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Title: Elastocaloric effect associated with the martensitic transition in shape-memory alloys
Author: Bonnot, Erell
Romero, Ricardo
Mañosa, Lluís
Planes Vila, Antoni
Vives i Santa-Eulàlia, Eduard
Keywords: Ciència dels materials
Anàlisi tèrmica
Materials science
Thermal analysis
Issue Date: 2008
Publisher: American Physical Society
Abstract: The elastocaloric effect in the vicinity of the martensitic transition of a Cu-Zn-Al single crystal has been studied by inducing the transition by strain or stress measurements. While transition trajectories show significant differences, the entropy change associated with the whole transformation (DeltaSt) is coincident in both kinds of experiments since entropy production is small compared to DeltaSt. The values agree with estimations based on the Clausius-Clapeyron equation. The possibility of using these materials for mechanical refrigeration is also discussed.
Note: Reproducció digital del document proporcionada per PROLA i
It is part of: Physical Review Letters, 2008, vol. 100, núm. 12, p. 125901-1-125901-4
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ISSN: 0031-9007
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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