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Deposition of dense isotropic carbon from acetylene in fluidized bed

✍ Scribed by F. Kobayashi; K. Ikawa; K. Iwamoto

Publisher: Elsevier Science
Year: 1974
Tongue: English
Weight: 366 KB
Volume: 12
Category: Article
ISSN: 0008-6223
DOI: 10.1016/0008-6223(74)90044-x

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✦ Synopsis

Pyrolytic carbon was deposited from acetylene in a fluidized bed at 1100°C on alumina microspheres. In case when only argon was used as the diluent gas, density and BAF of the deposit decreased and deposition yield increased with increasing acetylene concentration. Hydrogen sypply suppressed carbon formation and, consequently, caused an increase in density and Lc. BAF was relativelv independent of hydrogen concentration. It was found that high density, isotropic carbon can be deposited from acetylene at 1100°C. if an appropriate proportion of hydrogen is added.

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