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Effects of Co Additions on the Martensitic Transformation and Magnetic Properties of Ni–Mn–Sn Shape Memory Alloys

In this work, ribbons of composition Ni50−x CoxMn38Sn12 (x = 1, 2, and 3 at%.) were produced by the melt-spinning technique. Martensitic transformation shifts to lower temperatures with increasing (a) concentration of Co or (b) the external magnetic field. Structure at room temperature of alloys with x = 1 and x = 2 is martensite (monoclinic with a 10 M modulation), whereas for the alloy with x = 3 is austenitic. The temperature shift directly reports the valence electrons concentration per atom e/a of alloys.

This research was supported by the project MAT2013-47231-C2-2-P

Springer Verlag

Manager: Ministerio de Economía y Competitividad (Espanya)
Author: Bachaga, Tarek
Daly, Rakia
Suñol Martínez, Joan Josep
Saurina i Canals, Joan
Escoda i Acero, Ma. Lluïsa
Legarreta, L.G.
Hernando, Blanca
Khitouni, Mohamed
Abstract: In this work, ribbons of composition Ni50−x CoxMn38Sn12 (x = 1, 2, and 3 at%.) were produced by the melt-spinning technique. Martensitic transformation shifts to lower temperatures with increasing (a) concentration of Co or (b) the external magnetic field. Structure at room temperature of alloys with x = 1 and x = 2 is martensite (monoclinic with a 10 M modulation), whereas for the alloy with x = 3 is austenitic. The temperature shift directly reports the valence electrons concentration per atom e/a of alloys.
This research was supported by the project MAT2013-47231-C2-2-P
Document access: http://hdl.handle.net/2072/298549
Language: eng
Publisher: Springer Verlag
Rights: Tots els drets reservats
Subject: Aliatges amb memòria de forma
Shape memory alloys
Transformacions martensítiques
Martensitic transformations
Title: Effects of Co Additions on the Martensitic Transformation and Magnetic Properties of Ni–Mn–Sn Shape Memory Alloys
Type: info:eu-repo/semantics/article
Repository: Recercat

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