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| Titel: |
Experimental verification of the Stokes-Einstein relation in liquid Fe—FeS at 5 GPa |
| Auteur: |
DOBSON, DAVID P. BRODHOLT, JOHN P. VOCADLO, LIDUNKA CRICHTON, WILSON A. |
| Verschenen in: |
Molecular physics |
| Paginering: | Jaargang 99 (2001) nr. 10 pagina's 773-777 |
| Jaar: |
2001-05-20 |
| Inhoud: |
Experiments have been performed at 5 GPa on liquid Fe-FeS in order to determine Fe and S self-diffusivity as a function of temperature. The viscosity of the sample was then obtained using the Stokes-Einstein relation. The results are in excellent agreement with previous experiments where the viscosity of a material of the same composition under similar conditions was measured directly. These results support high, near-metallic, values of diffusivity and low viscosity in liquid Fe-S up to a few hundred K above the eutectic temperature, in contrast with some previous studies. Moreover, these results fully confirm the validity of the Stokes-Einstein relation between viscosity and diffusion coefficients for Fe0.61S0.39. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 7 van 19 gevonden artikelen
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