Title:
FERROMAGNETIC SHAPE-MEMORY ALLOY
Document Type and Number:
WIPO Patent Application WO/2002/014565
Kind Code:
A1
Abstract:
A ferromagnetic shape-memory alloy which has a composition consisting of 5 to 70 at.% cobalt, 5 to 70 at.% nickel, 5 to 50 at.% aluminum, and unavoidable impurities as the remainder and has either a single-phase structure consisting of a ß phase of a B2 structure or a two-phase structure consisting of a $g(g) phase of an fcc structure and a ß phase of a B2 structure; or a ferromagnetic shape-memory alloy which has a composition consisting of 35 to 65 at.% cobalt, 20 to 35 at.% gallium, and nickel and unavoidable impurities as the remainder and has either a single-phase structure consisting of a ß phase of a B2 structure or a two-phase structure consisting of a ß phase of a B2 structure and an fcc structure as a second phase.
Inventors:
ISHIDA KIYOHITO (JP)
OIKAWA KATSUNARI (JP)
KAINUMA RYOSUKE (JP)
OIKAWA KATSUNARI (JP)
KAINUMA RYOSUKE (JP)
Application Number:
PCT/JP2001/006864
Publication Date:
February 21, 2002
Filing Date:
August 09, 2001
Export Citation:
Assignee:
NAT INSTITUE OF ADVANCE IND SC (JP)
ISHIDA KIYOHITO (JP)
OIKAWA KATSUNARI (JP)
KAINUMA RYOSUKE (JP)
ISHIDA KIYOHITO (JP)
OIKAWA KATSUNARI (JP)
KAINUMA RYOSUKE (JP)
International Classes:
C22C30/00; (IPC1-7): C22C19/03; C22C19/07
Foreign References:
| JPH03219037A | 1991-09-26 | |||
| JPS63223137A | 1988-09-16 | |||
| JPH04163817A | 1992-06-09 |
Attorney, Agent or Firm:
Kobayashi, Eiichi (Honcho 6-chome Funabashi-shi Chiba, JP)
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