Production method for nanocomposite magnet

Details Production method for nanocomposite magnet Production method for nanocomposite magnet

2011-07-12

2011-07-12

Sheehan, John P (Department: 1736)

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

C148S101000, C148S104000, C419S012000, C419S035000

Reexamination Certificate

active

07976643

ABSTRACT:
A nanocomposite magnet containing an Fe particle in the grain boundary of an Nd2Fe14B compound particle is produced by mixing a dispersion of the Nd2Fe14B compound particle in a solvent containing a surface-active agent and a dispersion of the Fe particle in a solvent containing a surface-active agent, and then supporting the Fe particle on the surface of the Nd2Fe14B compound particle by stirring the mixture of the dispersions while adding an amphiphilic solvent, and then performing the drying and the drying and the sintering.

REFERENCES:
patent: 2006/0008645 (2006-01-01), Kishimoto et al.
patent: 2003 59708 (2003-02-01), None
patent: 2004 18932 (2004-01-01), None
patent: 2004 363474 (2004-12-01), None
U.S. Appl. No. 12/513,245, filed May 1, 2009, Sakuma et al.

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