Study of the martensitic transition in Ni-Mn-Sn-Ti ferromagnetic shape memory alloys

ABSTRACT In the present work, mechanical spectroscopy measurements as a function of temperature and strain have been performed in (at.%) Ni50Mn37Sn13-xTix (x=0, 0.5 and 2) ferromagnetic shape memory alloys in order both to study martensitic transition phenomenon and also to determine its temperature...

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Veröffentlicht in:	Matéria 2018-01, Vol.23 (2)
Hauptverfasser:	Bonifacich, Federico Guillermo, Lambri, Osvaldo Agustín, Pérez-Landazábal, José Ignacio, Recarte, Vicente, Gargicevich, Damián, Zelada, Griselda Irene, Mocellini, Ricardo Raúl, Sánchez-Alarcos, Vicente, Marenzana, Aldo, Plazaola, Fernando
Format:	Artikel
Sprache:	eng
Schlagworte:	CONSTRUCTION & BUILDING TECHNOLOGY MATERIALS SCIENCE, MULTIDISCIPLINARY METALLURGY & METALLURGICAL ENGINEERING
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Zusammenfassung:	ABSTRACT In the present work, mechanical spectroscopy measurements as a function of temperature and strain have been performed in (at.%) Ni50Mn37Sn13-xTix (x=0, 0.5 and 2) ferromagnetic shape memory alloys in order both to study martensitic transition phenomenon and also to determine its temperature of appearance. For mechanical spectroscopy measurements, a five elements piezoelectric device recently developed has been used. In addition, other characterization techniques as, differential thermal analysis and superconducting quantum interference magnetic spectroscopy, were also used. Besides, relaxation processes near the martensitic transition temperature have been also observed.
ISSN:	1517-7076 1517-7076
DOI:	10.1590/s1517-707620180002.0379