Magnetic and martensitic phase transformations in a Ni54Ga27Fe19 alloy

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Abstract

The martensitic and magnetic transitions of Ni54Ga27Fe19 alloy were investigated by differential scanning calorimetry and X-ray powder diffraction and with a vibrating sample magnetometer. The alloy is martensitically transformed from a L21 to a martensite phase with a 14M (7R) structure. The ferromagnetic transition is also accompanied by the martensitic transformation from a paramagnetic parent phase to a ferromagnetic martensite phase in the temperature interval between Ms (= 293 K) and Mf (= 274 K). The Ni-Ga-Fe system is promising as a ferromagnetic shape memory alloy.

Original languageEnglish
Pages (from-to)2360-2362
Number of pages3
JournalMaterials Transactions
Volume43
Issue number9
DOIs
Publication statusPublished - 2002 Sep

Keywords

  • Ferromagnetic shape memory alloy
  • Martensitic transformation
  • Nickel-gallium-iron alloy
  • Phase diagram

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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