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Mixed Carbon-Aluminum Oxide Coatings from Aqueous Sols and Solutions

Published online by Cambridge University Press:  10 February 2011

E. Boakye ,
R.S. Hay  and
M. D. Petry
E. Boakye
Affiliation:
UES Inc., Dayton, OH.
R.S. Hay
Affiliation:
Wright Laboratory, Materials Directorate, WPAFB, OH
M. D. Petry
Affiliation:
UES Inc., Dayton, OH.
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Abstract

3M Nextel 720 fiber tows were continuously coated with carbon-alumina mixtures. Water soluble hydrocarbons such as sucrose and ammonium polymethacrylate (Darvan C) were used as carbon sources. Bridging of coating between filaments was reduced by displacing excess sol in the fiber tow with 1 -octanol. The effect of carbon-alumina association (sucrose or polyelectrolyte and alumina interaction) on the homogeneity of the alumina/oxide coatings are presented and discussed.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 432: Symposium S – Aqueous Chemistry and Geochemistry of Oxides , 1996 , 363
Copyright
Copyright © Materials Research Society 1997

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