Iron based soft magnetic powder

Details Iron based soft magnetic powder Iron based soft magnetic powder

B - Operations, Transporting

22

F

B22F 1/02 (2006.01) C22C 33/02 (2006.01) H01F 1/147 (2006.01)

Patent

CA 2534466

The present invention concerns a high purity, annealed iron powder suitable for the preparation of soft magnetic composites. The powder is distinguished in that the content of inevitable impurities is less than 0.25 %, the oxygen content is less than 0.05 % and the specific surface area as measured by the BET method is less than 60m2/kg.

La présente invention concerne une poudre de fer recuit présentant une grande pureté, qui est adaptée à la préparation de composites magnétiques doux. Cette poudre est caractérisée en ce que la teneur en impuretés inévitables est inférieure à 0,25 %, en ce que la teneur en oxygène est inférieure à 0,05 % et en ce que la surface spécifique, telle que mesurée avec la méthode BET, est inférieure à 60 m?2¿/kg.

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