H - Electricity – 01 – F
Patent
H - Electricity
01
F
H01F 1/26 (2006.01) B22F 1/00 (2006.01) H01F 41/02 (2006.01)
Patent
CA 2552142
The invention concerns powder compositions consisting of electrically insulated particles of a soft magnetic material of an iron or iron-based powder and 0.1-2o by weight of a lubricant selected from the group consisting of fatty acid amides having 14-22 C atoms. Optionally a thermoplastic binder such as polyphenylene sulphide may be included in the composition. The invention also concerns a method for the preparation of soft magnetic composite components.
La présente invention concerne des compositions de poudre constituées de particules électriquement isolées d'un matériau magnétique doux d'une poudre de fer ou à base de fer et de 0,1 à 2 o en masse d'un lubrifiant sélectionné dans le groupe constitué des amides d'acide gras possédant de 14 à 22 atomes de carbone. Eventuellement un liant thermoplastique tel qu'un sulfure de polyphénylène peut être inclus dans cette composition. Cette invention concerne aussi un procédé de préparation de ces éléments composites magnétiques doux.
Ahlin Asa
Andersson Ola
Hultman Lars
Kjellen Lisa
Fetherstonhaugh & Co.
Hoeganaes Ab
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