A mono or multilayer coating of hard nitride or carbonitride material containing Al and Ti, characterized in that it has at least one coating layer of the composition (AlxTiyRuzMev) (NaC1-a), with 0.45 = x = 0.75 0.2 = y = 0.55 0.001 = z = 0.1 0 = v = 0.2 0.9 = (x + y + z + v) = 1, 1 0.8 = a = 1.1; in which Me is one or more elements of the group formed by Si, B, W, Mo, Cr, Ta, Nb, V, Hf, Zr and v is the sum of these elements.
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机译：一种含有Al和Ti的硬质氮化物或碳氮化物材料的单层或多层涂层，其特征在于它具有至少一层组成为（AlxTiyRuzMev）（NaC1-a）的涂层，其0.45 <= x <= 0.75 0.2 <= y <= 0.55 0.001 <= z <= 0.1 0 <= v <= 0.2 0.9 <=（x + y + z + v）<= 1，1 0.8 <= a <= 1.1;其中Me是由Si，B，W，Mo，Cr，Ta，Nb，V，Hf，Zr和v形成的组中的一个或多个元素是这些元素的总和。
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