Optical imaging and magnetocaloric effect measurements in pulsed high magnetic fields and their application to Ni-Co-Mn-In Heusler alloy

T. Kihara, I. Katakura, M. Tokunaga, A. Matsuo, K. Kawaguchi, A. Kondo, K. Kindo, W. Ito, X. Xu, R. Kainuma

研究成果: Article査読

12 被引用数 (Scopus)

抄録

As novel tools to study magnetic shape memory alloys, a high-speed optical microscope system and a measurement system of magnetocaloric effects (MCEs) in pulsed magnetic fields are developed. Using the high-speed imaging system, successive changes in the surface morphology are visualized in the process of magnetic field-induced reverse martensitic transformation in Ni 45Co5Mn36.7In13.3. The MCEs of Gd studied in pulsed fields show reasonable agreement with the earlier results obtained in steady fields. Application of high magnetic fields up to 55 T realizes a gigantic adiabatic heating of 63 K.

本文言語English
ページ(範囲)S722-S725
ジャーナルJournal of Alloys and Compounds
577
SUPPL. 1
DOI
出版ステータスPublished - 2013 11 15

ASJC Scopus subject areas

  • 材料力学
  • 機械工学
  • 金属および合金
  • 材料化学

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