Thermal Stability of a Chemically Vapor Deposited Multilayer Coating Containing Amorphous Silica And Rutile Titania on Hi-Nicalon Fiber

Jinil Lee, Hao Li, Woo Y. Lee

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

A multilayer coating consisting of consecutive layers of amorphous-silica, rutile-titania, and amorphous-silica was prepared on Hi-Nicalon fiber by chemical vapor deposition at 1050°C. It appeared that the silica and titania layers were strongly bonded to each other with no evidence of detachment and crack deflection at the interface region. The layered structure became morphologically unstable because of the growth of titania grains, the crystallization of the silica layers, and the oxidation of the fiber on exposure to 1200°C in air for 92 h.

Original languageEnglish
Pages (from-to)1797-1799
Number of pages3
JournalJournal of the American Ceramic Society
Volume86
Issue number10
DOIs
StatePublished - Oct 2003

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