Method of manufacturing magnetic material
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United States of America Patent
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Jul 6, 2021
Grant Date -
Oct 18, 2018
app pub date -
Oct 18, 2016
filing date -
Oct 19, 2015
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Abstract
A method of manufacturing a magnetic material, includes a surface oxides decreasing step of decreasing surface oxides of an iron powder; a powder-molded body forming step of mixing the iron powder whose surface oxides are already decreased obtained by the surface oxides decreasing step, and a compound powder “A” constituted by a La element and a Si element, and compressing and molding the obtained mixture powder; and a sintered body forming step of preparing a sintered body from the powder-molded body obtained by the powder-molded body forming step, by a solid phase reaction under vacuum atmosphere.
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