Title

Oxidation/corrosion of polymer-derived SiAlCN ceramics in water vapor

Authors

Authors

Y. G. Wang; W. F. Fei;L. N. An

Comments

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Abbreviated Journal Title

J. Am. Ceram. Soc.

Keywords

AMORPHOUS-SILICON CARBONITRIDE; PARALINEAR OXIDATION; CARBIDE; VISCOSITY; PRECURSOR; CORROSION; COATINGS; Materials Science, Ceramics

Abstract

Fully dense polymer-derived SiAlCN ceramics were exposed to pure water vapor flowing at the rate of 4.4 cm/s at 1100 degrees C. Weight changes as a function of annealing time were recorded to illustrate the oxidation/corrosion behavior of the materials. The paralinear kinetic model was used to determine the parabolic and linear rate constants from the experimental data. The results show that the polymer-derived SiAlCN ceramics have a much better water-vapor corrosion resistance than pure silicon-based ceramics.

Journal Title

Journal of the American Ceramic Society

Volume

89

Issue/Number

3

Publication Date

1-1-2006

Document Type

Article

Language

English

First Page

1079

Last Page

1082

WOS Identifier

WOS:000236606700048

ISSN

0002-7820

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