Diffusion Processes in a Migrating Interface ? The Thick Interface Model

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081723%3A_____%2F11%3A00363680" target="_blank" >RIV/68081723:_____/11:00363680 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1016/j.actamat.2011.04.020" target="_blank" >http://dx.doi.org/10.1016/j.actamat.2011.04.020</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.actamat.2011.04.020" target="_blank" >10.1016/j.actamat.2011.04.020</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Diffusion Processes in a Migrating Interface ? The Thick Interface Model

Popis výsledku v původním jazyce

During a solid/solid diffusive phase transformation from a parent b-phase to a product a-phase, dissipative processes due to diffusion in the bulk phases as well as rearrangement of the crystal lattice and diffusion in the interfacial region occur. A model has been developed that accounts for all the above-mentioned dissipative processes. By means of this thick-interface model it is possible to assign a finite thickness and a finite mobility to the interface. The evolution of the mole fraction profilesof the components in the bulk phases and in the interface can be simulated from a given initial state until a steady state or equilibrium is attained. Based on this theoretical framework the kinetics of the c/a phase transformation in the Fe-rich Fe?Cr?Ni system is simulated. Starting from a certain initial composition the transformation kinetics exhibits the features of a massive or a bulk diffusion controlled transformation depending on temperature.

Název v anglickém jazyce

Diffusion Processes in a Migrating Interface ? The Thick Interface Model

Popis výsledku anglicky

During a solid/solid diffusive phase transformation from a parent b-phase to a product a-phase, dissipative processes due to diffusion in the bulk phases as well as rearrangement of the crystal lattice and diffusion in the interfacial region occur. A model has been developed that accounts for all the above-mentioned dissipative processes. By means of this thick-interface model it is possible to assign a finite thickness and a finite mobility to the interface. The evolution of the mole fraction profilesof the components in the bulk phases and in the interface can be simulated from a given initial state until a steady state or equilibrium is attained. Based on this theoretical framework the kinetics of the c/a phase transformation in the Fe-rich Fe?Cr?Ni system is simulated. Starting from a certain initial composition the transformation kinetics exhibits the features of a massive or a bulk diffusion controlled transformation depending on temperature.

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

BJ - Termodynamika

OECD FORD obor

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Projekt

<a href="/cs/project/OC10029" target="_blank" >OC10029: Termodynamické modelování vývoje mikrostruktury v nanokompozitech.</a><br>

Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2011

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Acta Materialia

ISSN

1359-6454

e-ISSN

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Svazek periodika

59

Číslo periodika v rámci svazku

12

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

12

Strana od-do

4775-4786

Kód UT WoS článku

000292426500004

EID výsledku v databázi Scopus

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