Vacuum aluminizing/cathode electrophoresis composite protective technique for NdFeB magnet and NdFeB magnet with composite protective layer

Vacuum aluminizing/cathode electrophoresis composite protective technique for NdFeB magnet and NdFeB magnet with composite protective layer

  • CN 102,108,510 A
  • Filed: 12/24/2010
  • Published: 06/29/2011
  • Est. Priority Date: 12/24/2010
  • Status: Active Application
First Claim
Patent Images

1. the vacuum aluminum-coated and ability cathode electrophoresis composite protective technology of a neodymium iron boron magnetic body is characterized in that:

  • carries out according to following steps,(1) neodymium iron boron magnetic body is carried out oil removing, rust cleaning;

    (2) carry out vacuum aluminum-coated to neodymium iron boron magnetic body;

    (3) neodymium iron boron magnetic body after vacuum aluminum-coated being carried out any surface finish handles and Passivation Treatment;

    (4) neodymium iron boron magnetic body after the above-mentioned processing is carried out ability cathode electrophoresis, ability cathode electrophoresis liquid is single-component epoxy ester lacquer or two component epoxy ester lacquer;

    (5) neodymium iron boron magnetic body behind the anticathode electrophoresis carries out baking and curing.

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