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Titolo:
Evidence for structural multiplicity of the Sigma=3 incoherent twin boundary in Cu from grain-boundary diffusion measurements
Autore:
Rabkin, E; Minkwitz, C; Herzig, C; Klinger, L;
Indirizzi:
Technion Israel Inst Technol, Dept Mat Engn, IL-32000 Haifa, Israel Technion Israel Inst Technol Haifa Israel IL-32000 L-32000 Haifa, Israel Univ Munster, Inst Met Forsch, D-48149 Munster, Germany Univ Munster Munster Germany D-48149 et Forsch, D-48149 Munster, Germany
Titolo Testata:
PHILOSOPHICAL MAGAZINE LETTERS
fascicolo: 7, volume: 79, anno: 1999,
pagine: 409 - 415
SICI:
0950-0839(199907)79:7<409:EFSMOT>2.0.ZU;2-F
Fonte:
ISI
Lingua:
ENG
Soggetto:
COPPER; SEGREGATION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
20
Recensione:
Indirizzi per estratti:
Indirizzo: Rabkin, E Technion Israel Inst Technol, Dept Mat Engn, IL-32000 Haifa, Israel Technion Israel Inst Technol Haifa Israel IL-32000 ifa, Israel
Citazione:
E. Rabkin et al., "Evidence for structural multiplicity of the Sigma=3 incoherent twin boundary in Cu from grain-boundary diffusion measurements", PHIL MAG L, 79(7), 1999, pp. 409-415

Abstract

Grain-boundary impurity diffusion of Au along the incoherent twin boundaryin a diffusion-bonded Cu bicrystal has been studied by the serial sectioning technique. The measured penetration profiles had a rather atypical shapewhich we interpreted in terms of structural multiplicity of the grain-boundary structure. A method of processing such profiles has been suggested andthe relative fraction of the grain-boundary structural modification exhibiting the lowest diffusion coefficient has been estimated as 60%. The difference between the energies of the two structural modifications has been estimated as being less than 17%, which is in good agreement with the results of computer simulations of the grain-boundary energy in Cu.

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Documento generato il 11/07/20 alle ore 14:37:04