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Temperature and field induced strain in polycrystalline Ni 50Mn35In15-xSix magnetic shape memory Heusler alloys

  • Arjun K. Pathak
  • , Igor Dubenko
  • , Shane Stadler
  • , Naushad Ali

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

Magnetic shape memory properties of polycrystalline Ni50Mn 35In15-xSix were investigated. A reversible strain of more than 0.4% was observed for x = 0 at a magnetic field H = 5 T that was found to be associated with a field induced reverse martensitic transformation. The strains were found to increase with the substitution of In by Si and strains larger than 1% were observed for x = 2 at H = 5 T. Both the positive and negative strain changes were observed in the vicinity of martensitic transition temperatures. The strain in Ni50Mn 35In15-xSix was found to depend on silicon concentration, and on samples texture.

Original languageEnglish
Pages (from-to)1106-1110
Number of pages5
JournalJournal of Alloys and Compounds
Volume509
Issue number4
DOIs
StatePublished - Jan 28 2011

Keywords

  • Heusler alloys
  • Shape memory

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