Sintered products having improved density

Details Sintered products having improved density Sintered products having improved density

B - Operations, Transporting

22

F

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

Patent

CA 2189973

The present invention concerns low alloy PM materials which after single pressing and sintering utilising traditional powder metallurgy processes and equipment combine high mechanical strength and high density with maintained precision of tolerance. As base material is used in iron powder having at least one alloying element diffusion-bonded to the outer surfaces of unalloyed iron particles.

L'invention concerne des matériaux faiblement alliés obtenus par des techniques de métallurgie des poudres qui, après une seule compression et frittage au moyen de procédés et d'équipements utilisés dans la métallurgie des poudres classiques, présentent à la fois une résistance mécanique et une densité élevées avec une précision de tolérance inchangée. Une poudre de fer comprenant au moins un élément d'alliage lié par diffusion aux surfaces externes de particules de fer non alliées est utilisée comme matériau de base.

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