Substrate provided with a plurality of layers, at least one of which includes metal oxides and is topped directly by a metal coating layer that contains at least 8% by weight nickel and at least 10% by weight chromium, the remainder being iron, additional elements and the impurities resulting from the fabrication process, wherein this metal coating layer is topped directly by an anticorrosion coating layer. A corresponding fabrication method is also provided.

A corrosion-resistant optical device is disclosed. The device includes a substrate, a silver layer upon the substrate, and an insulating layer that provides abrasion resistance. The device is immersed in a thiol-rich solution. The thiols form a corrosion-inhibiting monolayer upon any exposed silver surface. This increases the environmental resistance of the optical device, keeping water from interacting with the silver layer.

A bi-layer protective coating for a metal component, the bi-layer protective coating comprising a bond coating that is metallurgically fused to a substrate of the metal component, wherein the bond coating comprises one or more rare metals and a top coating that is mechanically bonded to the bond coating, wherein the top coating comprises one or more metal oxides, or one or more metal carbides.

Provided herein is a hydrogen permeation barrier coating, a coated substrate, and methods of coating a substrate.

A hot stamped steel includes a base material that is formed of steel, a plated layer that is formed on a surface of the base material, and a phosphate coating that is formed on a surface of the plated layer; chemical composition of the plated layer contains 20.00 to 45.00 mass % of Al, 10.00 to 45.00 mass % of Fe, 4.50 to 15.00 mass % of Mg, 0.10 to 3.00 mass % of Si, 0.05 to 3.00 mass % of Ca, and the plated layer may further contain one or more of Sb, Pb, Cu, Sn, Ti, Sr, Cr, Ni, and Mn with a remainder of Zn and impurities; the phosphate coating comprises zinc phosphate crystals containing 5.0 to 50.0 mass % of Mg and 0.5 to 5.0 mass % of Ca; and the adhesion amount of the phosphate coating per one surface is in a range of 0.1 to 10.0 g/m.sup.2.

This plated steel material includes a steel sheet, a plated layer formed on the steel sheet, and an oxide layer formed on the plated layer, in which the plated layer has a chemical composition containing, by mass %, 1.0 to 60.0% of Al, 1.0 to 15.0% of Mg, 0 to 2.0% of Si, 0 to 2.0% of Ca, and 0 to 2.0% of Fe, and a remainder being of Zn and impurities, the oxide layer has a thickness of 5 nm or more, and a (Al+Mg)/Zn intensity ratio that is the ratio of the total of the maximum intensity of Al and the maximum intensity of Mg to the maximum intensity of Zn in energy dispersive X-ray analysis of the oxide layer is 1.0 or more, and the oxide layer includes an amorphous microstructure.

This plated steel material includes a steel sheet, a plated layer formed on the steel sheet, and an oxide layer formed on the plated layer, in which the plated layer has a chemical composition containing, by mass %, 1.0 to 60.0% of Al, 1.0 to 15.0% of Mg, 0 to 2.0% of Si, 0 to 2.0% of Ca, and 0 to 2.0% of Fe, and a remainder being of Zn and impurities, the oxide layer has a thickness of 5 nm or more, and a (Al+Mg)/Zn intensity ratio that is the ratio of the total of the maximum intensity of Al and the maximum intensity of Mg to the maximum intensity of Zn in energy dispersive X-ray analysis of the oxide layer is 1.0 or more, and the oxide layer includes an amorphous microstructure.

A surface-treated steel sheet including a steel sheet, a zinc-based plated layer, and a chemical conversion treatment layer that contains Si, C, O and P, and has a C concentration of 20.0 mass % or more, an O concentration of 15.0 mass % or more, a Si concentration of 10.0 mass % or more, and a P concentration of 0.10 mass % or more. When t is a thickness of the chemical conversion treatment layer, an area from a surface to a position of t/10 from the surface is a surface layer region, an area from the position of 9t/10 from the surface to an interface between the treatment layer and the plated layer is an interface side region, and a region sandwiched therebetween is an intermediate region. A maximum value of a P concentration of the surface layer region is 1.5 times to 5.0 times the average P concentration of an intermediate region.

Disclosed are surface-treated copper foils having at least one treated surface that exhibit high conductivity and a set of surface properties. Also provided are flexible copper-clad laminates and printed circuits made therefrom. The present printed circuits exhibit low insertion loss and are suitable for use in high speed/high frequency applications.

Disclosed are surface-treated copper foils having at least one treated surface that exhibit high conductivity and a set of surface properties. Also provided are flexible copper-clad laminates and printed circuits made therefrom. The present printed circuits exhibit low insertion loss and are suitable for use in high speed/high frequency applications.