Rare-earth anisotropic magnet powder, method for producing same, and bonded magnet

Rare-earth anisotropic magnet powder, method for producing same, and bonded magnet

  • CN 102,648,502 A
  • Filed: 10/08/2010
  • Published: 08/22/2012
  • Est. Priority Date: 12/09/2009
  • Status: Active Application
First Claim
Patent Images

1. a rare-earth anisotropic magnetic iron powder is characterized in that, comprises powder particle, and said powder particle has:

  • For the regular crystal compound and the average crystallite particle diameter of rare earth element (following table is shown " R "), boron (B) and transition elements (following table is shown " TM ") is the R of 0.05 ~ 1 μ

    m 2TM 14B 1The type crystallization;

    With At least contain rare earth element (following table is shown " R '"'"' ") and copper (Cu) and surround this R 2TM 14B 1The embracing layer on the surface of type crystallization.

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