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Chemical Vapor Infiltration Process Modeling and Optimization

Published online by Cambridge University Press:  10 February 2011

T. M. Besmann ,
W. M. Matlin  and
D. P. Stinton
T. M. Besmann
Affiliation:
Metals and Ceramics Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831-6063, tmb@oml.gov
W. M. Matlin
Affiliation:
Department of Materials Science and Engineering, University of Tennessee, Knoxville, TN 37996
D. P. Stinton
Affiliation:
Metals and Ceramics Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831-6063, tmb@oml.gov
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Abstract

Chemical vapor infiltration is a unique method for preparing continuous fiber ceramic composites that spares the strong but relatively fragile fibers from damaging thermal, mechanical, and chemical degradation. The process is relatively complex and modeling requires detailed phenomenological knowledge of the chemical kinetics and mass and heat transport. An overview of some of the current understanding and modeling of CVI and examples of efforts to optimize the processes is given. Finally, recent efforts to scale-up the process to produce tubular forms are described.

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References

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