Thermal conductivity of polyimide/carbon nanofiller blends

被引：6
作者：
Ghose, S.
Watson, K. A.
Delozier, D. M.
Working, D. C.
Connell, J. W.
Smith, J. G.
Sun, Y. P.
Lin, Y.
机构：
来源：
ADVANCES IN COMPOSITE MATERIALS AND STRUCTURES, PTS 1 AND 2 | 2007年 / 334-335卷
关键词：
multiwalled carbon nanotubes; carbon nanofibers; expanded graphite; Ultem 1000 (TM);
D O I：
10.4028/www.scientific.net/KEM.334-335.749
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：
In efforts to improve the thermal conductivity (TC) of Ultem (TM) 1000, it was compounded with three carbon based nano-fillers. Multiwalled carbon nanotubes (MWCNT), vapor grown carbon nanofibers (CNF) and expanded graphite (EG) were investigated. Ribbons were extruded to form samples in which the nano-fillers were aligned. Samples were fabricated by compression molding where the nano-fillers were randomly oriented. The thermal properties were evaluated by DSC and TGA, and the mechanical properties of the aligned samples were determined by tensile testing. The degree of dispersion and alignment of the nanoparticles were investigated with high-resolution scanning electron microscopy. The thermal conductivity was measured in two directions using the Nanoflash technique.
引用
收藏
页码：749 / 752
页数：4
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