Microstructure of boron nitride coated on nuclear fuels by plasma enhanced chemical vapor deposition
Abstract
Three nuclear fuels, pure urania, 5% and 10% gadolinia containing fuels were coated with boron nitride to improve nuclear and physical properties. Coating was done by plasma enhanced chemical vapor deposition technique by using boron trichloride and ammonia. The specimens were examined under a scanning electron microscope. Boron nitride formed a grainy structure on all fuels. Gadolinia decreased the grain size of boron nitride. The fractal dimensions of fragmentation and of area-perimeter relation were determined. (C) 1998 Elsevier Science B.V. All rights reserved.
Source
JOURNAL OF NUCLEAR MATERIALSVolume
256Issue
02.MarCollections
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