Method of preparing iron-based components by compaction with...

Details Method of preparing iron-based components by compaction with... Method of preparing iron-based components by compaction with...

B - Operations, Transporting

22

F

B22F 1/00 (2006.01) B22F 3/12 (2006.01) C22C 33/02 (2006.01)

Patent

CA 2495697

The present invention concerns a process for the preparation of high density green compacts comprising the steps of providing an iron-based powder essentially free from fine particles; optionally mixing said powder with graphite and other additives; uniaxially compacting the powder in a die at a compaction pressure of at least about 800 MPa and ejecting the green body. The invention also concerns the powder used in the method.

L'invention concerne un procédé permettant de préparer des comprimés crus haute densité. Ce procédé comprend les étapes consistant à utiliser une poudre à base de fer essentiellement exempte de particules fines; à mélanger éventuellement cette poudre avec du graphite et avec d'autres additifs; à compacter de manière uniaxiale la poudre dans une matrice à une pression de compactage d'au moins 800 MPa environ, puis à éjecter le corps cru. Cette invention concerne également la poudre utilisée dans ce procédé.

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