Journal
APPLIED PHYSICS LETTERS
Volume 105, Issue 16, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4899147
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Funding
- National Natural Science Foundation of China [51371184]
- Zhejiang Provincial Natural Science Foundation of China [LR14E010001]
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By direct measurements, the elastocaloric effect at various temperatures in a [001]-oriented Ni45.7Mn36.6In13.3Co5.1 metamagnetic shape memory polycrystal has been investigated. A reversible temperature change of +/-3.5 K, due to the relatively low stress (100 MPa) induced martensitic transformation, was observed at room temperature. A theoretical analysis based on the Debye description has revealed that the adiabatic temperature change arising from the lattice vibration plays a dominant role in the large elastocaloric effect for Ni-Mn-In-Co alloys. (C) 2014 AIP Publishing LLC.
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