The thermal conductivity of carbon - carbon fibre composites below 80 K

✍ Scribed by C.I. Nicholls; H.M. Rosenberg

• Publisher: Elsevier Science
• Year: 1984
• Tongue: English
• Weight: 334 KB
• Volume: 24
• Category: Article
• ISSN: 0011-2275
• DOI: 10.1016/0011-2275(84)90089-4

✦ Synopsis

The thermal conductivities of some 2 dimensional carbon fibre in carbon (C-CF) composite materials were measured between 1.5 K and 80 K. Measurements upon one sample were made down to O. 15 K. An analysis of the results is made and a simple mode/of the system was used to predict the conductivities to within ",, 10%.

The material is a very good thermal insulator (K < 0.01 Wm -1 K -1 at 4.2 K) with very low thermal expansion and is easy to machine. As such it may be useful as a low temperature constructional material, though the readiness with which the material adsorbs gas may limit its applications.