The temperature variant of the First-Order Reversal Curves (TFORC) technique has been applied to study the thermal hysteresis of two magnetocaloric Heusler alloys with slightly different compositions that are close to the stoichiometry Ni50Mn34In16. The similarity of the compositions causes the samples to have similar Curie temperature but different martensitic transition temperature and thermal hysteresis, leading to different features when analyzing the TFORC distributions due to the different relative distance between the two transitions. The asymmetry of the martensitic transformation upon cooling and heating has relevant effects on the TFORC distributions. The experimental results have been compared to the predictions of a model of the transformation, which allows to separate the contributions of the magneto-structural transformation and the thermomagnetic behavior of both martensitic and austenitic phases, allowing to determine the origin of the different features of the distributions. (C) 2021 Elsevier B.V. All rights reserved.
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Univ Tehran, Coll Engn, Sch Met & Mat, Adv Magnet Mat Res Ctr, Tehran 111554563, IranUniv Tehran, Coll Engn, Sch Met & Mat, Adv Magnet Mat Res Ctr, Tehran 111554563, Iran
Attyabi, Seyed Nourallah
Ebrahimi, Seyyed Ali Seyyed
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Univ Tehran, Coll Engn, Sch Met & Mat, Adv Magnet Mat Res Ctr, Tehran 111554563, IranUniv Tehran, Coll Engn, Sch Met & Mat, Adv Magnet Mat Res Ctr, Tehran 111554563, Iran
Ebrahimi, Seyyed Ali Seyyed
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Lalegani, Zahra
Hamawandi, Bejan
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KTH Royal Inst Technol, Dept Appl Phys, SE-10691 Stockholm, SwedenUniv Tehran, Coll Engn, Sch Met & Mat, Adv Magnet Mat Res Ctr, Tehran 111554563, Iran
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IFW Dresden, Leibniz Inst Solid State & Mat Res Dresden, Inst Metall Mat, D-01171 Dresden, GermanyIFW Dresden, Leibniz Inst Solid State & Mat Res Dresden, Inst Metall Mat, D-01171 Dresden, Germany
Skokov, K. P.
Khovaylo, V. V.
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IFW Dresden, Leibniz Inst Solid State & Mat Res Dresden, Inst Metall Mat, D-01171 Dresden, Germany
Natl Univ Sci & Technol MISiS, Moscow 119049, RussiaIFW Dresden, Leibniz Inst Solid State & Mat Res Dresden, Inst Metall Mat, D-01171 Dresden, Germany
Khovaylo, V. V.
Mueller, K. -H.
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IFW Dresden, Leibniz Inst Solid State & Mat Res Dresden, Inst Metall Mat, D-01171 Dresden, GermanyIFW Dresden, Leibniz Inst Solid State & Mat Res Dresden, Inst Metall Mat, D-01171 Dresden, Germany
Mueller, K. -H.
Moore, J. D.
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IFW Dresden, Leibniz Inst Solid State & Mat Res Dresden, Inst Metall Mat, D-01171 Dresden, GermanyIFW Dresden, Leibniz Inst Solid State & Mat Res Dresden, Inst Metall Mat, D-01171 Dresden, Germany
Moore, J. D.
Liu, J.
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IFW Dresden, Leibniz Inst Solid State & Mat Res Dresden, Inst Metall Mat, D-01171 Dresden, GermanyIFW Dresden, Leibniz Inst Solid State & Mat Res Dresden, Inst Metall Mat, D-01171 Dresden, Germany
Liu, J.
Gutfleisch, O.
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IFW Dresden, Leibniz Inst Solid State & Mat Res Dresden, Inst Metall Mat, D-01171 Dresden, GermanyIFW Dresden, Leibniz Inst Solid State & Mat Res Dresden, Inst Metall Mat, D-01171 Dresden, Germany