THERMAL EXPANSION OF SYNTHETIC GRAPHITES BETWEEN 80 AND 2000 F
Journal Article
·
· American Ceramic Society Bulletin (U.S.)
OSTI ID:4811904
The mean linear and cubical coefficients of thermal expansion of eight commercial lots of graphite were determined for temperature intervals between 80 and 2000 deg F. The linear thermal expansion was measured with an automatic recording dilatometer using a rod-shaped specimen 2 in. long and 1/4 in. across. The specimen was heated in an atmosphere of helium. The results are in good agreement with those of Currie, Hamister, and MacPherson. The mean linear coefficient was found to increase with temperature. The mean linear coefficients from 80 to 2000 deg F were 1.50 to 2.34 x 10/sup -6// deg F parallel and 2.26 to 3.45 x 10/sup -6// deg F perpendicular to the grain and were found to vary linearly with the electrical resistivity measured at 32 deg F. (auth)
- Research Organization:
- Jet Propulsion Lab., Pasadena, Calif.
- NSA Number:
- NSA-16-025773
- OSTI ID:
- 4811904
- Journal Information:
- American Ceramic Society Bulletin (U.S.), Journal Name: American Ceramic Society Bulletin (U.S.) Vol. Vol: 41; ISSN ACSBA
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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