环境障碍涂层(Environment barrier coating,EBC)能够解决构件在燃气环境中长时间腐蚀的问题,从而成为航空发动机材料研究的热点。从材料体系、制备工艺、性能考核和表征方法4个方面综述了目前EBC的研究成果。通过对目前国内外研究成果的总结和分析,提出了EBC当前研究存在的问题,并展望了EBC进一步研究的方向。
Environment barrier coating (EI3C) which can protect ceramic matrix composite components from corrosion fora long time in combustion environment, become the focus in the field of aviation engine materials. The research results of EBC are reviewed fully according to the following point as: materials, processes, tests and evaluation methods. Based on the summary and analysis on the achievement of EBC at home and abroad, some issues and the tendency on the development of EBC are proposed finally.