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Elsevier, Scripta Materialia, (80), p. 13-16, 2014

DOI: 10.1016/j.scriptamat.2014.02.003

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Thermal cycling of stress-induced martensite for high-performance shape memory effect

Journal article published in 2014 by Riccardo Casati ORCID, Maurizio Vedani, Ausonio Tuissi ORCID
This paper is available in a repository.
This paper is available in a repository.

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Abstract

A novel approach to achieve an extraordinary high stress recovery shape memory effect based on thermal cycling of stress-induced martensite is proposed. An alternative thermodynamic path is considered in order to achieve outstanding functional properties of Ni-rich NiTi alloys, which are commonly used at room or body temperature as superelastic materials. Fatigue tests revealed excellent stability of the material subjected to the novel thermomechanical path, confirming its suitability for employment in high-performance shape memory actuators.