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Shape memory behavior of Ni-Fe-Ga and Ni-Mn-Sn ribbons
ELENA VILLA
CHRISTIAN OMAR AGUILAR ORTIZ
Pablo Álvarez Alonso
JUAN PABLO RAMON CAMARILLO GARCIA
GABRIEL ANGEL LARA RODRIGUEZ
Horacio Flores Zúñiga
Volodymyr Chernenko
Acceso Abierto
Atribución-NoComercial-SinDerivadas
https://doi.org/10.1051/matecconf/20153305009
"Magnetic Shape Memory Alloys exhibit multifunctional properties due the martensitic transformation (MT) and accompanying changes in the magnetic subsystem. In this work, melt spun ribbons of nominal composition Ni55Fe16Ga29 (R1) and Ni50Mn40Sn10 (R2) have been produced and characterized by the calorimetric, thermomechanical, mechanical, microscopic and X-ray measurements. The effect of short annealing on MT and thermo-mechanical properties is rather modest and in the case of R2 enhances its brittleness. R1 and R2 as-spun ribbons show MT at TM ~ 340 K and ~ 420 K, respectively. The strain-stress curves for Ni-Fe-Ga in austenitic phase indicate good visco-elastic properties, although the superelastic effect was not well pronounced. Ni-Fe-Ga as-cast and annealed samples, as well as the as-cast Ni-Mn-Sn ribbons, present a shape memory effect with an anomalous contraction and elongation at low external stresses in the course of the forward and reverse MT, consequence of the compressive internal stresses."
EDP Sciences
2015
Artículo
Villa, E & Agilar-Ortiz, C.O & Alvarez-Alonso, Pablo & Camarillo, J.P. & Lara-Rodriguez, G.A. & Flores-Zúñiga, Horacio & Chernenko, V. (2015). Shape memory behavior of Ni-Fe-Ga and Ni-Mn-Sn ribbons. MATEC Web of Conferences. 33. 05009. 10.1051/matecc
FÍSICA
Versión publicada
publishedVersion - Versión publicada
Aparece en las colecciones: Publicaciones Científicas Nanociencias y Materiales

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