Ferromagnetic powder composition and method for its production
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United States of America Patent
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Aug 11, 2020
Grant Date -
Jan 17, 2013
app pub date -
Feb 9, 2011
filing date -
Feb 18, 2010
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Abstract
A ferromagnetic powder composition including soft magnetic iron-based core particles, wherein the surface of the core particles is provided with at least one phosphorus-based inorganic insulating layer and then at least partially covered with metal-organic compound(s), wherein the total amount of metal-organic compound(s) is between 0.005 and 0.05% by weight of the powder composition, and wherein the powder composition further includes a lubricant. Further, a process for producing the composition and a method for the manufacturing of soft magnetic composite components prepared from the composition, as well as the obtained component.
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