Alloy powder for rare-earth magnet, methods for manufacturing alloy powder and rare-earth magnet and powder manufacturing device

Alloy powder for rare-earth magnet, methods for manufacturing alloy powder and rare-earth magnet and powder manufacturing device

  • CN 103,817,335 A
  • Filed: 09/12/2013
  • Published: 05/28/2014
  • Est. Priority Date: 09/12/2013
  • Status: Active Application
First Claim
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1. a manufacture method for alloy powder for rare-earth magnet, described rare-earth magnet is for containing R 2t 14the magnet of B principal phase, described R is at least one being selected from the rare earth element that comprises yttrium concept, described T is at least one transition metal that comprises Fe and/or Co, it is characterized in that:

  • using oxygen content to carry out in the broken operation of fine powder for described rare-earth magnet alloy or the rare-earth magnet of at least one the alloy meal of the inert gas high velocity air below 1000ppm at least one, obtain the powder of particle diameter below 50 μ

    m, comprise the superfine powder below 1 μ

    m.

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