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Interaction of Titanium with SiC Coated Boron Fiber

Published online by Cambridge University Press:  21 February 2011

Luchen Hwan ,
Beng Jit Tan ,
Steven L. Suib  and
Francis S. Galasso
Luchen Hwan
Affiliation:
University of Connecticut, Storrs, CT 06268
Beng Jit Tan
Affiliation:
University of Connecticut, Storrs, CT 06268
Steven L. Suib
Affiliation:
University of Connecticut, Storrs, CT 06268
Francis S. Galasso
Affiliation:
United Technologies Research Center, East Hartford, CT 06108
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Abstract

SICABO fiber, which is one of the silicon carbide coated fibers, has been found to be more stable than BORSIC fiber in titanium matrix composites because SICABO fiber has excess carbon in the SiC layer which was determined by an AES depth profile study. Tensile strength data also show that the SICABO fiber has a higher tensile strength after heating in titanium during hot pressing and chemical vapor deposition processing. Ti5Si3 and TiSi phases were identified from XRD studies on titanium coated BORSIC, but there was no TiSi phase identified in the titanium coated SICABO fiber. AES depth profile results have shown that the BORSIC-Ti has a broad interdiffusion zone.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 168 , 1989 , 239
Copyright
Copyright © Materials Research Society 1990

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References

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