Thermodynamic Model For Reaction Rim Growth: Interface Reaction and Diffusion Control

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ID: 301132
2011
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Abstract
We present a thermodynamic model for reaction rim growth in a binary system containing only phases of fixed compositions. The necessary diffusion of the chemical components across the growing rim and the motion of the phase boundaries on either side of the rim are considered as the only dissipative processes involved. It is shown that for finite interface mobilities rim growth is inevitably interface reaction controlled during the initial growth stage. At a later stage a gradual transition to diffusion controlled growth occurs. Evolution equations describing this transition from linear to parabolic growth behavior are presented for planar, cylindrical and spherical geometry.
Reference Key
openalex_W1975709543 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Rainer Abart, Elena Petrishcheva
Journal american journal of science
Year 2011
DOI
10.2475/06.2011.02
URL
Keywords Keywords not found

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