IN2008DE1238A, CSIR_CGCRI, India (2016) An improved process for preparation of boron nitride coated carbon fiber. 270978.

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Abstract

In order to improve the oxidation resistance of carbon fiber, a boron nitride (BN) coating is developed by a non-hazardous and cost effective dip coat technique. Dip coating is carried out in saturated boric acid solution followed by nitridation to produce BN coating. Before dip coating, the carbon fiber is chemically activated. Due to interaction of activating chemical agent during the activation treatment, the surface properties e.g. surface area, surface microstructure of the carbon fiber are significantly varied. These improvements of surface properties subsequently reduce the boron nitride coating formation temperature.

Item Type:	Patent
Uncontrolled Keywords:	boron nitride, carbon fiber
Subjects:	Ceramic-Metal Systems
Divisions:	Advanced Clay & Traditional Ceramics
Depositing User:	Mrs Ruma Chakraborty
Date Deposited:	05 Oct 2016 07:08
Last Modified:	08 Feb 2017 09:19
URI:	http://cgcri.csircentral.net/id/eprint/3606

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