High-temperature microwave absorption and evolutionary behavior of multiwalled carbon nanotube nanocomposite

被引：241

作者：

Song, Wei-li ^{[1
]}

Cao, Mao-sheng ^{[1
]}

Hou, Zhi-ling ^{[1
]}

Yuan, Jie ^{[2
]}

Fang, Xiao-yong ^{[1
]}

机构：

[1] Beijing Inst Technol, Sch Mat Sci & Engn, Beijing 100081, Peoples R China

[2] Cent Univ Nationality, Sch Informat Engn, Beijing 100081, Peoples R China

来源：

SCRIPTA MATERIALIA | 2009年 / 61卷 / 02期

关键词：

Carbon nanotube; High-temperature; Microwave absorption; Dielectric property; COMPLEX PERMITTIVITIES; DIELECTRIC-RELAXATION; PERMEABILITY; COMPOSITES; FREQUENCIES;

D O I：

10.1016/j.scriptamat.2009.03.048

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The high-temperature dielectric property and evolutionary behavior of multiwalled carbon nanotube/silica nanocomposite from 30 to 600 degrees C in the range 8.2-12.4 GHz were investigated. Both increasing temperature and elevated multiwalled carbon nanotube concentration are found to enhance complex permittivity, and a mechanism for this enhancement is also proposed. The calculated attenuation suggests that multiwalled carbon nanotubc/silica a good candidate for high-temperature microwave-absorbing materials, and this could help in material designs with matching conditions. Crown Copyright (C) 2009 Published by Elsevier Ltd. on behalf of Acta Materialia Inc. All rights reserved.

引用

页码：201 / 204

页数：4

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