Scaling laws for the magnetocaloric effect in second order phase transitions / V. Franco in International journal of refrigeration, Vol. 33 N° 3 (Mai 2010)  

Public ISBD [article]  inInternational journal of refrigeration > Vol. 33 N° 3 (Mai 2010) . - pp. 465-473 Titre : Scaling laws for the magnetocaloric effect in second order phase transitions : From physics to applications for the characterization of materials Titre original : Lois d'échelle gouvernant l'effet magnétocalorique des transitions de phase de seconde ordre: de la physique aux applications permettant de caractériser les matériaux Type de document : texte imprimé Auteurs : V. Franco, Auteur ; A. Conde, Auteur Année de publication : 2010 Article en page(s) : pp. 465-473 Note générale : Génie Mécanique Langues : Anglais (eng) Mots-clés : Magnetic refrigerator property Alloy Material Index. décimale : 621.5 Energie pneumatique. Machinerie et outils. Réfrigération Résumé : The detailed procedure for constructing the recently proposed phenomenological universal curve for the magnetic entropy change is presented, together with the exponents which control the field dependence of the different magnetocaloric-related magnitudes. Practical applications of the universal curve are also outlined: as a simple screening procedure of the performance of materials, as a method for making extrapolations to temperatures or fields not available in the laboratory, for the reduction of the experimental noise, for correcting the influence of non-saturating conditions, or as a way to eliminate the contribution of minority magnetic phases, among others. DEWEY : 621.5 ISSN : 0140-7007 En ligne : http://www.sciencedirect.com/science/article/pii/S0140700709003144 [article] Scaling laws for the magnetocaloric effect in second order phase transitions = Lois d'échelle gouvernant l'effet magnétocalorique des transitions de phase de seconde ordre: de la physique aux applications permettant de caractériser les matériaux : From physics to applications for the characterization of materials [texte imprimé] / V. Franco, Auteur ; A. Conde, Auteur . - 2010 . - pp. 465-473. Génie Mécanique Langues : Anglais (eng) in International journal of refrigeration > Vol. 33 N° 3 (Mai 2010) . - pp. 465-473 Mots-clés : Magnetic refrigerator property Alloy Material Index. décimale : 621.5 Energie pneumatique. Machinerie et outils. Réfrigération Résumé : The detailed procedure for constructing the recently proposed phenomenological universal curve for the magnetic entropy change is presented, together with the exponents which control the field dependence of the different magnetocaloric-related magnitudes. Practical applications of the universal curve are also outlined: as a simple screening procedure of the performance of materials, as a method for making extrapolations to temperatures or fields not available in the laboratory, for the reduction of the experimental noise, for correcting the influence of non-saturating conditions, or as a way to eliminate the contribution of minority magnetic phases, among others. DEWEY : 621.5 ISSN : 0140-7007 En ligne : http://www.sciencedirect.com/science/article/pii/S0140700709003144

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