Development of new magnetostrictive materials in heusler type CoNiGa system

Mitsutaka Sato, Teiko Okazaki, Yasubumi Furuya, Takeshi Kubota, Chihiro Saito, Manfred Wuttig

研究成果: Article査読

2 被引用数 (Scopus)

抄録

We have developed new ferromagnetic shape memory alloys, Co2Ni2-xGax(x=1, 1.12, 1.15, 1.17), which have large strain caused by the magnetic-field-derived re-arrangement of martensite twin. The ribbon samples formed by rapidly solidified, melt-spinning methods showed strong anisotropy and large magnetostriction, ε∼180 × 10-6 at applied magnetic field, 0.8 T in low temperature. In contrast to poor ductility of the well-known ferromagnetic shape memory alloy Ni2MnGa, some of the ribbons have good ductility and are not broken even after bending to an angle of 180°.

本文言語English
ページ(範囲)147-150
ページ数4
ジャーナルNippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals
66
3
DOI
出版ステータスPublished - 2002 3月
外部発表はい

ASJC Scopus subject areas

  • 凝縮系物理学
  • 材料力学
  • 金属および合金
  • 材料化学

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