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Journal of Materials Science

Published in:

01-04-2007

Density gradients in aluminium foams: characterisation by computed tomography and measurements of the effective thermal conductivity

Authors: E. Solórzano, M. A. Rodríguez-Pérez, J. A. Reglero, J. A. de Saja

Published in: Journal of Materials Science | Issue 8/2007

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Abstract

The density gradients present in several aluminium foams, produced by the powder metallurgical route, have been analysed by using computed tomography and by measuring the effective thermal conductivity (λ). The method used to measure λ, Transient Plane Source (TPS) technique, allows obtaining values of the local thermal conductivity, i.e. conductivity of a localised zone within the sample. These values have been related to the density of the measured zone, which was obtained from the computed tomography experiments. A power law relationship between local effective thermal conductivity and local density has been obtained.

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Title: Density gradients in aluminium foams: characterisation by computed tomography and measurements of the effective thermal conductivity
Authors: E. Solórzano
M. A. Rodríguez-Pérez
J. A. Reglero
J. A. de Saja
Publication date: 01-04-2007
Publisher: Kluwer Academic Publishers-Plenum Publishers
Published in: Journal of Materials Science / Issue 8/2007
Print ISSN: 0022-2461
Electronic ISSN: 1573-4803
DOI: https://doi.org/10.1007/s10853-006-1233-y

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