Abstract: A surface-coated cutting tool in which a hard coating layer exhibits exceptional adhesion resistance and anomalous damage resistance is provided. This surface-coated cutting tool includes a tool body composed of a WC based cemented carbide or a TiCN based cermet; and at least one hard coating layer provided on a surface of the tool body, and; 1) the hard coating layer includes at least one complex nitride layer, 2) the complex nitride layer contains 0.001 to 0.030 atom % of chlorine, 3) in the complex nitride layer, an area ratio of longitudinal crystal grains having an aspect ratio equal to or greater than 2 occupying a longitudinal cross section is 50% or more, and 4) a layer thickness of the complex nitride layer is 0.2 ?m to 20 ?m.

Abstract: Provided is a coated cutting tool of long tool life and that affords superior machined surface quality. A coated cutting tool includes a substrate, and a coating layer formed on the substrate. The coated cutting tool includes at least one flank face, at least one rake face, and a honing section rounded and connecting the flank face and the rake face. The coating layer includes a lower layer, an intermediate layer and an upper layer, in this order from the side of the substrate. The lower layer is composed of one, or two or more Ti compound layers made up of a Ti compound of Ti and at least one element selected from the group consisting of C, N, O and B. The intermediate layer contains ?-type Al2O3. The upper layer contains a compound represented by following formula (1): Ti(C1-x-yNxOy) (1). An average thickness of the coating layer on the flank face side is 5.0 ?m more and 30.0 ?m or less.

Abstract: A surface coated cutting tool comprises a base material and a coating layer that coats the base material, the coating layer including an alternate layer composed of a first unit layer and a second unit layer alternately stacked, the first unit layer being composed of a nitride containing aluminum and zirconium, in the first unit layer, when the total number of metal atoms constituting the first unit layer is represented as 1, a ratio thereto of the number of atoms of the zirconium being not less than 0.65 and not more than 0.95, the second unit layer being composed of a nitride containing titanium and aluminum, in the second unit layer, when the total number of metal atoms constituting the second unit layer is represented as 1, a ratio thereto of the number of atoms of the aluminum being larger than 0.40 and not more than 0.70.

Abstract: The present invention relates to a component comprising a substrate coated with a coating having a film (3,4 or 3,4,5) comprising one or more transition metals, TM, aluminium, Al, and nitrogen, N, wherein the TM and N as well as Al and N are comprised in the film forming respectively nitride compounds, wherein the transition metal nitride, TM-N, is present in the film distributed in different portions exhibiting one crystalline phase of TM-N, and the aluminium nitride, Al—N, is present in the film in different portions exhibiting one phase of Al—N, whereas the phase of the transition metal nitride is cubic, c-TMN, the phase of the aluminium nitride is wurtzite, w-AIN, and wherein the film exhibits coherent or (semi-) coherent interfaces between the c-TMN phase portions and the w-AI-N phase portions.

Abstract: A sliding member (10) including a coating film (1) composed of a hard carbon layer on a sliding surface (16) of a base material (11). The coating film has, when a cross section thereof is observed by a bright-field TEM image, a thickness within a range of 1 ?m to 50 ?m, and is configured by repeating units including black hard carbon layers (B), relatively shown in black, and white hard carbon layers (W), relatively shown in white, and laminated in a thickness direction, and comprise an inclined region, provided on a base material side, where thicknesses of white hard carbon layers (W) of the repeating units gradually increase in a thickness direction, and a homogeneous region\, provided on a surface side of the sliding member, where thicknesses of the white hard carbon layers (W) of the repeating units are the same or substantially the same in the thickness direction.

Abstract: A coated cutting tool includes a substrate with a coating having a total thickness of 0.25-30 ?m. The coating has a first layer and a second layer, the first layer being a wear resistant PVD deposited layer having a thickness of 0.2-15 ?m arranged between the substrate and the second layer, and wherein the second layer is a Cr layer.

Abstract: A cutting tool comprises a substrate and an AlTiN layer, the AlTiN layer including a first major surface and a second major surface, the AlTiN layer including a first region having a distance of 0 nm or more and 30 nm or less from the first major surface and having a maximum oxygen content ratio of more than 0 atomic % and less than 5 atomic %, a second region having a distance of more than 30 nm and 100 nm or less from the first major surface and having a maximum oxygen content ratio of 5 atomic % or more and 30 atomic % or less, and a third region having a distance of more than 100 nm and 150 nm or less from the first major surface and having a maximum oxygen content ratio of more than 0 atomic % and less than 5 atomic %.

Abstract: A cutting tool comprises a substrate and an AlTiN layer, the AlTiN layer including a first major surface and a second major surface, the AlTiN layer including a first region having a distance of 0 nm or more and 30 nm or less from the first major surface and having a maximum oxygen content ratio of 30 atomic % or more, a second region having a distance of more than 30 nm and 100 nm or less from the first major surface and having a maximum oxygen content ratio of 5 atomic % or more and less than 30 atomic %, and a third region having a distance exceeding 100 nm from the first major surface and having a maximum oxygen content ratio of less than 5 atomic %.

Abstract: A coated cutting tool includes a substrate of cemented carbide and a coating. The cemented carbide is made of WC and a binder phase of one or more of Co, Fe and Ni. The carbon content in the cemented carbide is a substoichiometric carbon content SCC, wherein ?0.13 wt %?SCC<0 wt %, or ?0.30 wt %?SCC??0.16 wt %. The coating includes one or more layers being a metal carbide, metal nitride or metal carbonitride, the metal being at least one of Zr and Hf, and wherein Ti is present in an amount of at most 10 at-% of the amount metal. The one or more layers is situated between the substrate and the aluminum oxide layer.

Abstract: A coated cutting tool includes a substrate and a coating. The coating has an ?-Al2O3-multilayer of alternating sublayers of ?-Al2O3 and sublayers of TiCO, TiCNO, AlTiCO or AlTiCNO. The ?-Al2O3-multilayer includes at least 5 sublayers of ?-Al2O3, wherein the total thickness of the ?-Al2O3-multilayer is 1-15 ?m and wherein a period in the ?-Al2O3-multilayer is 50-900 nm. The ?-Al2O3-multilayer exhibits an XRD diffraction over a ?-2? scan of 20°-140°, wherein the relation of the intensity of the 0 0 12 diffraction peak (peak area), I(0 0 12), to the intensities of the 1 1 3 diffraction peak (peak area), I(1 1 3), the 1 1 6 diffraction peak (peak area), I(1 1 6), and the 0 2 4 diffraction peak (peak area), I(0 2 4), is I(0 0 12)/I(1 1 3)>1, I(0 0 12)/I(1 1 6)>1 and I(0 0 12)/I(0 2 4)>1.

Abstract: A surface-coated cutting tool has a hard coating layer including an upper layer ?, an adhesion layer ?, and a lower layer ?. The upper layer ? is formed of an ?-Al2O3 layer formed under low temperature conditions. The adhesion layer ? includes a TiCN layer having a thickness of 0.5 ?m or more in an outermost layer and contains 0.5 to 3 ?m to a maximum depth of 0.5 ?m toward the inside in a layer thickness direction of the TiCN layer from the interface between the TiCN layer and the upper layer ?. The lower layer ? is formed of (Ti1-XAlX)(CYN1-Y) of a single phase of a NaCl type face-centered cubic structure, in which an average content ratio Xavg of Al and an average content ratio Yavg of C in this composition formula satisfy 0.60?Xavg?0.95 and 0?Yavg?0.005.

Abstract: A cutting tool includes: a substrate; a hard layer provided on the substrate; and a titanium carbonitride layer provided on the hard layer, wherein a thickness of the titanium carbonitride layer is more than or equal to 2 ?m, a hardness of the titanium carbonitride layer at a room temperature is more than or equal to 35 GPa, and a Young's modulus of the titanium carbonitride layer at the room temperature is more than or equal to 800 GPa.

Abstract: A coated cutting tool comprising: a substrate; and a coating layer formed on a surface of the substrate, wherein: the coating layer comprises a lower layer, an intermediate layer and an upper layer in this order from the substrate side; the lower layer comprises one or more Ti compound layers containing a Ti compound of Ti and an element of at least one kind selected from the group consisting of C, N, O and B; and the intermediate layer comprises an ?-Al2O3 layer containing ?-Al2O3; and the upper layer comprises a TiCN layer containing TiCN; an average thickness of the coating layer is within a specific range, and an average thickness of the upper layer is within a specific range; in a cross section perpendicular to the surface of the substrate, the grains in the TiCN layer constituting the upper layer satisfies a specific condition.

Abstract: A sliding member includes a carbon transfer layer and can superiorly effectively decrease friction and reduce wear. A method produces the sliding member. The sliding member includes a substrate and a carbon transfer layer. The carbon transfer layer is disposed on the surface of the substrate and includes both sp2 bonded carbon and sp3 bonded carbon. The carbon transfer layer preferably has a ratio sp3/(sp2+sp3) of the sp3 bonded carbon to the totality of the sp2 bonded carbon and the sp3 bonded carbon of 0.1 or more.

Abstract: The purpose of the invention is to provide technology, which, in addition to being capable of forming thick hard carbon films of excellent durability even using PVD, is able to establish both chipping resistance and wear resistance in the formed hard carbon film and able to improve low friction properties and peeling resistance. Provided is a coating film to be coated on the surface of a substrate, the coating film having a total film thickness of greater than 1 ?m to 50 ?m wherein: when a cross-section is observed using bright field TEM images, white hard carbon layers that are shown as relatively white and black hard carbon layers that are shown as black are alternately laminated in the thickness direction; and the white hard carbon layers have regions that have grown in a fan-shape in the thickness direction.

Abstract: A coated tool may include a base member including a first surface, and a coating layer located at least on the first surface of the base member. The coating layer may include a first layer and a second layer. The first layer may be located on the first surface and may include a titanium compound. The second layer may be contactedly located on the first layer and may include aluminum oxide. The coating layer may include a plurality of voids located side by side in the first layer in a direction along a boundary between the first layer and the second layer in a cross section orthogonal to the first surface.

Abstract: A coated cutting tool comprising a substrate and a coating layer formed on a surface of the substrate, wherein: the coating layer comprises a lower layer, an intermediate layer, and an upper layer in this order from the substrate side; the lower layer comprises one or two or more Ti compound layers containing a Ti compound of Ti and an element of at least one kind selected from the group consisting of C, N, O and B, the intermediate layer comprises an ?-Al2O3 layer containing ?-Al2O3, and the upper layer comprises a TiCNO layer containing TiCNO; an average thickness of the coating layer is 5.0 ?m or more and 30.0 ?m or less; in a specific first cross section, a misorientation A satisfies a specific condition; and in a specific second cross section, a misorientation B satisfies a specific condition.

Abstract: A coated cutting tool comprising a substrate and a coating layer formed on a surface of the substrate, wherein the coating layer includes a predetermined lower layer, an intermediate layer comprising ?-Al2O3, and an upper layer comprising TiCN; the lower layer, intermediate layer, and upper layer have predetermined average thicknesses; a condition represented by formula (1) [RSA?40 (1)] is satisfied; the interface of the intermediate layer on the upper layer side has a kurtosis roughness (Sku) of more than 3.0; the interface of the intermediate layer on the upper layer side has a skewness roughness (Ssk) of less than 0; and a condition represented by formula (2) [RSB?40 (2)] is satisfied.

Abstract: A cutting tool includes a base body and a coating applied thereto. For providing a cutting tool, having both a hard coating that also exhibits fracture toughness, the coating includes at least one oxide layer deposited in the PVD process, consisting of at least 10 alternating single coats of Al2O3 and (Alx, Me1-x)2O3, where 0<x<1, wherein Me is selected from one or more of the group of Si, Ti, V, Zr, Mg, Fe, B, Gd, La and Cr.

Abstract: A coated cutting tool includes a substrate of cemented carbide, cermet, ceramics, steel or cubic boron nitride and a multi-layered wear resistant coating. The multi-layered wear resistant coating has a total thickness from 5 to 25 ?m and includes refractory coating layers deposited by chemical vapour deposition (CVD) or moderate temperature chemical vapour deposition (MT-CVD). The multi-layered wear resistant coating has at least one pair of layers (a) and (b), with layer (b) being deposited immediately on top of layer (a). Layer (a) is a layer of aluminium nitride having hexagonal crystal structure (h-AlN) and a thickness from 10 nm to 750 nm. Layer (b) is a layer of titanium aluminium nitride or titanium aluminium carbonitride represented by the general formula Ti1-xAlxCyNz with 0.4?x?0.95, 0?y?0.10 and 0.85?z?1.15, having a thickness from 0.5 ?m to 15 ?m, and at least 90% of the Ti1-xAlxCyNz of layer (b) has a face-centered cubic (fcc) crystal structure.