Soft magnetic powder and magnetic shield composition

Details Soft magnetic powder and magnetic shield composition Soft magnetic powder and magnetic shield composition

1991-04-05

1993-05-04

Wyszomierski, George

Metal treatment

Stock

Magnetic

148308, 148309, 252 6255, C22C 3806, C22C 3818

Patent

active

052078418

ABSTRACT:
Soft magnetic powder comprising flat soft magnetic particles of an alloy having a composition defined and encompassed by polygon ABCDE in a Fe-Si-Cr ternary composition diagram of FIG. 1 or polygon JKLMN in a Fe-Si-Al ternary composition diagram of FIG. 4 is suitable for use in magnetic shields. The flat soft magnetic particles are prepared by furnishing alloy particles having a predetermined composition, flattening them, and heat treating the flat particles to develop a peak corresponding to plane index (002) in an X-ray diffraction diagram thereof.

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