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A general method for calculating deviation from local equilibrium at phase interfaces
KTH, Superseded Departments, Materials Science and Engineering.
KTH, Superseded Departments, Metallurgy.
2003 (English)In: Acta Materialia, ISSN 1359-6454, E-ISSN 1873-2453, Vol. 51, no 4, 1035-1043 p.Article in journal (Refereed) Published
Abstract [en]

A general method to calculate the deviation from local equilibrium at phase interfaces in multicomponent systems is suggested. The deviation is caused by solute drag and finite interfacial mobility. In the limit of low transformation rates the new method degenerates to the well-known local equilibrium condition. The phase interface is divided into three zones, each with a finite thickness. In each zone a variation in thermodynamic properties and diffusional mobilities is assumed.

Place, publisher, year, edition, pages
2003. Vol. 51, no 4, 1035-1043 p.
Keyword [en]
diffusion, thermodynamics, solute drag, partitionless transformation, solute drag, numerical treatment, diffusion, transformation, alloys
URN: urn:nbn:se:kth:diva-22272DOI: 10.1016/s1359-6454(02)00507-4ISI: 000181137700012OAI: diva2:340970
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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