SOFT MAGNETIC COMPOSITE MATERIALS AND METHODS AND POWDERS FOR PRODUCING THE SAME

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United States of America Patent

APP PUB NO 20210142933A1
SERIAL NO

17094431

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A powder including a plurality of particulates, each particulate including a soft magnetic metallic core coated with a continuous dielectric coating having a thickness selected from a range of 100 nanometers to 100 micrometers. The particulates have a mean particle size selected from a range of 100 nanometers to 250 micrometers. Methods for forming the powder are disclosed. A soft magnetic composite component includes a soft magnetic material in a dielectric matrix, wherein (i) the soft magnetic material comprises a plurality of particulates comprising metallic cores, (ii) each metallic core is coated by a continuous dielectric coating covering >90% of a surface area of the metallic core, (iii) the metallic cores are electrically isolated from each other, and (iv) the dielectric coatings of adjacent metallic cores are consolidated together. Methods for formation of the soft magnetic component by additive manufacturing and hot isostatic pressing are disclosed.

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Patent Owner(s)

Patent OwnerAddress
CARPENTER TECHNOLOGY CORPORATIONP O BOX 14662 101 WEST BERN STREET READING PA 19612

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Allen, Christopher Phillip West Reading, US 1 2
Chinnasamy, Chins Lancaster, US 10 17
Das, Jaydip Santa Clara, US 18 95
Herbert, Francis William Pennsylvania, US 2 2
Sears, James William Reading, US 13 316
Vaks, Nir Reading, US 4 9

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