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Excellent calcium-magnesium-aluminosilicate corrosion resistance of high-entropy garnet/alumina directionally solidified eutectic at 1500 & DEG;C

文献类型：期刊论文

作者Zhou, Cui1,2; Sun, Luchao2; Du, Tiefeng2; Wu, Zhen2; Wang, Jiemin2; Wang, Jingyang2
刊名JOURNAL OF THE AMERICAN CERAMIC SOCIETY
出版日期2023-08-16
页码12
关键词calcium aluminate corrosion corrosion resistance eutectics high entropy
ISSN号0002-7820
DOI10.1111/jace.19374
通讯作者Sun, Luchao(lcsun@imr.ac.cn) ; Wang, Jingyang(jywang@imr.ac.cn)
英文摘要High-temperature corrosion resistance is one of the major challenges for hot-section components in gas turbines. In this paper, the interaction of a novel high entropy (HE) (Y0.2Gd0.2Ho0.2Er0.2Yb0.2)(3)Al5O12/Al2O3 directionally solidified eutectic (DSE) with molten calcium-magnesium-aluminosilicate (CMAS) at 1500 & DEG;C for 4 to 200 h was investigated and the results indicate that (Y0.2Gd0.2Ho0.2Er0.2Yb0.2)(3)Al5O12/Al2O3 DSE possesses excellent CMAS resistance, with a true recession depth about 219.5 & mu;m after corroded by CMAS at 1500 & DEG;C for 200 h. Moreover, possible explanations on the outstanding CMAS corrosion resistance, including the protective diffusion-blocking garnet layer and the actively adjustment on the corrosion activity of CMAS melt by both the rapid dissolution of Al2O3 phase and the synergetic effects of multicomponent RE elements, are deduced based on the identification, distribution and evolution analysis of the reaction products over the corrosion time. The current results can cast light on new mechanisms and strategies with respect to multilevel optimization to develop new high-temperature structural materials with enhanced CMAS corrosion resistance ability.
资助项目National Natural Science Foundation of China[52130204] ; National Natural Science Foundation of China[U21A2063] ; National Natural Science Foundation of China[52002376] ; National Key Ramp;D Program of China[2021YFB3702300] ; National Science and Technology Major Project[2017-VI-0020-0093] ; Key Research Program of the Chinese Academy of Sciences[ZDRW-CN-2021-2-2] ; LiaoNing Revitalization Talents Program[XLYC2002018]
WOS研究方向Materials Science
语种英语
WOS记录号WOS:001048748800001
出版者WILEY
资助机构National Natural Science Foundation of China ; National Key Ramp;D Program of China ; National Science and Technology Major Project ; Key Research Program of the Chinese Academy of Sciences ; LiaoNing Revitalization Talents Program
源URL[http://ir.imr.ac.cn/handle/321006/178969]  
专题金属研究所_中国科学院金属研究所
通讯作者Sun, Luchao; Wang, Jingyang
作者单位1.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang, Peoples R China
推荐引用方式
GB/T 7714		 Zhou, Cui,Sun, Luchao,Du, Tiefeng,et al. Excellent calcium-magnesium-aluminosilicate corrosion resistance of high-entropy garnet/alumina directionally solidified eutectic at 1500 & DEG;C[J]. JOURNAL OF THE AMERICAN CERAMIC SOCIETY,2023:12.
APA Zhou, Cui,Sun, Luchao,Du, Tiefeng,Wu, Zhen,Wang, Jiemin,&Wang, Jingyang.(2023).Excellent calcium-magnesium-aluminosilicate corrosion resistance of high-entropy garnet/alumina directionally solidified eutectic at 1500 & DEG;C.JOURNAL OF THE AMERICAN CERAMIC SOCIETY,12.
MLA Zhou, Cui,et al."Excellent calcium-magnesium-aluminosilicate corrosion resistance of high-entropy garnet/alumina directionally solidified eutectic at 1500 & DEG;C".JOURNAL OF THE AMERICAN CERAMIC SOCIETY (2023):12.

入库方式： OAI收割

来源：金属研究所

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