Abstract
The elastocaloric and magnetocaloric effects in a polycrystalline ferromagnetic shape memory alloy Co37Ni35Al28 are investigated. The alloy shows conventional elastocaloric effect with entropy change of −5.05Jkg−1K−1 under 350MPa. The temperature change of its elastocaloric effect is over 1K within a working temperature range of 80K covering ambient temperature. Moreover, the alloy also shows conventional magnetocaloric effect. The conventional elastocaloric and magnetocaloric effects of the alloy possess the same sign of entropy change and temperature change, the simultaneous use of multiple caloric effects can be achieved by applying stress and magnetic field, which improves its overall refrigeration capability.
Published Version
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