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Martensitic and magnetic transformations of Ni56Fe17Ga27-xCox high-temperature ferromagnetic shape memory alloys

  • Harbin Institute of Technology
  • China ENFI Engineering Corporation
  • Harbin Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

A phenomenon whereby both the martensitic transformation start temperature (Ms) and Curie temperature (Tc) of Ni56Fe17Ga27-xCox alloys increase while maintaining Tc > Af > Ms > 100 °C (where Af is the austenite finish temperature) with increasing Co content at the expense of Ga is reported. The martensitic structure of this alloy is 6 M, which is different from the common structure such as 7 and 5 M. The mechanical properties of the Ni56Fe17Ga27-xCox alloys are improved with increasing Co content. Crown

Original languageEnglish
Pages (from-to)874-877
Number of pages4
JournalScripta Materialia
Volume59
Issue number8
DOIs
StatePublished - Oct 2008
Externally publishedYes

Keywords

  • Ferromagnetic shape memory alloy
  • Magnetic transformation
  • Martensitic transformation
  • Ni-Fe-Ga-Co alloys

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