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On the determination of diffusion coefficients in two-component alloys and doped semiconductors: several implications concerning the International Space Station

Autor
Sánchez, O.; Ruiz, X.; Pujalte, M.; Mercader, M.; Batiste, O.; Gavaldà, J.
Tipus d'activitat
Article en revista
Revista
International journal of heat and mass transfer
Data de publicació
2015-07-01
Volum
86
Pàgina inicial
508
Pàgina final
518
DOI
https://doi.org/10.1016/j.ijheatmasstransfer.2015.02.061 Obrir en finestra nova
Projecte finançador
Complejidad y génesis de la turbulencia en flujos fundamentales.
Repositori
http://hdl.handle.net/2117/83083 Obrir en finestra nova
URL
http://www.sciencedirect.com/science/article/pii/S0017931015002240 Obrir en finestra nova
Resum
The accurate determination of mass diffusion coefficients is a technologically relevant problem that has implications on the modelling and control of material processes such as crystal growth and casting. It is also important in the validation of different theories of atomic diffusion. The experimental determination of these coefficients, when there is a liquid phase, is difficult due to the unavoidable presence of buoyancy driven convection currents that enhance mass transport and disturb diffu...
Citació
Sánchez, O., Ruiz, X., Pujalte, M., Mercader, M., Batiste, O., Gavaldà, J. On the determination of diffusion coefficients in two-component alloys and doped semiconductors: several implications concerning the International Space Station. "International journal of heat and mass transfer", 01 Juliol 2015, vol. 86, p. 508-518.
Paraules clau
AHP-Method, Concentration profile, Crystal-growth, Diffusion coefficients, Dilute liquid-metals, Directional solidification, Liquid metals, Long capillaries, Melted semiconductors, Microgravity conditions, Microgravity environment, Multicrystalline silicon, Numerical simulation, Numerical-simulation, Shear cell, Submerged heater method
Grup de recerca
DF - Dinàmica de Fluids: formació d'estructures i aplicacions geofísiques

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