Reducing magnetic hysteresis losses in thin tapes of soft...

Details Reducing magnetic hysteresis losses in thin tapes of soft... Reducing magnetic hysteresis losses in thin tapes of soft...

G - Physics

11

B

336/39, 352/31.2

G11B 5/84 (2006.01) C21D 6/00 (2006.01) C21D 9/52 (2006.01) H01F 1/153 (2006.01) H01F 13/00 (2006.01)

Patent

CA 1099406

Abstract of the Disclosure A technique is disclosed for processing thin tapes of soft magnetic amorphous metal alloys to reduce their magnetic hysteresis losses. The technique involves heating such tapes (which can be preliminarily formed into a core), and controlled cooling, all conducted in an oxidizing atmosphere. Maintaining the tape during processing in a suitable longitudinal or transverse (relative to the tape) magnetic field can also produce improved properties. Certain tapes so processed have particularly magnetic hysteresis loss characteristics never heretofore known.

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