B - Operations – Transporting – 22 – F
Patent
B - Operations, Transporting
22
F
B22F 1/02 (2006.01) H01F 1/14 (2006.01) H01F 1/147 (2006.01) H01F 1/24 (2006.01) H01F 1/26 (2006.01) H01F 41/02 (2006.01)
Patent
CA 2505381
The present invention concerns a new ferromagnetic powder composition comprising soft magnetic iron-based core particles wherein the surface of the core particles are surrounded by an insulating coating, and a lubricating amount of a compound selected from the group consisting of silanes, titanates, aluminates, zirconates, or mixtures thereof. The invention also concerns a process for the preparation of soft magnetic composite materials using the new powder composition.
La présente invention concerne une nouvelle composition pulvérulente ferromagnétique comprenant des particules possédant un noyau à base de fer faiblement ferromagnétique dont la surface est recouverte d'un enrobage non organique isolant, et un composé lubrifiant sélectionné dans le groupe comprenant des silanes, des titanates, des aluminates, des zirconates, ou des mélanges de ces derniers. L'invention concerne également un procédé destiné à la préparation de substances composites faiblement ferromagnétiques, utilisant cette nouvelle composition pulvérulente.
Andersson Ola
Kejzelman Mikhail
Knutsson Per
Skarman Bjorn
Skoglund Paul
Fetherstonhaugh & Co.
Hoeganaes Ab
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