Improvement of thermal conductivity in 2D carbon-carbon composites by doping with TiC nanoparticles

被引：16

作者：

Centeno, A. ^{[1
]}

Santamaria, R. ^{[1
]}

Granda, M. ^{[1
]}

Menendez, R. ^{[1
]}

Blanco, C. ^{[1
]}

机构：

[1] CSIC, Inst Nacl Carbon, E-33080 Oviedo, Spain

来源：

MATERIALS CHEMISTRY AND PHYSICS | 2010年 / 122卷 / 01期

关键词：

Composite materials; Thermal treatment; Raman spectroscopy; Thermal conductivity; THERMOMECHANICAL PROPERTIES; THERMOPHYSICAL PROPERTIES; CARBON/CARBON MATERIALS; CHEMICAL EROSION; GRAPHITE; MICROSTRUCTURE;

D O I：

10.1016/j.matchemphys.2010.02.072

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Titanium-doped CC composites were prepared by liquid impregnation of a 2D carbon fibre preform using a mesophase pitch doped with TiC nanoparticles as matrix precursor. The effect of the addition of titanium carbide on the microstructure and thermal properties of CC composites is investigated. A higher degree of order was developed in the matrix of the Ti-doped composite which is the result of the catalytic graphitisation of carbon promoted by titanium. As a consequence, the thermal conductivity is higher in this doped material, despite the low dopant content introduced in the matrix, which points out the relevant contribution of the matrix to the thermal properties of the whole composite. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：102 / 107

页数：6

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