Journal
SCRIPTA MATERIALIA
Volume 166, Issue -, Pages 92-95Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2019.03.005
Keywords
Elastocaloric effect; Magnetocaloric effect; Ferromagnetic shape memory alloy; Martensitic phase transformation
Categories
Funding
- Mexican Council of Science and Technology (CONACYT) [CB-2010-01-157541, SEP-CB-2015-01-257120]
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In this study, we present magneto- and elastocaloric effects displayed in a Ni-Mn-In-Co-Cu alloy, determined indirectly via a Maxwell relation and by direct measurements of adiabatic temperature change owing to a compressive stress. The proposed alloy has a nominal composition of Ni(44.0)Mn(36.5)In(13.5)CO(3.8)Cu(2.2 )and exhibits martensitic transformation near room temperature. The martensitic transition presents a high sensitivity to the application of magnetic field and uniaxial stress producing over 30 K span in the magnetocaloric effect when a 5 T field is applied and a reversible Delta T-ad = -5.8 K after releasing 100 MPa in the elastocaloric effect. (C) 2019 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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