C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 14/06 (2006.01) C23C 30/00 (2006.01)
Patent
CA 2328152
The present invention relates to a composition for use as a coating on a cutting tool, which composition comprises: (i) a first material selected from TiNx, TiA1Nx, TiA1YCrNx and CrNx; and (ii) a second material selected from MoSz and WSz, wherein x is from 0.5 to 1.5, z is from 0.8 to 2.2 and the atomic ratio (y) of Mo or W to Ti or Cr is from 0.1 to 0.8.
L'invention concerne une composition destinée à être utilisée pour le revêtement d'un outil de coupe. Cette composition comprend: (i) un premier matériau sélectionné dans le groupe constitué de TiN¿x?, TiAlN¿x?, TiAlYCrN¿x? et CrN¿x?, et (ii) un second matériau choisi entre MoS¿z? et WS¿z?. Dans ces matériaux, x est compris entre 0,5 et 1,5, z est compris entre 0,8 et 2,2, et le rapport atomique (y) de Mo ou W à Ti ou Cr est compris entre 0,1 et 0,8.
Gilmore Richard
Gissler Wolfram
Losbichler Paul
Mitterer Christian
European Community
Fetherstonhaugh & Co.
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