Determination of depths of multiple traps for interstitials and their influence on diffusion kinetics

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081723%3A_____%2F14%3A00435166" target="_blank" >RIV/68081723:_____/14:00435166 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1088/0965-0393/22/6/065015" target="_blank" >http://dx.doi.org/10.1088/0965-0393/22/6/065015</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1088/0965-0393/22/6/065015" target="_blank" >10.1088/0965-0393/22/6/065015</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Determination of depths of multiple traps for interstitials and their influence on diffusion kinetics

Popis výsledku v původním jazyce

Trapping of interstitial atoms by foreign substitutional atoms is a phenomenon that significantly influences the chemistry of the system as well as the diffusivity of the interstitial components. In their previous paper (Svoboda et al 2013 Modelling Simul. Mater. Sci. Eng. 21 065012), the present authors determined the trapping energy and the chemical diffusion coefficient of an interstitial component for a dilute system by assuming only one type of trap. This model is now generalized for non-dilute systems, and it accounts for the fact that each interstitial trap position can be influenced by several foreign atoms. The model is applied to a non-dilute Fe-Cr-rather dilute C system neglecting interstitial-interstitial interactions. Fitting of the chemical potential of the interstitial component given by the model to that given by thermodynamic databases provides parameters allowing calculation of the depth of the trap depending on the number of foreign atoms surrounding the trap positio

Název v anglickém jazyce

Determination of depths of multiple traps for interstitials and their influence on diffusion kinetics

Popis výsledku anglicky

Trapping of interstitial atoms by foreign substitutional atoms is a phenomenon that significantly influences the chemistry of the system as well as the diffusivity of the interstitial components. In their previous paper (Svoboda et al 2013 Modelling Simul. Mater. Sci. Eng. 21 065012), the present authors determined the trapping energy and the chemical diffusion coefficient of an interstitial component for a dilute system by assuming only one type of trap. This model is now generalized for non-dilute systems, and it accounts for the fact that each interstitial trap position can be influenced by several foreign atoms. The model is applied to a non-dilute Fe-Cr-rather dilute C system neglecting interstitial-interstitial interactions. Fitting of the chemical potential of the interstitial component given by the model to that given by thermodynamic databases provides parameters allowing calculation of the depth of the trap depending on the number of foreign atoms surrounding the trap positio

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/GA14-24252S" target="_blank" >GA14-24252S: Příprava a optimalizace creepu odolných kompozitů s Fe-Al matricí a částicemi Al2O3 s submikronovou strukturou</a><br>

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2014

Kód důvěrnosti údajů

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

Název periodika

Modelling and Simulation in Materials Science and Engineering

ISSN

0965-0393

e-ISSN

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Svazek periodika

22

Číslo periodika v rámci svazku

6

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

16

Strana od-do

"Art. No. 065015"

Kód UT WoS článku

000341230900015

EID výsledku v databázi Scopus

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