Preparation and corrosion resistance of high-entropy disilicate (Y0.25Yb0.25Er0.25Sc0.25)2Si2O7 ceramics

With the increasing demand for high thrust-weight ratio aero-engines, the development of environmental barrier coatings (EBCs) for SiC-based ceramics is an enormous challenge, which requires both high temperature stability and resistance to molten calcium-magnesium-aluminosilicate (CMAS) corrosion....

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Veröffentlicht in:	Corrosion science 2021-11, Vol.192, p.109786, Article 109786
Hauptverfasser:	Wang, Xu, Cheng, Minghao, Xiao, Guozheng, Wang, Chao, Qiao, Ruiqing, Zhang, Fan, Bai, Yu, Li, Yizhuo, Wu, Yusheng, Wang, Zhanjie
Format:	Artikel
Sprache:	eng
Schlagworte:	(Y0.25Yb0.25Er0.25Sc0.25)2Si2O7 Aluminosilicates Aluminum Aluminum silicates Bulk density Calcium ions Ceramic coatings Ceramics Corrosion Corrosion resistance Densification Diffusion barriers Diffusion layers Entropy Erbium Grain size High temperature High thrust High-temperature stability Magnesium Phase stability Preparation Sintering Sintering (powder metallurgy) Sintering aids Sol-gel processes Synthesis Thickness Thrust-weight ratio Yttrium
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