Fabrication of modified ultra high-temperature ceramic hybrid powders using in situ grown SiC nanowires

被引：11

作者：

Zhong, Zhengxiang ^{[1
]}

Yan, Liwen ^{[2
]}

Liu, Li ^{[1
]}

Xu, Baosheng ^{[3
]}

机构：

[1] Harbin Inst Technol, Sch Chem & Chem Engn, State Key Lab Urban Water Resource & Environm, MIIT Key Lab Crit Mat Technol New Energy Convers, Harbin 150001, Peoples R China

[2] Inst Technol, Sci & Technol Adv Composites Special Environm Lab, Harbin 150001, Peoples R China

[3] Tsinghua Univ, Sch Aerosp Engn, Dept Engn Mech, AML, Beijing 100084, Peoples R China

来源：

CERAMICS INTERNATIONAL | 2017年 / 43卷 / 03期

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

Ceramics; SiC nanowires; ZrB2; Microstructure; COMPOSITES; MICROSTRUCTURE; ZIRCONIUM; BEHAVIOR;

D O I：

10.1016/j.ceramint.2016.11.171

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Ultra-high temperature ceramic (UHTC) hybrid powders modified using in situ grown SiC nanowires (SiCNWs) were successfully prepared via a simple catalytic method. The self-produce carbon and silicon source promoted the growth of SiCNWs during the pyrolysis process of ZrB2 polymer precursors coated ZrB2-SiC powders. The results showed that the growth of SiCNWs could be explained by a tip-growth model and vapor liquid solid (VLS) growth mechanism. The SiCNWs with diameter of 200 nm were single crystalline, and the content could be controlled by changing the catalyst content.

引用

收藏

页码：3462 / 3464

页数：3

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