Reducing magnetic hysteresis losses in cores of thin tapes of so

Details Reducing magnetic hysteresis losses in cores of thin tapes of so Reducing magnetic hysteresis losses in cores of thin tapes of so

1980-04-29

1982-02-09

Lewis, Michael L.

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

148 63, 148 315, 148 3155, 148122, 428606, 428629, 428928, C21D 104, H01F 304

Patent

active

043145949

ABSTRACT:
A technique for processing thin tapes of soft magnetic amorphous metal alloys to reduce their magnetic hysteresis losses. The technique involves preliminarily forming such a tape into a core, heating the core, and then controllably cooling the core, the heating and cooling being conducted in an oxidizing atmosphere. Maintaining the core during processing in a suitable longitudinal or transverse (relative to the tape) magnetic field can also produce improved properties. Certain tape cores so processed have particular magnetic hysteresis loss characteristics never heretofore known.

REFERENCES:
patent: 2988466 (1961-06-01), Meiklejohn
patent: 3961990 (1976-06-01), Koester et al.
patent: 3986867 (1976-10-01), Masumoto et al.
patent: 4036638 (1977-07-01), Ray et al.
patent: 4053331 (1977-10-01), Graham, Jr. et al.
patent: 4053332 (1977-10-01), Egami et al.
patent: 4067732 (1978-01-01), Ray
patent: 4079430 (1978-03-01), Fujishima et al.
patent: 4081298 (1978-03-01), Mendelsohn
Kubaschewski, O. et al., Oxrdation of Metals and Alloys, Academic Press, London, p. 1, (1962).
Luborsky, F. et al., "Magnetic Annealing of Amorphous Alloys", IEEE Transactions on Magnetics, vol. Mag-11, No. 6, pp. 1644-1649 (11/75).
Luborsky, F. et. al., "Magnetic Annealing of Amorphous Alloy Toroids", Rapidly Quenched Metals, vol. 1, Boston, pp. 1-6 (1975).

Affiliated with

Also associated with

Rating

Reducing magnetic hysteresis losses in cores of thin tapes of so does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Reducing magnetic hysteresis losses in cores of thin tapes of so, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Reducing magnetic hysteresis losses in cores of thin tapes of so will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1257056