Unveiling crystallographic texture in laser floating zone melted Al2O3/YAG eutectic ceramic by seed-crystal inducing

Yuan Liu, Haijun Su, Xue Tan, Zhonglin Shen, Xiang Li, Hao Jiang, Di Zhao, Yinuo Guo, Zhuo Zhang, Min Guo

科研成果: 期刊稿件文章同行评审

1 引用 (Scopus)

摘要

This study demonstrated the unique crystallographic features in Al2O3/YAG eutectic by seed-crystal inducing in laser floating zone melting (LFZM) process for crystallographic orientation control. The as-fabricated eutectic ceramics induced by different single crystalline seeds were mainly composed of randomly oriented Al2O3 faceted particles and irregular eutectic, as a result of the initial uncoupled growth at the junction of seed and eutectic. Specifically, along the direction of directional solidification, the eutectic ceramics grew stably with a single crystallographic orientation relationship with low planar disregistry (2 %∼6 %). The stability of phase interface with minimum interfacial strain and better ionic charge balance in Al2O3/YAG eutectic has a greater effect on the regulation of the eutectic growth orientation than the constraint of the single crystalline seed.

源语言英语
页(从-至)40185-40190
页数6
期刊Ceramics International
50
20
DOI
出版状态已出版 - 15 10月 2024

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