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A micromechanistic model of the combustion synthesis process: Part II. Numerical simulation

Published online by Cambridge University Press:  03 March 2011

Yangsheng Zhang
Affiliation:
School of Ceramic Engineering and Science, New York State College of Ceramics at Alfred University, Alfred, New York 14802
Gregory C. Stangle
Affiliation:
School of Ceramic Engineering and Science, New York State College of Ceramics at Alfred University, Alfred, New York 14802
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Abstract

A series of computer experiments was conducted for the self-propagating combustion synthesis process in the Nb-C system, based on the general theoretical model that was developed previously.1 A detailed and quantitative description was given for the various physical and chemical processes that take place during the combustion synthesis process. The results are presented at various length scales in order to provide an insight into understanding the mechanisms that are responsible for the self-propagating behavior. It was shown that a fundamental understanding and precise control of the process require a strong emphasis on the joint contributions of the rates of the various mass and energy redistribution processes that occur during the combustion synthesis process. A proper balance of each of the elementary process rates must be achieved to give rise to self-propagating behavior. This paper illustrates some of the capabilities of the general theoretical model in quantitatively describing the self-propagating combustion synthesis process.

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Articles
Copyright
Copyright © Materials Research Society 1994

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References

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