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Epoxy-bonded La-Fe-Co-Si magnetocaloric platesPulko, Barbara, naravoslovje ...We report the processing, analysis and testing of magnetocaloric composite materials consisting of La-Fe-Co-Si particles of various size fractions and a polymer matrix. All of the composites have ... working temperatures close to room temperature. The composites were pressed into thin plates, a geometry favorable for testing the composites in an active magnetic regenerator (AMR). In order to investigate the influence of particle size and binder type (epoxy), eight different epoxy-bonded La-Fe-Co-Si plates were made and analyzed. We found that the higher filling factor that can be achieved by using a mixture of several particle size fractions has beneficial influence on the thermal conductivity. Tests in the AMR revealed that a maximum temperature span of approximately T=10 K under magnetic field change of 0H=1.15 T can be obtained at no cooling load conditions. The stability of the measured T values and the mechanical integrity of sample after cyclic application of a magnetic field have been monitored for 90,000 cycles and showed no significant changes. We therefore conclude that epoxy-bonded La-Fe-Co-Si magnetocaloric composites have good magnetocaloric properties at low material-processing costs and hence represent a competitive way to produce magnetocaloric materials to be used in AMR.Vir: Journal of Magnetism and Magnetic Materials. - ISSN 0304-8853 (Vol. 375, Feb. 2015, str. 65-73)Vrsta gradiva - članek, sestavni delLeto - 2015Jezik - angleškiCOBISS.SI-ID - 13703963
Avtor
Pulko, Barbara, naravoslovje |
Tušek, Jaka |
Moore, James D. |
Weise, Bruno |
Skokov, Konstantin |
Mityashkin, Oleg |
Kitanovski, Andrej |
Favero, Chiara |
Fajfar, Peter, 1958- |
Gutfleisch, Oliver |
Waske, Anja |
Poredoš, Alojz
Teme
magnetocaloric effect |
magnetic refrigeration |
La-Fe-Co-Si |
active magnetic regenerator |
epoxy |
magnetokalorični efekt |
procesiranje materialov |
magnetokalorični material |
magnetno hlajenje
Vnos na polico
Trajna povezava
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Faktor vpliva
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Baze podatkov, v katerih je revija indeksirana
Ime baze podatkov | Področje | Leto |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Pulko, Barbara, naravoslovje | |
Tušek, Jaka | 29624 |
Moore, James D. | |
Weise, Bruno | |
Skokov, Konstantin | |
Mityashkin, Oleg | |
Kitanovski, Andrej | 18580 |
Favero, Chiara | |
Fajfar, Peter, 1958- | 05204 |
Gutfleisch, Oliver | |
Waske, Anja | |
Poredoš, Alojz | 06415 |
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