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Preparation and resistance to CMAS corrosion of Y2O3-SiO2 binary ceramic materials

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成果类型:
期刊论文
作者:
Chenguang Li;Junbin Sun*;Weihong Lu
通讯作者:
Junbin Sun
作者机构:
[Chenguang Li] College of Chemistry and Material Science, Hengyang Normal University, Hengyang, 421008, PR China
Hunan Province Key Laboratory of Functional Metal-Organic Compounds (Hengyang Normal University), Hengyang, 421008, PR China
Key Laboratory of Organometallic New Materials (Hengyang Normal University), College of Hunan Province, Hengyang, 421008, PR China
Hunan Engineering Research Center for Monitoring and Treatment of Heavy Metals Pollution in the Upper Reaches of Xiangjiang River (Hengyang Normal University), Hengyang, 421008, PR China
[Junbin Sun; Weihong Lu] College of Chemistry and Material Science, Hengyang Normal University, Hengyang, 421008, PR China<&wdkj&>Hunan Province Key Laboratory of Functional Metal-Organic Compounds (Hengyang Normal University), Hengyang, 421008, PR China<&wdkj&>Key Laboratory of Organometallic New Materials (Hengyang Normal University), College of Hunan Province, Hengyang, 421008, PR China<&wdkj&>Hunan Engineering Research Center for Monitoring and Treatment of Heavy Metals Pollution in the Upper Reaches of Xiangjiang River (Hengyang Normal University), Hengyang, 421008, PR China
通讯机构:
[Junbin Sun] C
College of Chemistry and Material Science, Hengyang Normal University, Hengyang, 421008, PR China<&wdkj&>Hunan Province Key Laboratory of Functional Metal-Organic Compounds (Hengyang Normal University), Hengyang, 421008, PR China<&wdkj&>Key Laboratory of Organometallic New Materials (Hengyang Normal University), College of Hunan Province, Hengyang, 421008, PR China<&wdkj&>Hunan Engineering Research Center for Monitoring and Treatment of Heavy Metals Pollution in the Upper Reaches of Xiangjiang River (Hengyang Normal University), Hengyang, 421008, PR China
语种:
英文
期刊:
Ceramics International
ISSN:
0272-8842
年:
2025
机构署名:
本校为第一且通讯机构
院系归属:
化学与材料科学学院
摘要:
The corrosion caused by air sediments comprising CaO-MgO-Al 2 O 3 -SiO 2 (CMAS) poses a notable challenge to thermal/environmental barrier coatings as engine service temperatures continue to rise. In this study, three types of Y 2 O 3 -SiO 2 binary compound ceramic bulks—Y 2 SiO 5 , Y 2 SiO 5 -Y 2 Si 2 O 7 and Y 2 Si 2 O 7 —with molar ratios of Y 2 O 3 :SiO 2 of 1:1, 1:1.5, and 1:2, respectively, were prepared and subjected to CMAS corrosion at 1250 °C and 1350 °C for durations ranging from 1 to 10 h. The corrosion products and cross-sectio...

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