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Assessment and evaluation of mobilities for diffusion in the bcc Cr-Mo-Fe system
RISE, Swerea, Swerea KIMAB.
RISE, Swerea, Swerea KIMAB.
2012 (English)In: Journal of Phase Equilibria and Diffusion, ISSN 15477037, Vol. 33, no 5, 375-389 p.Article in journal (Refereed)
Abstract [en]

An assessment of the diffusion mobility functions for diffusion in the bcc Cr-Fe-Mo system is presented. The optimization of the mobility parameters is performed by utilizing experimental diffusion data available in literature. New diffusion data for the Mo diffusion is produced by a diffusion couple experiment and is accounted for in the optimization. Agreement between calculated and measured diffusion coefficients is found. An M6C coarsening experiment is performed and the measured coarsening rate can be reproduced by diffusion calculation using the DICTRA software and the developed kinetic description. The mobility parameters are shown to have a strong influence on the calculated coarsening rate. © ASM International, 2012.

Place, publisher, year, edition, pages
2012. Vol. 33, no 5, 375-389 p.
Keyword [en]
Assessment, Coarsening, DICTRA modeling, Mo carbides, Multicomponent diffusion, Tool steels
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:ri:diva-12827DOI: 10.1007/s11669-012-0107-zScopus ID: 2-s2.0-84870656570OAI: oai:DiVA.org:ri-12827DiVA: diva2:973020
Available from: 2016-09-22 Created: 2016-09-22Bibliographically approved

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