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Elastocaloric effect in Ti-Ni shape-memory wires associated with the B2 ↔ B19' and B2 ↔ R structural transitions

dc.contributor.authorSoto-Parra, Daniel Enrique
dc.contributor.authorVives, Eduard
dc.contributor.authorMañosa, Lluis
dc.contributor.authorMatutes Aquino, José Andrés
dc.contributor.authorFlores Zúñiga, Horacio
dc.contributor.authorPlanes, Antoni
dc.contributor.editorAmerican Institute of Physics
dc.date.accessioned2018-04-03T19:23:01Z
dc.date.available2018-04-03T19:23:01Z
dc.date.issued2016-02
dc.identifier.citationDaniel Soto-Parra, Eduard Vives, Lluís Mañosa, J. A. Matutes-Aquino, Horacio Flores-Zúñiga, and Antoni Planes (2016). Elastocaloric effect in Ti-Ni shape-memory wires associated with the B2 ↔ B19' and B2 ↔ R structural transitions. Applied Physics Letters, 108, 071902. © 2016 AIP Publishing LLC.
dc.identifier.urihttp://hdl.handle.net/11627/3747
dc.description.abstract"We have studied the elastocaloric properties of Ti-Ni shape-memory wires subjected to specific heat treatments to decouple the B2 <-> R transition from the B2 <-> B19' one. The entropy values at moderate stresses (similar to 170 MPa) for the B2 <-> B19' transition are remarkably high (in the range 60-80 J/kg K). However, in spite of the B2 <-> R transition exhibits significantly lower entropy changes (similar to 12 J/kg K), the much smaller hysteresis of this transition gives rise to a larger reversible elastocaloric effect for low applied stresses. Therefore, the reversible elastocaloric strength associated with the B2 <-> R is larger than the elastocaloric strength associated with the B2 <-> B19' transition."
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internacional
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectAlloys
dc.subject.classificationFÍSICA
dc.titleElastocaloric effect in Ti-Ni shape-memory wires associated with the B2 ↔ B19' and B2 ↔ R structural transitions
dc.typearticle
dc.identifier.doihttps://doi.org/10.1063/1.4942009
dc.rights.accessAcceso Abierto


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Attribution-NonCommercial-NoDerivatives 4.0 Internacional
Except where otherwise noted, this item's license is described as Attribution-NonCommercial-NoDerivatives 4.0 Internacional