A corrosion resistant coating for substrates susceptible to corrosion in essentially saline environments, optionally, in vivo environments, is provided. The coating is provided as a nanolaminate structure comprising a plurality of deposition layers formed through a process of chemical deposition in vapour phase, preferably, through Atomic Layer Deposition (ALD) such that the deposition layers having a first composition alternate with the deposition layers having a second composition different from the first composition. A nanolaminate stack produced thereby forms a diffusion barrier that efficiently prevents corrosive species, such as corrosive ionic species, originating from essentially saline environments from contacting the substrate. Related method for improving resistance of a substrate to corrosion in essentially saline media and uses of the nanolaminate coating are further provided.

A cutting tool comprises a substrate and a coating film disposed on the substrate, wherein the coating film comprises a first layer and a second layer; the first layer has a hardness H.sub.1 of 25 GPa or more and 40 GPa or less; the second layer has a hardness H.sub.2 satisfying 0.5?H.sub.1?H.sub.2?0.9?H.sub.1; and at least one of a ratio I.sub.(200)/(I.sub.(200)+I.sub.(111)+I.sub.(220)) of I.sub.(200) of (200) plane to a sum of X-ray diffraction intensity I.sub.(200) of (200) plane, X-ray diffraction intensity I.sub.(111) of (111) plane, and X-ray diffraction intensity I.sub.(220) of (220) plane of the coating film, a ratio I.sub.(111)/(I.sub.(200)+I.sub.(111)+I.sub.(220)) of I.sub.(111) to the sum, and a ratio I.sub.(220/(I.sub.(200)+I.sub.(111)+I.sub.(220)) of I.sub.(220) to the sum is 0.45 or more.

A steel sheet for cans has, on the surface thereof, in order from the steel sheet side, a chromium metal layer and a hydrous chromium oxide layer. The chromium metal layer is deposited in an amount of 65-200 mg/m.sup.2, and the hydrous chromium oxide layer is deposited in an amount of 3-15 mg/m.sup.2 in terms of chromium. The chromium metal layer includes: a flat chromium metal layer that has a thickness of at least 7 nm; and a granular chromium metal layer that includes granular protrusions that are formed on the surface of the flat chromium metal layer. The maximum grain size of the granular protrusions is 100 nm or smaller. The number density of the granular protrusions per unit area is 10/?m.sup.2 or higher.

A gas turbine engine component includes a metal substrate and a coating system disposed on the metal substrate. The coating system includes at least one layer of aluminum-chromium oxide.

A coated cutting tool comprising a substrate and a coating layer formed on a surface of the substrate, the coating layer including an alternating laminate structure in which two or more compound layers of each of two or three or more kinds, each kind having a different composition, are laminated in an alternating manner, wherein: the alternating laminate structure is constituted by: a compound layer containing a compound having a composition represented by formula (1) below:

(Ti.sub.xM.sub.ySi.sub.z)N(1)

[wherein M denotes an element of at least one kind selected from the group consisting of Zr, Hf, V, Nb, Ta, Cr, Mo, W and Al, x denotes an atomic ratio of Ti based on a total of Ti, an element denoted by M and Si, y denotes an atomic ratio of the element denoted by M based on a total of Ti, the element denoted by M and Si, z denotes an atomic ratio of Si based on a total of Ti, the element denoted by M and Si, x satisfies 0.20x0.50, y satisfies 0.20y0.50, z satisfies 0.03z0.30, and x, y and z satisfy x+y+z=1]; and a compound layer containing a compound having a composition represented by formula (2) below:

(Ti.sub.aM.sub.bSi.sub.c)N(2)

[wherein M denotes an element of at least one kind selected from the group consisting of Zr, Hf, V, Nb, Ta, Cr, Mo, W and Al, a denotes an atomic ratio of Ti based on a total of Ti, an element denoted by M and Si, b denotes an atomic ratio of the element denoted by M based on a total of Ti, the element denoted by M and Si, c denotes an atomic ratio of Si based on a total of Ti, the element denoted by M and Si, a satisfies 0.20a0.49, b satisfies 0.21b0.50, c satisfies 0.04c0.30, and a, b and c satisfy a+b+c=1]; an absolute value of a difference between an amount of a specific metal element contained in a compound layer which constitutes the alternating laminate structure based on an amount of all the metal elements contained therein and an amount of the specific metal element contained in another compound layer which is adjacent to the compound layer and which constitutes the alternating laminate structure based on an amount of all the metal elements contained therein, is more than 0 atom % and less than 5 atom %; and an average thickness of each of the compound layers is from 1 nm or more to 50 nm or less, and an average thickness of the alternating laminate structure is from 1.0 m or more to 15.0 m or less.

A turbomachine component of a stationary turbomachine includes a substrate made of high alloyed 10% to 18% chromium steels or titanium alloys or nickel base alloys or cobalt base alloys with a substrate surface and an erosion and corrosion resistant coating system. The coating system includes a first layer, which is deposited on the substrate surface of the turbomachine component and acts as a corrosion resistant layer and a second layer. The second layer is deposited on the first layer and acts as an erosion resistant layer, wherein the first layer is a Zr single layer and the second layer is a W/WC multilayer.

A coated cutting tool consisting of a substrate and a multi-layered wear resistant hard coating and a process for manufacturing the same is provided. The layers of the hard coating are deposited by chemical vapour deposition (CVD) and include a TiCN layer with a multi-sublayer structure of alternating C-type and N-type sublayers and an overall fiber texture characterized by a texture coefficient TC (4 2 2) in the range from 3.0 to 5.5, an oxygen containing Ti or Ti+Al compound bonding layer, and an -Al.sub.2O.sub.3 layer on top of the bonding layer with an overall fiber texture characterized by a texture coefficient TC (0 0 12)>5.

The present application discloses a decorative sheet including a supporting layer and a solid film layer. The solid film layer is disposed on the supporting layer and presents a color. The solid film layer includes a single layer or a composite layer. A thickness and/or material of at least one layer in the solid film layer is set to be varied. In this application, through the change of the thickness and/or material of the solid film layer, the color of the solid film layer can be changed, including shade changes, color changes and other variety changes, so that the decorative sheet has rich color, rich vision, better decoration effect and higher recognition. Furthermore, the present application further discloses a cover plate for a consumer electronic product with the above-mentioned decorative sheet.

A multilayer thin film and a method of depositing a multilayer thin film on a surface of a product is provided. The multilayer thin film includes a first layer including a non-conductive material coupled to an object, a second layer including a metallic material coupled to the first layer, and a third layer including a non-conductive material coupled to the second layer.

A strip product consists of a metallic substrate, such as stainless steel, and a coating, which in turn comprises at least one metallic layer and one reactive layer. The coated strip product is produced by providing the different layers, preferably by coating, and thereafter oxidizing the coating to accomplish a conductive surface layer comprising perovskite and/or spinel structure.