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Escape of carbon from ferrite plates in austenite
KTH, Tidigare Institutioner                               , Materialvetenskap.
1993 (engelsk)Inngår i: ACTA METALL MATER, ISSN 0956-7151, Vol. 41, nr 7, s. 1951-1957Artikkel i tidsskrift (Fagfellevurdert) 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.

sted, utgiver, år, opplag, sider
1993. Vol. 41, nr 7, s. 1951-1957
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Identifikatorer
URN: urn:nbn:se:kth:diva-13392DOI: 10.1016/0956-7151(93)90365-YISI: A1993LG38200002OAI: oai:DiVA.org:kth-13392DiVA, id: diva2:325035
Merknad
QC 20100617Tilgjengelig fra: 2010-06-17 Laget: 2010-06-17 Sist oppdatert: 2010-06-17bibliografisk kontrollert
Inngår i avhandling
1. Computer simulation of diffusion controlled transformations in multicomponent alloys
Åpne denne publikasjonen i ny fane eller vindu >>Computer simulation of diffusion controlled transformations in multicomponent alloys
1997 (engelsk)Doktoravhandling, med artikler (Annet vitenskapelig)
sted, utgiver, år, opplag, sider
Stockholm: KTH, 1997. s. 17
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Identifikatorer
urn:nbn:se:kth:diva-2481 (URN)91-7170-790-5 (ISBN)
Disputas
1997-03-01, 00:00
Merknad
QC 20100617Tilgjengelig fra: 2000-01-01 Laget: 2000-01-01 Sist oppdatert: 2010-06-17bibliografisk kontrollert

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