Solid State Cooling Based on Elastocaloric Effect in Melt Spun Ribbons of the Ti2NiCu Alloy
Evgeny V. Morozov, Sergey Y. Fedotov, Maria S. Bibik, Aleksey V. Petrov, Victor V. Koledov, Vladimir G. Shavrov
Abstract. This paper is devoted to the experimental study of elastocaloric effect (ECE) in rapidly quenched ribbons of the Ti2NiCu alloy with shape memory effect (SME) under the exposure of periodic tensile force. ECE is measured depending on the relative strain and frequency of the cycles in range from 0.2 to 4 Hz. The maximal measured ECE in the alloy reaches 9.4 K at a mechanical stress of 300 MPa, with the relative strain of the sample being equal to 1 %, and at frequencies from 0.2 to 0.5 Hz at temperature 67 °C. The specific power of the heat exchange of the working body with ECE was estimated. Specific power reaches
a maximal value W = 10 W/g at frequency f = 4 Hz. The prospects of the design of the solid state cooling devices based on ECE in Ti2NiCu alloy was discussed.
Keywords
Elastocaloric Effect, Shape Memory, Solid State Cooling, Melt Spun Ribbons, Ti2NiCu Alloy, Multicaloric Effect, Refrigeration, Intermetallic Alloy, Rapidly Quenched Ribbons, COP, IR-Thermography
Published online 11/15/2018, 5 pages
Copyright © 2018 by the author(s)
Published under license by Materials Research Forum LLC., Millersville PA, USA
Citation: Evgeny V. Morozov, Sergey Y. Fedotov, Maria S. Bibik, Aleksey V. Petrov, Victor V. Koledov, Vladimir G. Shavrov, ‘Solid State Cooling Based on Elastocaloric Effect in Melt Spun Ribbons of the Ti2NiCu Alloy’, Materials Research Proceedings, Vol. 9, pp 53-57, 2018
DOI: https://dx.doi.org/10.21741/9781644900017-11
The article was published as article 11 of the book Shape Memory Alloys
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