Si-B-C-N monoliths with LaB6-induced well-developed BN(C) flakes
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- 作者：Bin Liang ; Zhihua Yang ; zhyang@hit.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Yang Miao ; Qishuai Zhu ; Xingqi Liao ; Quan Li ; Zhuo Tian ; Dechang Jia ; dcjia@hit.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Yu Zhou
- 关键词：Si-B-C-N ; Ceramics ; Microstructure ; Toughness ; Mechanical alloying ; Spark plasma sintering
- 刊名：Materials Letters
- 出版年：2017
- 出版时间：15 January 2017
- 年：2017
- 卷：187
- 期：Complete
- 页码：36-39
- 全文大小：720 K
文摘
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LaB6 was incorporated into Si-B-C-N monoliths by mechanical alloying technique.
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Thin BN(C) flakes are in situ formed in Si-B-C-N ceramics due to the LaB6 additive.
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BN(C) flakes play a dominate role in improving the ceramic's toughness.
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Solid-solution of La in BN(C) grains promotes in situ growth of BN(C) flakes.