Title

Combined Spectroscopic And Thermodynamic Investigation Of Nextel-720 Fiber/Alumina Ceramic-Matrix Composite In Air And Water Vapor At 1100°C

Abstract

The high-temperature performance of a Nextel-720 fiber/Al2O3 composite in air and water vapor at 1100°C was investigated using X-ray photoelectron spectroscopy (XPS) and thermodynamic calculations. In the presence of water vapor, the formation of volatile Si(OH)4 was responsible for the loss of mullite phase in the fiber of the ceramic-matrix composite (CMC). XPS analysis revealed the formation of surface aluminosilicates for the water-vapor-exposed CMC for 1000 h.

Publication Date

1-1-2003

Publication Title

Journal of the American Ceramic Society

Volume

86

Issue

9

Number of Pages

1628-1630

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1111/j.1151-2916.2003.tb03530.x

Socpus ID

0042323239 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/0042323239

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