Rare earth element sintered magnet and method for producing...

Details Rare earth element sintered magnet and method for producing... Rare earth element sintered magnet and method for producing...

2002-12-24

2008-10-21

Sheehan, John P. (Department: 1793)

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

C148S122000, C148S212000, C148S301000, C148S302000, C148S303000

Reexamination Certificate

active

07438768

ABSTRACT:
Hydrogen embrittlement is prevented in Sm2Co17-based magnets and R2Fe14B-based magnets by metal plating the magnet, then carrying out heat treatment, or by forming a metal oxide or metal nitride layer on the metal plating layer or directly on the magnet itself.

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