EP 1231003 B1 20090225 - Process for preparing an article of soft magnetic composite material
Title (en)
Process for preparing an article of soft magnetic composite material
Title (de)
Verfahren zur Herstellung eines Formteils aus einem weichmagnetischen Verbundwerkstoff
Title (fr)
Procédé de fabrication d'un article en un matériau composite magnétiquement doux
Publication
Application
Priority
DE 10106172 A 20010210
Abstract (en)
[origin: EP1231003A2] In the production of a molding of soft magnetic composite material by (a) preparing a mixture of iron powder and pressing aid, (b) pressing to a molding and (c) tempering, the novelty is that tempering is carried out in an inert gas containing 10-1 vol.% oxygen. An Independent claim is also included for the production of a molding of this type by steps (a), (b) and (c), in which molding and tempering are repeated after the tempering stage.
IPC 8 full level
B22F 3/10 (2006.01); B22F 3/12 (2006.01); C21D 1/76 (2006.01); C21D 8/12 (2006.01); C22C 33/02 (2006.01); H01F 1/24 (2006.01); H01F 41/02 (2006.01)
CPC (source: EP US)
B22F 3/1007 (2013.01 - EP US); C21D 1/76 (2013.01 - EP US); C22C 33/02 (2013.01 - EP US); H01F 41/0246 (2013.01 - EP US); B22F 2003/023 (2013.01 - EP US); B22F 2003/241 (2013.01 - EP US); B22F 2003/247 (2013.01 - EP US); B22F 2998/00 (2013.01 - EP US); B22F 2998/10 (2013.01 - EP US); B22F 2999/00 (2013.01 - EP US)
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 1231003 A2 20020814; EP 1231003 A3 20050720; EP 1231003 B1 20090225; DE 10106172 A1 20020829; DE 50213306 D1 20090409; US 2002135089 A1 20020926; US 7175794 B2 20070213
DOCDB simple family (application)
EP 02001397 A 20020119; DE 10106172 A 20010210; DE 50213306 T 20020119; US 7417502 A 20020211