材料科学
陶瓷
环境友好型
电流(流体)
工艺工程
陶瓷基复合材料
废物管理
复合材料
工程类
电气工程
生态学
生物
作者
Daniel Tejero-Martin,Chris Bennett,Tanvir Hussain
标识
DOI:10.1016/j.jeurceramsoc.2020.10.057
摘要
The increasing demand for more efficient and environmental-friendly gas turbines has driven the development of new strategies for material development. SiC/SiC ceramic matrix composites (CMCs) can fulfil the stringent requirements; however, they require protection from the operating environment and debris ingested during operation. Environmental barrier coatings (EBCs) are a protective measure to enable the CMCs to operate under harsh conditions. EBC-coated CMCs will enable an increased efficiency and reduced pollutant and CO2 emissions. In this review, the fundamentals of SiC/SiC ceramic matrix composites degradation in steam environments and under the presence of corrosive species, namely CaO-MgO-Al2O3-SiO2 (CMAS), are first presented. Then, a summary of EBCs along with a comprehensive summary of the current compositions and their interactions with steam and molten corrosive species is presented. Finally, an overview of the latest research directions for the potential next generation of EBCs are outlined.
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