Stress-induced twin rearrangement resulting in change of magnetization in a Ni-Mn-Ga ferromagnetic martensite

Peter Müllner, V. A. Chernenko, G. Kostorz

Research output: Contribution to journalArticlepeer-review

171 Scopus citations

Abstract

Magnetoplasticity is the large magnetic-field-induced deformation of ferromagnetic martensite. This effect is caused by a twin rearrangement. A strain-induced change of magnetization is the inverse effect. This effect is studied experimentally on a Ni-Mn-Ga single crystal. The deformation-induced change of magnetization is linear to the compressive strain and shows only small hysteresis in a loading-unloading cycle performed in an orthogonal magnetic field.

Original languageEnglish
Pages (from-to)129-133
Number of pages5
JournalScripta Materialia
Volume49
Issue number2
DOIs
StatePublished - Jul 2003

Keywords

  • Ferromagnetic shape memory alloy
  • Heusler phase
  • Magnetoplasticity
  • Ni-Mn-Ga
  • Twinning

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