)的研究背景、意义和现状;简述了近年来国际上在新一代超高温TBCs方面的研究进展。重点介绍了近年来北京航空航天大学在新型高温/超高温TBCs方面的研究成果,包括新型超高温、高隔热陶瓷隔热层材料,1 150℃以上新型抗高温氧化金属粘结层材料,以及电子束物理气相沉积(EB-PVD)、等离子体激活EB-PVD(PA EB-PVD)和等离子物理气相沉积(PS-PVD)等新型制备工艺。最后对TBCs在未来高性能航空发动机上的应用及发展趋势进行了展望。

The research background,significance and current status of high/ultra-high temperature thermal barrier coatings （TBCs） for aero-engine applications are briefly highlighted.The recent research progress in new generation TBCs for ultrahigh temperature applications is reviewed.Emphasis is laid on the recent research achievements of Beihang University which involves new ceramic topcoat materials with superior-high temperature capabilities and thermal barrier performances,novel metallic bond coat materials with good oxidation resistance at temperatures above 1 150 ℃,new processing technologies of TBCs including electron beam physical vapor deposition （EB-PVD）,plasma activated EB-PVD （PA EB-PVD） and plasma spray physical vapor deposition （PS-PVD）.Eventually,the prospective trends of TBCs for advanced aero-engine applications are forecast.