Permanent magnetic alloy and method of manufacturing the same

Details Permanent magnetic alloy and method of manufacturing the same Permanent magnetic alloy and method of manufacturing the same

1988-09-27

1989-11-07

Sheehan, John P.

Metal treatment

Stock

Magnetic

420 83, 420121, 148331, H01F 104

Patent

active

048789640

ABSTRACT:
A permanent magnetic alloy essentially consists of 10 to 40% by weight of R, 0.1 to 0.8% by weight of boron, 50 to 300 ppm by weight of oxygen and the balance of iron, where R is at least one component selected from the group consisting of yttrium and the rate-earth elements.
An alloy having this composition has a high coercive force .sub.I H.sub.C and a high residual magnetic flux density and therefore has a high maximum energy product.

REFERENCES:
patent: 4588439 (1986-05-01), Narasimhan et al.
patent: 4601875 (1986-07-01), Yamamoto et al.
Koon et al. "Crystallization of FeB Alloys with Rare Earths to Produce Hard Magnetic Materials", J. of Applied Phys., vol. 55, No. 6, Mar. 15, 1984, pp. 2063-6.
El Masry et al., "Nanometer Particles in the Intergranular Microstructure of Fe-Nl-B Permanent Magnets", Mat. Lett., vol. 3, Nos. 9/10, Jul. 1985, pp. 405-8.
Patents Abstract of Japan, vol. 6, No. 144 (E-122)[1022], Aug. 3, 1982, +JP-A-5766605.

Affiliated with

Also associated with

Rating

Permanent magnetic alloy and method of manufacturing the same 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 magnetic alloy and method of manufacturing the same, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Permanent magnetic alloy and method of manufacturing the same will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-81728