Shape memory effect and superelasticity of NiMnCoIn metamagnetic shape memory alloys under high magnetic field

A. S. Turabi, H. E. Karaca, H. Tobe, B. Basaran, Y. Aydogdu, Y. I. Chumlyakov

Research output: Contribution to journalArticlepeer-review

37 Scopus citations

Abstract

The effects of the magnetic field on the shape memory behavior of [0 0 1]-oriented metamagnetic NiMnCoIn shape memory single crystals were investigated. Thermal cycling under constant stress and magnetic field, and stress cycling under constant magnetic field tests were conducted to understand their magneto-thermo-mechanical behavior. It was observed that critical stress during the superelastic behavior increased and transformation temperatures decreased with the applied field. Under 9 T applied field, compared to all magnetic shape memory alloys, an ultrahigh magnetostress level of 71 MPa was observed during the stress cycling experiments and transformation temperatures were decreased by 16 °C during the thermal cycling under stress.

Original languageEnglish
Pages (from-to)110-113
Number of pages4
JournalScripta Materialia
Volume111
DOIs
StatePublished - Jan 15 2016

Bibliographical note

Publisher Copyright:
© 2015 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

Keywords

  • Actuation
  • Magnetostress
  • Metamagnetic
  • Shape-memory materials
  • Zeeman energy

ASJC Scopus subject areas

  • General Materials Science
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys

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