Título

Phase transition and magnetocaloric properties of Mn50Ni42−xCoxSn8 (0 ≤ x ≤ 10) melt-spun ribbons

Autor

Zongbin Li

Yiwen Jiang

Zhenzhuang Li

CESAR FIDEL SANCHEZ VALDES

JOSE LUIS SANCHEZ LLAMAZARES

Bo Yang

Yudong Zhang

Claude Esling

Xiang Zhao

Liang Zuo

Nivel de Acceso

Acceso Abierto

Licencia

http://creativecommons.org/licenses/by-nc-nd/4.0

Identificador alterno

doi: https://dx.doi.org/10.1107%2FS2052252517016220

Materias

MnNi-based alloys - (AUTOR) Melt-spun ribbons - (AUTOR) Magnetostructural coupling - (AUTOR) Magnetocaloric effect - (AUTOR) BIOLOGÍA Y QUÍMICA - (CTI) QUÍMICA - (CTI) QUÍMICA - (CTI)

Resumen o descripción

"The characteristics of magnetostructural coupling play a crucial role in the magnetic field-driven behaviour of magnetofunctional alloys. The availability of magnetostructural coupling over a broad temperature range is of great significance for scientific and technological purposes. This work demonstrates that strong magnetostrucural coupling can be achieved over a wide temperature range (222 to 355?K) in Co-doped high Mn-content Mn50Ni42?xCoxSn8 (0 ? x ? 10) melt-spun ribbons. It is shown that, over a wide composition range with Co content from 3 to 9?at.%, the paramagnetic austenite first transforms into ferromagnetic austenite at T C on cooling, then the ferromagnetic austenite further transforms into a weakly magnetic martensite at T M. Such strong magnetostructural coupling enables the ribbons to exhibit field-induced inverse martensitic transformation behaviour and a large magnetocaloric effect. Under a field change of 5?T, a maximum magnetic entropy change ?S M of 18.6?J?kg?1?K?1 and an effective refrigerant capacity RC eff of up to 178?J?kg?1 can be achieved, which are comparable with or even superior to those of Ni-rich Ni–Mn-based polycrystalline bulk alloys. The combination of high performance and low cost makes Mn–Ni–Co–Sn ribbons of great interest as potential candidates for magnetic refrigeration."

Editor

International Union of Crystallography

Fecha de publicación

2018

Tipo de publicación

Artículo

Versión de la publicación

Versión publicada

Recurso de información

http://ipicyt.repositorioinstitucional.mx/jspui/handle/1010/1949

Formato

application/pdf

Sugerencia de citación

Li, Z., Jiang, Y., Li, Z., Sánchez Valdés, C. F., Sánchez Llamazares, J. L., Yang, B., … Zuo, L. (2018). Phase transition and magnetocaloric properties of Mn50Ni42−xCoxSn8 (0 ≤ x ≤ 10) melt-spun ribbons. IUCrJ, 5(Pt 1), 54–66. doi:10.1107/S2052252517016220

Repositorio Orígen

Repositorio IPICYT

Descargas

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