Abstract: A hard laminated Mm wherein a layer A and a layer B having specific compositions are deposited alternately so that the compositions of layer A and layer B are different. The thickness of layer A per layer is twice or more the thickness of layer B per layer, the thickness of layer B per layer is 5 nm or more, and the thickness of layer A per layer is 200 nm or less.

Abstract: A hard-coated material having a substrate coated with a wear resistant and easily removed film is provided. The film comprises laminated alternately in succession, a lower layer-A having a composition of formula TivM1-v(CxNyOz) and an upper layer-B having a composition of formula TivCrwM1-v-w(CxNyOz). At least two lamination units are provided and the ratio in thickness of a singularity of the layer-B to a singularity of the layer-A is at least 2. The thickness of a singularity of the layer-A is within the range of 0.1 to 3?m both inclusive, the thickness of a singularity of the layer-B is within the range of 1 to 10?m both inclusive, and the total thickness of a plurality of the layers-B is at least 5 ?m.

Abstract: A hard coating film to be applied to the surface of a tool, which has a composition of (Cr1-a-bAlaSib) (BxCyN1-x-y) with atomic ratios specified below. 0<a?0.4 0.05?b?0.35 0.25?1?a?b?0.9 0?x?0.15 0?y?0.5 or a composition of (M1-a-bAlaSib) (BxCyN1-x-y) with atomic ratios specified below. 0.05?a?0.5 0.1<b?0.35 0?x?0.15 0?y?0.5 where M denotes Ti and Cr. The hard coating film for cutting tools has better wear resistance than conventional ones.

Abstract: A hard coating film to be applied to the surface of a tool, said hard coating film having a composition represented by the formula Al1-a-b-cSiaMgbMc(BxCyNz), where M denotes at least one species of elements selected from Nb, V, Zr, Cr, Ti, Cu, and Y, and a, b, c, x, y, and z represent atomic ratios such that 0?a?0.35, 0?b?0.2, 0.03?a+b?0.5, 0?c?0.1, 0.9?Al+Si+Mg, 0?x?0.2, 0?y?0.4, 0.5?z?1, and x+y+z=1. A tool coated with the hard coating film defined above. The hard coating film has excellent wear resistance owing to its improved hardness, oxidation resistance, and toughness. It is used for coating on a tool to improve wear resistance.

Abstract: There is provided a hard-coated material in which a substrate thereof is coated with a hard coating film that is excellent in wear resistance and also excellent in film removability to allow easy removal thereof once damaged or worn for the purpose of recycled use of the substrate. The hard coating film formed on the substrate comprises a layer-A and a layer-B; wherein the layer-A has a component composition represented by the formula TivM1-v(CxNyOz) (where M denotes at least one species selected from predetermined elements, and the variables v, x, y, and z indicate predetermined ratios of the respective elements); and wherein the layer-B has a component composition represented by the formula TivCrwM1-v-w(CxNyOz) (where M denotes at least one species selected from predetermined elements, and the variables v, w, x, y, and z indicate predetermined ratios of the respective elements). The layer-A and the layer-B are laminated alternately in succession.

Abstract: A hard coating film to be applied to the surface of a tool, said hard coating film having a composition represented by the formula Al1-a-b-cSiaMgbMc(BxCyNz), where M denotes at least one species of elements selected from Nb, V, Zr, Cr, Ti, Cu, and Y, and a, b, c, x, y, and z represent atomic ratios such that 0?a?0.35, 0?b?0.2, 0.03?a+b?0.5, 0?c?0.1, 0.9?Al+Si+Mg, 0?x?0.2, 0?y?0.4, 0.5?z?1, and x+y+z=1. A tool coated with the hard coating film defined above. The hard coating film has excellent wear resistance owing to its improved hardness, oxidation resistance, and toughness. It is used for coating on a tool to improve wear resistance.

Abstract: A hard laminated film wherein a layer A and a layer B having specific compositions are deposited alternately so that the compositions of layer A and layer B are different. The thickness of layer A per layer is twice or more the thickness of layer B per layer, the thickness of layer B per layer is 0.5 nm or more, and the thickness of layer A per layer is 200 nm or less. Layer A has a cubic rock-salt crystal structure such as that of Ti, Cr, Al, V nitride, carbonitride or carbide, and layer B is a hard film having a crystal structure other than cubic such as that of BN, BCN, SiN, SiC, SiCN, B—C, Cu, CuN, CuCN or metallic Cu. Alternatively, layer A has a chemical composition satisfying the following formula (1), and layer B has a chemical composition satisfying the following formula (2). Cr(BaCbN1-a-b-cOc)??Layer A 0?a?0.15, 0?b?0.3, 0?c?0.1, 0.2?e?1.1??(1) B1-s-tCsNt??Layer B 0?s 0.25, (1?s?t)/t?1.

Abstract: A hard laminated film wherein a layer A and a layer B having specific compositions are deposited alternately so that the compositions of layer A and layer B are different. The thickness of layer A per layer is twice or more the thickness of layer B per layer, the thickness of layer B per layer is 0.5 nm or more, and the thickness of layer A per layer is 200 nm or less. Layer A has a cubic rock-salt crystal structure such as that of Ti, Cr, Al, V nitride, carbonitride or carbide, and layer B is a hard film having a crystal structure other than cubic such as that of BN, BCN, SiN, SiC, SiCN, B—C, Cu, CuN, CuCN or metallic Cu. Alternatively, layer A has a chemical composition satisfying the following formula (1), and layer B has a chemical composition satisfying the following formula (2). Layer A: Cr(BaCbN1-a-b-cOc) 0?a?0.15, 0?b?0.3, 0?c?0.1, 0.2?e?1.1??(1) Layer B: B1-s-tCsNt 0?s 0.25, (1-s-t)/t?1.

Abstract: A hard coating film to be applied to the surface of a tool, which has a composition of (Cr1-a-bAlaSib) (BxCyN1-x-y) with atomic ratios specified below. 0<a?0.4 0.05?b?0.35 0.25?1-a-b?0.9 0?x?0.15 0?y?0.5 or a composition of (M1-a-bAlaSib) (BxCyN1-x-y) with atomic ratios specified below. 0.05?a?0.5 0.1<b?0.35 0?x?0.15 0?y?0.5 where M denotes Ti and Cr. The hard coating film for cutting tools has better wear resistance than conventional ones.

Abstract: A hard laminated film wherein a layer A and a layer B having specific compositions are deposited alternately so that the compositions of layer A and layer B are different. The thickness of layer A per layer is twice or more the thickness of layer B per layer, the thickness of layer B per layer is 0.5 nm or more, and the thickness of layer A per layer is 200 nm or less. Layer A has a cubic rock-salt crystal structure such as that of Ti, Cr, Al, V nitride, carbonitride or carbide, and layer B is a hard film having a crystal structure other than cubic such as that of BN, BCN, SiN, SiC, SiCN, B—C, Cu, CuN, CuCN or metallic Cu. Alternatively, layer A has a chemical composition satisfying the following formula (1), and layer B has a chemical composition satisfying the following formula (2). Layer A: Cr(BaCbN1-a-b-cOc) 0?a?0.15, 0?b?0.3, 0?c?0.1, 0.2?e?1.1??(1) Layer B: B1-s-tCsNt 0?s 0.25, (1?s?t)/t?1.

Abstract: A hard coating film to be applied to the surface of a tool, which has a composition of (Cr1-a-bAlaSib) (BxCyN1-x-y) with atomic ratios specified below. 0<a?0.4 0.05?b?0.35 0.25?1?a?b?0.9 0?x?0.15 0?y?0.5 or a composition of (M1-a-bAlaSib) (BxCyN1-x-y) with atomic ratios specified below. 0.05?a?0.5 0.1<b?0.35 0?x?0.15 0?y?0.5 where M denotes Ti and Cr. The hard coating film for cutting tools has better wear resistance than conventional ones.