Título

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

Autor

DANIEL ENRIQUE SOTO PARRA

Eduard Vives

Lluis Mañosa

JOSE ANDRES MATUTES AQUINO

HORACIO FLORES ZUÑIGA

Antoni Planes

Nivel de Acceso

Acceso Abierto

Licencia

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

Identificador alterno

doi: https://doi.org/10.1063/1.4942009

Materias

Alloys - (AUTOR) CIENCIAS FÍSICO MATEMÁTICAS Y CIENCIAS DE LA TIERRA - (CTI) FÍSICA - (CTI)

Resumen o descripción

"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."

Editor

American Institute of Physics

Fecha de publicación

febrero de 2016

Tipo de publicación

Artículo

Versión de la publicación

Versión publicada

Recurso de información

http://ipicyt.repositorioinstitucional.mx/jspui/handle/1010/1369

Formato

application/pdf

Sugerencia de citación

Daniel 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.

Repositorio Orígen

Repositorio IPICYT

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