A Method for Coating Fibers in Oxide Composites
A method for applying monazite coatings onto oxide fibers after matrix infiltration and sintering is devised and demonstrated. It uses an intermediate fugitive coating, followed by impregnation and pyrolysis of a monazite precursor solution. Composites with monazite coatings produced in this manner as well as those with only a fugitive coating exhibit superior mechanical performance to composites without any coating, as manifested in higher notched strength and fracture energy as well as significantly greater amounts of fiber pullout.
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Document Type: Research Article
Affiliations: 1: Materials Department, University of California, Santa Barbara, CA 93106 2: Rockwell Scientific Corporation, Thousand Oaks, CA 91360-2362
Publication date: April 1, 2007