Thermal and ablative properties of low temperature carbon fiber-phenol formaldehyde resin composites

被引：73
|
作者：
Park, JK [1 ]
Kang, TJ [1 ]
机构：
[1] Seoul Natl Univ, Sch Mat Sci & Engn, Kwanak Ku, Seoul 151742, South Korea
来源：
CARBON | 2002年 / 40卷 / 12期
关键词：
carbon composites; carbonization; thermal conductivity; thermal diffusion; microstructure;
D O I：
10.1016/S0008-6223(02)00063-5
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The thermal and ablative properties of phenol formaldehyde resin (PF) composites reinforced with carbon fibers heat-treated at low temperature have been investigated. Low temperature carbon fibers (LTCF) were obtained by a continuous carbonization process from stabilized PAN fibers at 1100 degreesC. The properties of LTCF reinforced PF (LTCF-PF) composites are compared with those of high temperature carbon fiber (HTCF) reinforced PF (HTCF-PF) composites, The thermal conductivity of the LTCF-PF composite is lower than that of HTCF-PF composite by about 35 and 10% along the directions parallel and perpendicular to the laminar plane, respectively. It was found from the ablation test using an arc plasma touch flame that the erosion rate is higher by about 30% in comparison with HTCF-PF composite. The result suggests that use of LTCFs as reinforcement in a composite may improve the thermal insulation of the composite but decrease the ablative resistance. (C) 2002 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：2125 / 2134
页数：10
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