Permanent magnet alloy having improved resistance

Details Permanent magnet alloy having improved resistance Permanent magnet alloy having improved resistance

1992-02-27

1993-12-14

Wyszomierski, George

Metal treatment

Stock

Magnetic

148105, H01F 1053

Patent

active

052698556

ABSTRACT:
A permanent magnet made of an R--Fe--B--C or R--Fe--Co--B--C based alloy, where R is at least one rare-earth element, comprising individual magnetic crystal grains that are covered with an oxidation-resistant protective film. The protective film surrounding the individual magnetic crystal grains having a thickness of 0.001-30 .mu.m and 0.05-16 wt. % of the protective film comprising C.

REFERENCES:
patent: 4597938 (1986-07-01), Matsuura et al.
patent: 4770723 (1988-09-01), Sagawa et al.
patent: 4792368 (1988-12-01), Sagawa et al.
patent: 4801340 (1989-01-01), Inoue et al.
patent: 4978398 (1990-12-01), Iwasaki et al.
patent: 5022939 (1991-06-01), Yajima et al.
patent: 5049208 (1991-09-01), Yajima et al.
patent: 5147473 (1992-09-01), Ueda et al.

Affiliated with

Also associated with

Rating

Permanent magnet alloy having improved resistance does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Permanent magnet alloy having improved resistance, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Permanent magnet alloy having improved resistance will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1701812