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Escape of carbon from ferrite plates in austenite
KTH, Superseded Departments, Materials Science and Engineering.
1993 (English)In: ACTA METALL MATER, ISSN 0956-7151, Vol. 41, no 7, 1951-1957 p.Article in journal (Refereed) Published
Abstract [en]

A newly developed computer program for the simulation of diffusional transformations has been applied to study the escape of carbon from a plate of ferrite assuming that the plate initially formed by a partitionless reaction from an Fe-C austenite. Thereafter the ferrite austenite interface was assumed to be immobile and local equilibrium was assumed for carbon but not for iron. The process first follows a parabolic rate law and is there controlled by the rate of diffusion in ferrite. Later stages are not parabolic and are controlled by the diffusivity in austenite. Its concentration dependence was taken into account. It was found that the rate could be estimated analytically using the maximum value rather than the average value.

Place, publisher, year, edition, pages
1993. Vol. 41, no 7, 1951-1957 p.
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:kth:diva-13392DOI: 10.1016/0956-7151(93)90365-YISI: A1993LG38200002OAI: oai:DiVA.org:kth-13392DiVA: diva2:325035
Note
QC 20100617Available from: 2010-06-17 Created: 2010-06-17 Last updated: 2010-06-17Bibliographically approved
In thesis
1. Computer simulation of diffusion controlled transformations in multicomponent alloys
Open this publication in new window or tab >>Computer simulation of diffusion controlled transformations in multicomponent alloys
1997 (English)Doctoral thesis, comprehensive summary (Other scientific)
Place, publisher, year, edition, pages
Stockholm: KTH, 1997. 17 p.
National Category
Natural Sciences
Identifiers
urn:nbn:se:kth:diva-2481 (URN)91-7170-790-5 (ISBN)
Public defence
1997-03-01, 00:00
Note
QC 20100617Available from: 2000-01-01 Created: 2000-01-01 Last updated: 2010-06-17Bibliographically approved

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CiteExportLink to record
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  • apa
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