H - Electricity – 01 – F
Patent
H - Electricity
01
F
H01F 1/01 (2006.01)
Patent
CA 2721621
The method for producing metal-based materials for magnetic cooling or heat pumps comprises the following steps: a) reacting chemical elements and/or alloys in a stoichiometry which corresponds to the metal-based material in the solid and/or liquid phase, b) optionally converting the reaction product from step a) into a solid, c) sintering and/or tempering the solid from step a) or b), d) quenching the sintered and/or tempered solid from step c) at a cooling speed of at least 100 K/s.
L'invention porte sur un procédé de fabrication de matériaux à base de métal pour le refroidissement magnétique ou pour pompes à chaleur, qui comprend les étapes suivantes : a) réaction en phase solide et/ou en phase liquide des éléments chimiques et/ou des alliages, dans une stoehiométrie qui correspond au matériau à base de métal, b) éventuellement conversion du produit de la réaction de l'étape a) en un solide, c) frittage et/ou recuit du solide provenant de l'étape a) ou b), d) trempe du solide fritté et/ou recuit de l'étape c) avec une vitesse de refroidissement d'au moins 100 K/s.
Brueck Ekkehard
Nguyen Thanh Trung
Robic
Technology Foundation Stw
University Of Amsterdam
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