A review of Al2O3-based eutectic ceramics for high-temperature structural materials

被引：5
|
作者：
Wang, Xu [1 ]
Zhong, Yujie [2 ]
Hu, Qiaodan [3 ]
机构：
[1] Northwestern Polytech Univ, State IJR Ctr Aerosp Design & Addit Mfg, Sch Mech Engn, Xian 710072, Peoples R China
[2] Xian Shiyou Univ, Sch Mat Sci & Engn, Xian 710065, Peoples R China
[3] Shanghai Jiao Tong Univ, Sch Mat Sci & Engn, Shanghai Key Lab Mat Laser Proc & Modificat, Shanghai 200240, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY | 2025年 / 214卷
基金：
中国国家自然科学基金;
关键词：
Eutectic solidification; Interfacial structures; Mechanical properties; High-entropy oxides; IN-SITU COMPOSITES; MECHANICAL-PROPERTIES; DIRECTIONAL SOLIDIFICATION; MICROSTRUCTURE EVOLUTION; CREEP-BEHAVIOR; CRYSTALLOGRAPHIC TEXTURE; RAPID SOLIDIFICATION; FRACTURE-TOUGHNESS; THERMAL-STABILITY; Y2O3; EUTECTICS;
D O I：
10.1016/j.jmst.2024.07.012
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Al2O3 2 O 3-based eutectic ceramics are considered as promising candidates for ultra-high-temperature structural materials due to their exceptional thermal stability and mechanical properties. Nonetheless, several challenges must be overcome before they can be widely used. This paper reviews in detail the tailoring of microstructure from the aspect of process parameters, the updated knowledge gained in microstructure (crystallographic orientation, high-resolution interfacial structures) and the latest means of optimizing eutectic microstructure (seed-induced method, introducing low-energy grain boundaries and high-entropy phase). Additionally, the paper explores future techniques for the fabrication of bulk ceramic materials and effective toughening approaches. This review highlights the achievements made especially in the last 15 years, current limitations in Al2O3 2 O 3-based eutectic ceramics, and offers comprehensive insights and strategic guidance for further mechanical breakthroughs. (c) 2024 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
引用
收藏
页码：214 / 232
页数：19
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