Method for improving magnetic properties of metallic glass ribbo

Details Method for improving magnetic properties of metallic glass ribbo Method for improving magnetic properties of metallic glass ribbo

1980-04-04

1982-01-12

Massie, Jerome W.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

148121, 164 691, B22D 2700, C23F 100

Patent

active

043103812

ABSTRACT:
The soft magnetic properties of metallic glass ribbon are improved by removing at least a part of the surface before annealing. The magnetic alloy ribbon is prepared by chill block casting, after which the regions of the ribbon surface that adjoined but did not contact the chill block are removed. After being wound into a toroidal core and annealed, the material shows lower coercive force and core loss and higher remanence as compared with material from whose surface the out-of-contact regions were not removed.

REFERENCES:
patent: 1998840 (1935-04-01), Legg et al.
patent: 3607462 (1971-09-01), Laing
patent: 3870574 (1975-03-01), Stefan et al.
patent: 4154283 (1979-05-01), Ray et al.
Varich et al., "Metastable . . . Cooling" Translation from F.M.M., vol. 33, No. 2, (Feb. 1972), pp. 106-109.

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