A coated cutting tool and a method to manufacture, and the use of the same is provided. The coated cutting tool includes of a substrate and a coating including a physical vapor deposition (PVD) deposited Ti,Al-based nitride layer having a thickness of at least 1.0 ?m. The PVD deposited Ti,Al-based nitride layer has at least one layer of TiAlN. The coating further includes a CVD deposited layer of TiN located between the substrate and the PVD deposited Ti,Al-based nitride layer. The CVD deposited layer of TiN is in contact with both the substrate and the PVD deposited Ti,Al-based nitride layer. The method for manufacturing a coated cutting tool includes growing a TiN layer by CVD on the substrate, and growing a Ti,Al-based nitride layer by PVD on the TiN layer.

Disclosed herein is a rare-earth oxide coating on a surface of an article with one or more interruption layers to control crystal growth and methods of its formation. The coating may be deposited by atomic layer deposition and/or by chemical vapor deposition. The rare-earth oxides in the coatings disclosed herein may have an atomic crystalline phase that is different from the atomic crystalline phase or the amorphous phase of the one or more interruption layers.

Disclosed herein is a rare-earth oxide coating on a surface of an article with one or more interruption layers to control crystal growth and methods of its formation. The coating may be deposited by atomic layer deposition and/or by chemical vapor deposition. The rare-earth oxides in the coatings disclosed herein may have an atomic crystalline phase that is different from the atomic crystalline phase or the amorphous phase of the one or more interruption layers.

At least one layer in a coating located on a surface of a substrate is a domain structure layer constituted of two or more domains different in composition and a thin layer located between the domains and being different in composition from each of the domains. The thin layer is located between any one domain and any another domain and in contact therewith. When the size of each of a plurality of first domains present in the domain structure layer is defined as a diameter of a virtual circumcircle in contact with each first domain, the average value of the size of each first domain is not smaller than 1 nm and not greater than 10 nm and a thickness of the thin layer in a direction of thickness of the domain structure layer is not less than 1 atomic layer and not more than 10 atomic layers.

The present disclosure relates to coated non-metallic substrates and coated metallic substrates and methods for producing such coated substrates. A variant of the method is characterized in that a mat or glossy coating is underneath a metallic layer obtained in some eases by way of vapor deposition and/or sputtering. In another variant, the metallic layer is sufficiently thin so that it remains transparent or translucent to visible light. The coated substrates may include multiple layers such as metallic layers, polysiloxane layers, a color layer, a conversion layer, a primer layer, and/or a transparent or colored layer. An application system for applying a metallic layer to at least one surface of a substrate may include a plasma generator and/or a corona system for treating one or more layers by plasma treatment and/or corona treatment.

A coated cutting tool including a substrate and a coating layer formed on the substrate, wherein the coating layer has an alternately laminated structure of a first layer and a second layer, the first layer contains a compound having a composition represented by (Al.sub.aTi.sub.1-a)N (0.80?a?0.95), the second layer contains a compound having a composition represented by (Al.sub.bM.sub.cTi.sub.1-b-c)N (M represents at least one of Si or B, 0.80?b?0.95, and 0<c?0.20), a and b satisfy |a?b|?0.05, and an average thickness of the alternately laminated structure is 1.0 ?m or more and 10.0 ?m or less.

Provided is a surface-coated cutting tool including a base material and a coating including a super-multilayer-structure layer where A layers and B layers different from the A layers in composition are alternately laminated. The super-multilayer-structure layer includes an X area and a Y area those are alternately repeated. In the X area, A layers having a thickness A.sub.X and B layers having a thickness B.sub.X are alternately laminated. In the Y area, A layers having a thickness A.sub.Y and B layers having a thickness B.sub.Y are alternately laminated. The thickness A.sub.X is larger than the thickness A.sub.Y, and the thickness B.sub.X is smaller than the thickness B.sub.Y. Each of the A layers and the B layers comprising one or more elements selected from a group consisting of Ti, Al, Cr, Si, Ta, Nb, and W, and one or more elements selected from a group consisting of C and N.

A multilayer hard film-coated cutting tool including a cutting tool body and a multilayer hard film formed on a surface of the cutting tool body, wherein the multilayer hard film comprises at least an upper layer and a lower layer; the upper layer is made of a Ti and Si compound layer; the lower layer is made of a multi-layered film of an A-layer and a B-layer, a layer thickness of the B-layer is equal to or thicker than a layer thickness of the A-layer, a ratio of the layer thicknesses of the A-layer and the B-layer being A-layer:B-layer=1:1 to 1:2, the multilayer hard films having 2 to 8 pairs of the A-layer and the B-layer in a case where a single pair is defined by a combination of a single A-layer and a single B-layer.

A composite article includes a substrate, at least one protective layer on the substrate, and an intermediate layer between the protective layer and the substrate. The intermediate layer includes a first material that occupies a first continuous region and a second material that occupies a second continuous region next to the first continuous region. The first continuous region and the second continuous region are each in contact with the substrate and the protective layer.

A cutting tool comprising a base material and a coating, wherein the coating comprises a hard particle layer, the hard particle comprises a multilayer structure in which a first unit layer formed from a first compound and a second unit layer from a second compound are alternately stacked, each of the first compound and the second compound consists of one or more metal elements selected from the group consisting of a periodic table group 4 element, a periodic table group 5 element, and a periodic table group 6 element, silicon, and one or more elements selected from the group consisting of carbon, nitrogen, boron, and oxygen, and a percentage of the number of atoms of the silicon to a sum of the numbers of atoms of the metal element and the silicon in the first unit layer is different from that in the second unit layer.