Summary
In this paper, the authors review the magnetocaloric properties of Ni-Mn-based Heusler alloys in the vicinity of their martensitic transition and its relation to their magnetic shape-memory and superelastic behaviour. They show that this striking magnetomechanical behaviour is possible thanks to the existence of a strong interplay between structure and magnetism in this class of materials. This interplay enables a magnetic field re-arrangement of twin-related martensitic variants as well as the possibility of magnetically inducing the martensitic transition. These two effects are respectively controlled by the magnetocrystalline anisotropy of the martensitic phase and by the difference of magnetic moments between martensitic and parent phases. The authors show that the magnetocaloric properties in these Heusler materials are determined from contributions associated with these two effects and discuss the requirements for the occurrence of the inverse magnetocaloric effect.
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Details
- Original title: Magnetocaloric effect in Ni-Mn-based ferromagnetic shape-memory alloys.
- Record ID : 2009-1620
- Languages: English
- Source: 3rd International Conference on Magnetic Refrigeration at Room Temperature
- Publication date: 2009/05/11
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Indexing
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Themes:
Refrigerant circulation: piping, control, automation, safety;
Caloric cooling (magnetocaloric, electrocaloric, elastocaloric and barocaloric cooling);
Other refrigerating systems (desiccant cooling, thermoelectrics, thermoacoustics…) - Keywords: Mechanical property; Manganese; Magnetic refrigerator; Alloy; Magnetic property; Material; Indium; Nickel; Tin; Additive
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Monte Carlo study of magnetocaloric effect of H...
- Author(s) : BUCHELNIKOV V. D., SOKOLOVSKIY V. V., TASKAEV S. V., et al.
- Date : 2009/05/11
- Languages : English
- Source: 3rd International Conference on Magnetic Refrigeration at Room Temperature
- Formats : PDF
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Magnetostructural transition and magnetocaloric...
- Author(s) : LIU J., LYUBINA J., GUTFLEISCH O.
- Date : 2009/05/11
- Languages : English
- Source: 3rd International Conference on Magnetic Refrigeration at Room Temperature
- Formats : PDF
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Magnetocaloric properties of some derivatives o...
- Author(s) : BAN V., RECOUR Q., MAZET T., et al.
- Date : 2009/05/11
- Languages : English
- Source: 3rd International Conference on Magnetic Refrigeration at Room Temperature
- Formats : PDF
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Histéresis magnética y capacidad de refrigeraci...
- Author(s) : DUAN J. F., LONG Y., MA T., et al.
- Date : 2010/12
- Languages : Spanish
- Source: Frío Calor Aire acondicionado - vol. 38 - n. 431
- Formats : PDF
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Magnetic hysteresis and refrigeration capacity ...
- Author(s) : DUAN J. F., LONG Y., MA T., et al.
- Date : 2009/05/11
- Languages : English
- Source: 3rd International Conference on Magnetic Refrigeration at Room Temperature
- Formats : PDF
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