Abstract
The lattice and bulk thermal expansions perpendicular to the layer plane of siliconated pyrolytic carbon, PC(Si), produced by pyrolyzing a mixture of propane gas and silicon tetrachloride vapour at the deposition temperatures of 1440 to 2025° C, have been measured over the temperature ranges 20 to 550° C and 20 to 960° C, respectively. The expansion behaviours of PC(Si) are related to the density and the degree of preferred orientation of crystallites, as is the case for pyrolytic carbon without silicon “PC”. At a deposition temperature of about 1700° C, the bulk thermal expansion coefficient of PC(Si) is about three times as large as that of PC.
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Aoki, K., Cheng, M.Y., Hirai, T. et al. Thermal expansion of siliconated pyrolytic carbon. J Mater Sci 9, 1159–1164 (1974). https://doi.org/10.1007/BF00552833
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DOI: https://doi.org/10.1007/BF00552833