Direct evidence on magnetic-field-induced phase transition in a NiCoMnIn ferromagnetic shape memory alloy under a stress field

Y. D. Wang*, Yang Ren, E-Wen Huang, Z. H. Nie, G. Wang, Y. D. Liu, J. N. Deng, L. Zuo, H. Choo, P. K. Liaw, D. E. Brown

*Corresponding author for this work

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34 Scopus citations

Abstract

The magnetoelasticity and magnetoplasticity behaviors of a Ni-Co-Mn-In ferromagnetic shape memory alloy (FSMA) induced by the reverse phase transformation interplayed under multiple (temperature, magnetic, and stress) fields were captured directly by high-energy synchrotron x-ray diffraction technique. The experiments showed the direct experimental evidence of that a stress (∼50 MPa) applied to this material made a complete recovery of the original orientations of the martensite variants, showing a full shape memory effect. This finding offers the in-depth understanding the fundamental properties and applications of the Ni-Co-Mn-In FSMA with the magnetic-field-induced reverse transformation.

Original languageEnglish
Article number101917
JournalApplied Physics Letters
Volume90
Issue number10
DOIs
StatePublished - 16 Mar 2007

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