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Bulk Transition Elements Based Materials for Magnetic Cooling Application

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Abstract:

In this paper we investigate the performances of two bulk magnetocaloric refrigerants based on La(Fe,Co)13-xSix and prepared by powder metallurgy. Both materials were developed especially for a magnetic cooling machine. We have determined the magnetocaloric effect in term of temperature change under magnetic field using a test-bench with practical running conditions. ΔT was measured under 2 T and close to room temperature range. The obtained results will be compared with those of some reference materials reported in the literature. In addition, a composite material based on La(Fe,Co)13-xSix is proposed for magnetic systems using Ericsson and AMR cycles for refrigeration close to room temperature.

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Solid Compounds of Transition Elements I View Preview

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Periodical:

Solid State Phenomena (Volume 170)

Pages:

248-252

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.170.248

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Online since:

April 2011

Authors:

Mohamed Balli, Osmann Sari, L. Zamni, A. Robert, J. Forchelet, Daniel Fruchart

Keywords:

Magnetic Refrigeration, Magnetocaloric Materials

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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