Title:
Formation art of a nitriding iron permanent magnet and a nitriding iron permanent magnet
Document Type and Number:
Japanese Patent JP6085301
Kind Code:
B2
Abstract:
A permanent magnet may include a Fe16N2 phase constitution. In some examples, the permanent magnet may be formed by a technique that includes straining an iron wire or sheet comprising at least one iron crystal in a direction substantially parallel to a <001> crystal axis of the iron crystal; nitridizing the iron wire or sheet to form a nitridized iron wire or sheet; annealing the nitridized iron wire or sheet to form a Fe16N2 phase constitution in at least a portion of the nitridized iron wire or sheet; and pressing the nitridized iron wires and sheets to form bulk permanent magnet.
Inventors:
One Chan-Pin
Heshihai
Chang Yang Feng
Heshihai
Chang Yang Feng
Application Number:
JP2014526250A
Publication Date:
February 22, 2017
Filing Date:
August 17, 2012
Export Citation:
Assignee:
Regents of the University of Minnesota
International Classes:
C23C8/26; C21D7/02; C21D8/12; H01F1/047; H01F1/08; H01F41/02
Domestic Patent References:
| JP61157634A | ||||
| JP6096947A | ||||
| JP3100124A | ||||
| JP5311390A | ||||
| JP2212320A | ||||
| JP63132701A | ||||
| JP5269503A | ||||
| JP2173209A | ||||
| JP2000176513A |
Attorney, Agent or Firm:
Atsushi Aoki
Takashi Ishida
Tetsuji Koga
Masatoshi Takahashi
Nagasaka Tomoyasu
Satoshi Deno
Takashi Ishida
Tetsuji Koga
Masatoshi Takahashi
Nagasaka Tomoyasu
Satoshi Deno