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Title
Sum-rule relationships among phenomenological coefficients: Simplifications for the analysis of segregation and chemical diffusion
Author/Creator
Belova, Irina V.;  Murch, G. E.
Description
In this review article, the authors first introduce the phenomenological transport coefficients, and the relationships between them and the tracer diffusion coefficients. Next, the authors discuss a sum rule relating phenomenological coefficients themselves in the random-alloy model. The authors then consider several applications of the sum rule to diffusion problems. These applications include intrinsic diffusion in multicomponent alloys, chemical diffusion in strongly ionic mixed cation crystals, and the segregation (demixing) of cations in mixed oxides in an oxygen potential gradient and/or an electric field. In each case, a substantial simplification is possible as a result of the sum rule.
Relation
Journal of Phase Equilibria and Diffusion Vol. 26, no. 5, p. 503-509
Date
2005
Publisher
ASM International
Keyword(s)
self-consistent theory;  manning relations;  random alloy;  matter;  transport;  atomic diffusion;  solid-solutions;  ordered alloy;  simulation;  mechanism;  crystals
Resource Type
journal article
Identifier
http://hdl.handle.net/1959.13/24517
Identifier
ISSN:1547-7037
Language
eng
Reviewed
Reviewed
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Subject
"Journal of Phase Equilibria and Diffusion"
 
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