Heat-induced and isothermal martensitic transformations from kinetically arrested parent phase in NiCoMnIn metamagnetic shape memory alloy

W. Ito, Rie Umetsu, Ryosuke Kainuma, T. Kakeshita, K. Ishida

Research output: Contribution to journalArticlepeer-review

38 Citations (Scopus)

Abstract

Heat-induced and isothermal martensitic transformations from kinetically arrested parent phase in Ni45Co5Mn36.7In13.3 metamagnetic shape memory alloy were investigated by magnetization measurements. A drastic drop of magnetization due to martensitic transformation during heating was observed. The isothermal martensitic transformation was confirmed to appear for some combinations of temperature and field. Incubation time for the transformation strongly depended on the holding condition, and the specimen held in conditions near the martensitic start (Ms) line determined by magnetization measurements showed a shorter incubation time.

Original languageEnglish
Pages (from-to)73-76
Number of pages4
JournalScripta Materialia
Volume63
Issue number1
DOIs
Publication statusPublished - 2010 Jul 1

Keywords

  • Isothermal martensitic transformation
  • Magnetic measurement
  • Metamagnetic shape memory alloys
  • NiCoMnIn

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

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