Synthesis and properties of carbon-carbon composite material based on nanoporous carbon

Synthesis and properties of carbon-carbon composite material based on nanoporous carbon Effect of synthesis parameters of carbon-carbon nanoporous composites in the form of compact bodies with various geometric shapes on their structure and properties was studied. The synthesis process includes three technological stages: molding of blanks with prescribed size and shape powdered Ti, Si, B, Mo, etc. carbides, their thermal treatment with methane to give a carbide-pyrocarbon composite, thermochemical treatment of the composite with chlorine to give the final material, carbon-carbon nanoporous composite in which nanoporous carbon is a filler, and pyrocarbon, a binder. It is shown that the ratio between the carbide phases and pyrocarbon, compaction pressure, and temperature of chlorination of the chemical composition of carbide affect the properties of the composite. The carbon-carbon composites synthesized contain nanopores 0.7–3 nm in size and micropores and have a large specific surface area (up to 1000 m2 g–1). The volume of the nanopores in the composites varies within the range 0.42–0.79 cm3 g–1. Russian Journal of Applied Chemistry Springer Journals

Synthesis and properties of carbon-carbon composite material based on nanoporous carbon

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Pleiades Publishing
Copyright © 2015 by Pleiades Publishing, Ltd.
Chemistry; Chemistry/Food Science, general; Industrial Chemistry/Chemical Engineering
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