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Linear-parabolic transition in reactive diffusion – A concept of kinetic modelling

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Abstract In Erdelyi and Schmitz (2012) a flexible concept for the computational description of the phase formation and growth in solid state reactions was described. Unlike in other established approaches,… Click to show full abstract

Abstract In Erdelyi and Schmitz (2012) a flexible concept for the computational description of the phase formation and growth in solid state reactions was described. Unlike in other established approaches, it is not required to predefine and trace phase boundaries by dividing surfaces or similar concepts. We show how to extend the concept to the transition between linear to parabolic growth kinetics. Although no interphase boundaries are predefined, it is nevertheless possible to correctly describe the impact of interfacial transport barriers. This allows a transparent modelling of the linear-parabolic transitions in reactive diffusion.

Keywords: concept; transition; linear parabolic; modelling linear; reactive diffusion

Journal Title: Computational Materials Science
Year Published: 2017

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