Heat treatment of soft magnetic components

Details Heat treatment of soft magnetic components Heat treatment of soft magnetic components

H - Electricity

01

F

H01F 1/22 (2006.01) B22F 3/24 (2006.01) C22C 33/02 (2006.01) H01F 1/24 (2006.01) H01F 41/02 (2006.01)

Patent

CA 2497393

The present invention concerns a method of improving the properties of powder metallurgically produced SMC compacted body consisting of a soft magnetic material of insulated powder particles and an organic lubricant, to a stress relieving heat treatment in a furnace until the component has reached a temperature of at least 400 ~C in an oxygen containing atmosphere having a CO content is less than 0.25 % by volume.

Cette invention se rapporte à un procédé servant à améliorer les propriétés d'un corps compacté SMC produit par la métallurgie des poudres, constitué par un matériau magnétique doux de particules de poudres isolées et d'un lubrifiant organique, en soumettant ce corps à un traitement thermique de détente dans un four, jusqu'à ce que le composant atteigne une température d'au moins 400 ·C dans une atmosphère contenant de l'oxygène, dont la teneur en CO est inférieure à 0,25 % en volume.

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