Permanent magnet manufacturing method

Permanent magnet manufacturing method

  • CN 103,366,939 A
  • Filed: 03/29/2012
  • Published: 10/23/2013
  • Est. Priority Date: 03/29/2012
  • Status: Active Application
First Claim
Patent Images

1. method of making permanent magnet, it comprises:

  • Provide respectively a kind of master alloying powder and at least a assistant alloy powder by following steps;

    Form a kind of master alloying or assistant alloy of fusing;

    Master alloying or the assistant alloy of this fusing are formed tablet through the band casting;

    With the quick-fried formation particle of described tablet hydrogen;

    Described particle is carried out dehydrogenation to be processed;

    AndDescribed particle is carried out jet grinding to form average particulate diameter at master alloying or the assistant alloy powder of 1.6-3.0 micron;

    Described master alloying powder and described at least a assistant alloy powder are mixed;

    Mixture with described powder in magnetic field is shaped to powdered compact;

    At the 1020-1120 ℃

    of described briquet 1-5 of lower sintering hour;

    Be quenched to room temperature.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×