C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
C22C 1/02 (2006.01) C22C 32/00 (2006.01) C22C 33/04 (2006.01) C22C 33/08 (2006.01) C22C 37/06 (2006.01)
Patent
CA 2409124
In a method of producing an iron-based alloy containing chromium carbide, pieces of cemented carbide are added to an iron-based melt containing carbon, e.g. cast iron. Chromium, which regulates the solution of WC into the melt, is also added. The molten alloy is then cast. An alloy comprising chromium- tungsten-carbide in a ferrous matrix is produced. Uses of the alloy are claimed.
Dans ce procédé permettant la production d'un alliage à base de fer contenant du carbure de chrome, on introduit des éléments de carbure métallique dans une charge en fusion à base de fer contenant du carbone, par exemple de la fonte. On ajoute en outre à cette charge du chrome qui régule la dissolution du carbure de tungstène dans la charge. L'alliage en fusion est ensuite coulé. On produit ainsi un alliage comprenant du carbure de chrome-tungsène dans une matrice de fer. L'invention concerne également les utilisations de cet alliage.
Andersson Carl-Hakan
Nilsson Anders
Stahl Jan-Eric
Proengco Ab
Proengco Tooling Ab
Smart & Biggar
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