Nonlinear Field Theory of the Stress Induced Interdiffusion
and Mass Transport
|
| Journal |
Defect and Diffusion Forum (Volume 264) |
| Volume |
Diffusion and Stresses |
| Edited by |
D. L. Beke, Z. Erdélyi and I. A. Szabó |
| Pages |
63-70 |
| DOI |
10.4028/www.scientific.net/DDF.264.63 |
| Online since |
April, 2007 |
| Authors |
Paweł Dłużewski |
| Keywords |
Chemical Strain, Driving Force, Interdiffusion, Kirkendall Effect, Mass Transport |
| Abstract |
Constitutive equations for interdiffusion and mass transport induced by the stress
gradient in crystal lattice is presented in terms of continuum thermodynamics. Only the stan-
dard balance laws are analysed for the mass, momentum, moment of momentum, energy and
entropy. In consequence the driving forces for interdiffusion of chemical constituents are deter-
mined. The forces depend not only on the stress gradient but also on the gradients of chemical
components and temperature. The driving forces are used next in constitutive modelling of
interdiffusion and mass transport in crystal lattice. |
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