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journal article·2023-02-01Open access

Magnetostructural transition and magnetocaloric effect in Mn0.5Fe0.5NiSi1−xAlx melt-spun ribbons (x = 0.055 and 0.060)

M. L. Arreguín-Hernández, A. Dzubinska, M. Reiffers, J. L. Sánchez Llamazares, C. F. Sánchez-Valdés, R. Varga

AIP Advances· Volume 13· Issue 2
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Source abstract

Abstract

Melt-spun ribbons samples of the multicomponent alloy Mn0.5Fe0.5NiSi0.940Al0.060 were prepared and the magnetostructural transition (MST) and related magnetocaloric properties studied for as-solidified ribbons and ribbon samples annealed between 800 and 950 °C for 4 h. The results are compared with those reported in the literature for melt-spun ribbons with an Al content x = 0.055 and bulk alloys. It is shown that all samples undergo a first-order MST from a paramagnetic Ni2In-type hexagonal structure to a ferromagnetic TiNiSi-type orthorhombic one. Ribbons show broader isothermal entropy change ΔST(T) curves with moderate maximum values of |ΔST|max at 2 T (7.2–7.3 J kg−1 K−1) in comparison with the reported for bulk alloys. However, the average value of the magnetic hysteresis loss linked to the hexagonal-to-orthorhombic transition is low in comparison with the one reported for most magnetocaloric materials with first-order magnetostructural transitions. This work underlines the effectiveness of this rapid solidification technique to produce highly homogeneous ribbon samples of multicomponent alloys.
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Research context

Metals & alloys

OpenAlex topics: Magnetic and transport properties of perovskites and related materials · Shape Memory Alloy Transformations · Solidification and crystal growth phenomena

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Instituto Potosino de Investigación Científica y Tecnológica A.C. 1 , Camino a la Presa de San José 2055, Col. Lomas 4a, San Luis Potosí S.L.P. 78216, Mexico

CPM-TIP, UPJS 2 , 041 01 Kosice, Slovakia

Faculty of Humanities and Natural Sciences, University of Presov 3 , UI. 17. Novembra1, 080 01 Presov, Slovakia

Departamento de Fisica, Universidad de Oviedo 4 , 33007 Oviedo, Spain

Departamento de Física y Matemáticas, División Multidisciplinaria en Ciudad Universitaria, Instituto de Ingeniería y Tecnología, Universidad Autónoma de Ciudad Juárez (UACJ) 5 , Ciudad Juárez, Chihuahua 32310, Mexico

Funding

SEP-CONAYT · Instituto Potosino de Investigación Científica y Tecnológica · Agentúra Ministerstva Školstva, Vedy, Výskumu a Športu SR · Consejo Nacional de Ciencia y Tecnología · Slovak Academic Information Agency · Universidad de Oviedo

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Show source-provided references
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