Journal
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
Volume 8, Issue 5, Pages 4540-4546Publisher
ELSEVIER
DOI: 10.1016/j.jmrt.2019.07.067
Keywords
Melt spun ribbons; NiFeGa; Mechanical properties; Elastocaloric effect
Funding
- Spanish Ministry of Economy and Competitiveness [RTI2018-094683-B-053]
- Asturias Government [PC-15-GRUPIN14-037 245]
- Basque Government Department of Education [IT711-13]
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In the present work, the structural, mechanical and shape memory properties of Ni55Fe16Ga29 (at.%) melt-spun ribbons have been studied with a prospective of application in the elastocaloric devises. Particularly, a special thermo-mechanical treatment, consisting in the thermal aging under constant external stress, was elaborated to control the residual internal stress generated due to the melt-spinning processing and improve thermomechanical and superelastic responses of the ribbon. The stress-induced entropy change was evaluated for the ribbon with improved thermomechanical properties. (C) 2019 The Authors. Published by Elsevier B.V.
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