Synthesis of Hexagonal Columnar ZrB2 Powders Through Dissolution-Recrystallization Approach by Microwave Heating Method

分类： 物理学 >> 普通物理:统计和量子力学,量子信息等 提交时间： 2017-05-02

Ding, ZH [Ding, Zhihui][ 1 ] Deng, QH [Deng, Qihuang][ 1 ] Shi, DW [Shi, Diwei][ 1 ] Zhou, XB [Zhou, Xiaobing][ 1 ] Li, Y [Li, Yong][ 1 ] Ran, SL [Ran, Songlin][ 2 ] Huang, Q [Huang, Qing][ 1 ]

摘要： Hexagonal Columnar ZrB2 powders were obtained from irreg- ular commercial powder at low temperature using microwave heating technique. It was confirmed that the raw ZrB2 powders first underwent dissolution process in the glassy coating, fol- lowed by re-crystallization. A growth mechanism involving selective attachment is proposed to explain the formation of the hexagonal tubules.

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