Hard film for cutting tools, cutting tool coated with hard...

Details Hard film for cutting tools, cutting tool coated with hard... Hard film for cutting tools, cutting tool coated with hard...

C - Chemistry, Metallurgy

23

C

C23C 8/36 (2006.01) C23C 14/06 (2006.01) C23C 14/34 (2006.01) C23C 30/00 (2006.01)

Patent

CA 2552445

A hard film for cutting tools which is composed of (Ti1-a-b-c-d, Al a, Cr b, Si c, B d) (C l-e N e) 0.5 <= a <= 0.8, 0.06 <= b, 0 <<= c <= 0.1, 0 <= d <= 0.1, 0 <= c+d <= 0.1, a+b+c+d < 1, 0.5 <= e <= 1 (where a, b, c, and d denote respectively the atomic ratios of Al, Cr, Si, and B, and a denotes the atomic ratio of N).

Un revêtement mince et dur pour outils de coupe qui est composé de (Ti1-a-b-c-d, Al a,Cr b , Si c, B d) (C l- e N e)0,5 <= a <= 0,8, 0,06 <= b, 0 <<= c <= 0,1, 0 <= d <= 0,1, 0 <= c+d <= 0,1, a+b+c+d < 1, 0,5 <= e <= 1 (où a, b, c et d désignent respectivement les rapports atomiques de Al, Cr, Si et B, et a désigne le rapport atomique de N).

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