The Thermal Expansion of Synthetic Graphites at Temperature Intervals Between 80 and 2000f

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The mean linear and cubical coefficients of thermal expansion of eight commercial samples 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 were in good agreement with those of Currie, Hamister, and MacPherson. The mean linear coefficient was found to increase with temperature. For the samples studied, the mean linear coefficients from 80 to 2000 deg F were 1.50 to 2.34 x 10/sup … continued below

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21 p.

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Allen, R. D. November 30, 1959.

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This report is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by the UNT Libraries Government Documents Department to the UNT Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 31 times. More information about this report can be viewed below.

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  • Jet Propulsion Laboratory (U.S.)
    Publisher Info: California Inst. of Tech., Jet Propulsion Lab., Pasadena, CA (United States)
    Place of Publication: Pasadena, California

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The mean linear and cubical coefficients of thermal expansion of eight commercial samples 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 were in good agreement with those of Currie, Hamister, and MacPherson. The mean linear coefficient was found to increase with temperature. For the samples studied, 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)

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21 p.

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Other Information: Orig. Receipt Date: 31-DEC-60

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  • November 30, 1959

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  • Sept. 21, 2016, 2:29 a.m.

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  • Nov. 25, 2024, 12:27 a.m.

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Allen, R. D. The Thermal Expansion of Synthetic Graphites at Temperature Intervals Between 80 and 2000f, report, November 30, 1959; Pasadena, California. (https://digital.library.unt.edu/ark:/67531/metadc873815/: accessed February 12, 2026), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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