US 2023/0066150 A1 · RARE-EARTH MAGNET

Abstract

A rare-earth magnet according to an embodiment of the present invention comprises: a rare-earth magnet precursor including a composition of (R1(1-x)R2x)yFe(100-y-z-v-w)CozBvTMlw in which R1 comprises at least one of Nd or Pr, and R2 comprises Ce; and a diffusion metal including a composition of (LRE(100-p-q)HREp)TM2q, and diffused on the surface of the rare-earth magnet precursor, wherein the LRE in the diffusion metal can comprise light rare earth including Y, and the HRE can comprise heavy rare earth.

Claims14

Dependent claims

A rare-earth magnet comprising:

a rare-earth magnet precursor including a composition of (R1(1-x)R2x)yFe(100-y-z-v-w)CozBvTMlw in which R1 comprises At least one of Nd or Pr, and R2 comprises Ce;
and
a diffusion metal including a composition of(LRE(100-p-q)HREp)TM2q, and diffused on the surface of the rare-earth magnet precursor,
wherein the LRE in the diffusion metal comprises light rare earth, and the HRE comprises heavy rare earth.

1 more element

Dependencies are inferred from the claim text.

Rare-earth magnet

Life of this patent

Rare-earth magnet

Life of this patent

Abstract

Claims14