Thermophysical Properties of Carbon-Carbon Materials Based on Graphite Foam

Abstract

Low density heat-conducting carbon-carbon materials containing coke from 2.8 to 40 wt.% and with density varying in the range from 0.065 to 0.81 g/cm³ are prepared by uniaxial compaction of graphite foam with subsequent impregnation with an acetone solution of propargylated novolac resin and coking. It is shown that mechanical strength of specimens increases in proportion to the coke content within them in the range from 17 to 40 wt.%, and thermal conductivity is almost unchanged and is within the limits of 2.5 – 3.2 W/(m·K).