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Tancret, F., Chabert, F. D. F., Christien, F. & Le Gall, R. (2009) Finite element simulation of complex interfacial segregation phenomena in dilute alloys. J. Mater. Sci. 44 4604–4612. 
Added by: Richard Baschera (2016-08-29 14:28:59)   Last edited by: Richard Baschera (2016-08-29 14:46:22)
Type de référence: Article
DOI: 10.1007/s10853-009-3702-6
Numéro d'identification (ISBN etc.): 0022-2461
Clé BibTeX: Tancret2009
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Catégories: HORSIMN
Mots-clés: kinetics, model, multicomponent alloys, sulfur, surface segregations
Créateurs: Chabert, Christien, Le Gall, Tancret
Collection: J. Mater. Sci.
Consultations : 10/389
Indice de consultation : 2%
Indice de popularité : 0.5%
Résumé     
Segregation of trace elements on a surface, at grain boundaries or more generally in any interface can have important consequences: adhesion of thin films, catalytic activity, embrittlement of steels by P or of nickel alloys by S, reinforcement of nickel alloys by B, etc. Segregation kinetics can be simulated by a finite element (FE) approach, by implementing the Darken-Du Plessis equation at the interface and Fick's diffusion laws in the bulk. It is then possible to simulate segregation kinetics in non-isothermal conditions, and to couple segregation and macroscopic heat transfer calculations. A previously developed model is here adapted to the case of complex interfacial segregation phenomena: (i) segregation of a single species with a solute-solute or solute-solvent interaction, (ii) co-segregation of two species with a site competition in the interface, and (iii) segregation of a single species at an interface between two phases. Results are compared with available experimental data.
  
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