Strengthening and toughening of carbon nanotube reinforced alumina nanocomposite fabricated by molecular level mixing process

被引：227
|
作者：
Cha, SI [1 ]
Kim, KT [1 ]
Lee, KH [1 ]
Mo, CB [1 ]
Hong, SH [1 ]
机构：
[1] Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, Taejon 305701, South Korea
来源：
SCRIPTA MATERIALIA | 2005年 / 53卷 / 07期
关键词：
carbon nanotube; ceramic matrix composite; molecular level mixing; spark plasma sintering;
D O I：
10.1016/j.scriptamat.2005.06.011
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A novel process to fabricate carbon nanotube (CNT)/alumina nanocomposites, consisting of a molecular level mixing process and an in situ spark plasma sintering process, is proposed. The CNT/alumina nanocomposites fabricated by this proposed process show enhanced hardness due to a load transfer mechanism of the CNTs and increased fracture toughness arising from the bridging mechanism of CNTs during crack propagation. (c) 2005 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：793 / 797
页数：5
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