A Method for Coating Fibers in Oxide Composites

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...

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Veröffentlicht in:Journal of the American Ceramic Society 2007-04, Vol.90 (4), p.1331-1333
Hauptverfasser: Weaver, Jared H., Yang, James, Levi, Carlos G., Zok, Frank W., Davis, Janet B.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Building materials. Ceramics. Glasses
Ceramic and carbon fibers
Ceramic industries
Ceramic sintering
Ceramics
Cermets, ceramic and refractory composites
Chemical industry and chemicals
Coating
Composite materials
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Fibers
Fracture mechanics
Materials science
Methods
Miscellaneous
Monazite
Other materials
Oxides
Physics
Precursors
Pyrolysis
Specific materials
Technical ceramics
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Beschreibung
Zusammenfassung: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.
ISSN:0002-7820
1551-2916
DOI:10.1111/j.1551-2916.2007.01527.x