Abstract
Samples of a monolayer carbon-ceramic composite material (composite) of the C-SiC composition are obtained as a result of the compaction of porous substrates made of a thin carbonized carbon fiber-reinforced plastic based on one layer of a carbon cloth with silicon carbide deposited from the gas phase of methylsilane. At each step of preparation of this material, its density, porosity, and specific pore surface are determined by standard contact porosimetry. Based on the obtained distributions of the specific volume and specific surfaces of pores by their radii, changes in the porous structure of samples are considered. The necessity of high-temperature annealing as a technological step in making the composite leading to the disappearance of microporosimety within the composite is shown. The microstructure of the composite under study is also studied with the use of scanning electronic microscopy.
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Original Russian Text © D.V. Yartsev, A.V. Lakhin, Yu.M. Vol’fkovich, A.V. Manukhin, E.A. Bogachev, A.N. Timofeev, V.E. Sosenkin, N.F. Nikol’skaya, 2009, published in Izvestiya VUZ. Poroshkovaya Metallurgiya i Funktsional’nye Pokrytiya, 2009, No. 4, pp. 36–41.
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Yartsev, D.V., Lakhin, A.V., Vol’fkovich, Y.M. et al. Study of the porous structure of a monolayer carbon-ceramic composite material of the C-SiC composition. Russ. J. Non-ferrous Metals 51, 364–369 (2010). https://doi.org/10.3103/S106782121004019X
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DOI: https://doi.org/10.3103/S106782121004019X