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A Method for Coating Fibers in Oxide Composites
Author(s) -
Weaver Jared H.,
Yang James,
Levi Carlos G.,
Zok Frank W.,
Davis Janet B.
Publication year - 2007
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1551-2916.2007.01527.x
Subject(s) - coating , materials science , composite material , monazite , sintering , oxide , pyrolysis , fiber , metallurgy , chemical engineering , paleontology , engineering , biology , zircon
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.