Paper Titles
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Preface
Bridging Different Length and Time Scales in Diffusion Problems Using a Lattice Monte Carlo Method
p.1
Electro-Mechano-Chemistry; Transport Problem in Four Time Scales
p.11
Concurrent Multiscale Kinetic Monte Carlo-Continuum Models for the Evolution of Solids via Diffusion
p.19
Comparison of the Strain Distribution Obtained from Multi Scale and Conventional Approaches to Modelling Extrusion
p.25
Energetic Landscapes and Diffusion Properties in FeCu Alloys
p.31
Multi-Lattice Kinetic Monte Carlo Simulation of Interface Controlled Solid-State Transformations
p.41

Electro-Mechano-Chemistry; Transport Problem in Four Time Scales

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Abstract:

The mass transport in the presence of stress, electrical, mechanical and chemical potential gradients in multicomponent solid solution is analyzed. The method bases on the Darken concept and the calorimetric equation of state. We effectively coupled the conservation of the mass (continuity equations), energy, momentum and Gauss equations. The diffusion fluxes of the components are given by the Nernst-Planck formulae and take into account the electro-chemical and mechanical potentials. We simulate the deformation field during the diffusion caused by the gradients of the chemical potential of all elements in non-ideal Fe-Cu-Ni alloy. The simulations show that the model is compatible with experimental results, and can be effectively used for modelling the energy, momentum and mass transport problems in compressible multicomponent solid solutions. The numerical problems and methods of solution are presented.

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Periodical:

Solid State Phenomena (Volume 129)

Pages:

11-18

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.129.11

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Online since:

November 2007

Authors:

Marek Danielewski, Maciej Pietrzyk, Bartłomiej Wierzba

Keywords:

Alloy, Electromechano-Chemistry, Interdiffusion, Navier-Lamé, Nondimensionalization, Self-Velocity, Stress, Time Scales

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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