期刊
SCRIPTA MATERIALIA
卷 65, 期 1, 页码 37-40出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2011.03.016
关键词
Zirconium diboride (ZrB2); Ultra-high-temperature ceramics (UHTCs); Hot-forging; Texture; Microstructure tailoring
类别
资金
- National Natural Science Foundation of China [50632070, 91026008]
- Chinese Academy of Sciences
- State Key Laboratory of High Performance Ceramics and Superfine Microstructures of Shanghai Institute of Ceramics
Textured and platelet-reinforced ZrB2-based ultra-high-temperature ceramics (UHTCs) are prepared via reactive hot pressing and successive hot forging. The textured materials display significantly anisotropic mechanical properties, and the flexural strength has been improved by 52% owing to the orderly arrangement of platelet ZrB2 grains. The texturing of ZrB2-based platelet composites should open up an effective approach to optimizing the properties of ZrB2-based UHTCs. (C) 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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