Large magnetostriction of Fe-29.6 at % Pd alloy ribbon under tensile stress

Teiko Okazaki, Hideyuki Nakajima, Yasubumi Furuya

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Rapidly solidified Ferromagnetic shape memory alloy Fe-29.6 at% Pd ribbon has large magnetostriction of 1000 ppm (0.1%). The strain is caused by martensite twin's movements induced by magnetic field. In order to determine whether the ribbon is useful for a sensor/actuator material, we investigated a behavior of magnetostriction of Fe-29.6 at% Pd ribbon under tensile stress. Three samples investigated are (1) melt-spinning single-roll ribbon (70 μm), (2) melt-spinning twin-roll ribbon (100 μm), (3) the layered structure of 4 ribbons (280 μm). The magnetostriction for three samples has a maximum, -250 ppm under tensile stress 15-20 MPa, which make to rearrange martensite twin boundary. The results show that rapidly solidified Fe-29.6 at % Pd alloy ribbon should be useful as sensor/actuator materials under low tensile stress.

Original languageEnglish
Pages (from-to)665-668
Number of pages4
JournalMaterials Transactions
Volume44
Issue number4
DOIs
Publication statusPublished - 2003 Apr
Externally publishedYes

Keywords

  • Fe-29.6 at% Pd
  • Magnetosiriction
  • Martensite phase
  • Rapidly solidification method
  • Tensile stress

ASJC Scopus subject areas

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

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