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A model-based continuum treatment of ordering and spinodal decomposition
KTH, Superseded Departments, Materials Science and Engineering.
2001 (English)In: Acta Materialia, ISSN 1359-6454, E-ISSN 1873-2453, Vol. 49, no 13, 2491-2497 p.Article in journal (Refereed) Published
Abstract [en]

Using the absolute reaction rate theory, a continuum treatment of ordering and spinodal decomposition is derived from the original planar discrete lattice model which was based on a Bragg-Williams type of approach. For small amplitudes the result agrees with Cahn's linearized equation for spinodal decomposition. The kinetic equation for ordering has a factor not included in the Allen-Cahn equation which depends on the local degree of order and may have important consequences.

Place, publisher, year, edition, pages
2001. Vol. 49, no 13, 2491-2497 p.
Keyword [en]
homogeneous phase transformations, ordering, spinodal decomposition, thermodynamics, diffusion, evolution, mobility, motion
Identifiers
URN: urn:nbn:se:kth:diva-20837ISI: 000170159500014OAI: oai:DiVA.org:kth-20837DiVA: diva2:339534
Note
QC 20100525Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2017-12-12Bibliographically approved

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