C23C28/345

Molten Al—Si alloy corrosion resistant composite coating and preparation method and application thereof

The invention provides a molten Al—Si alloy corrosion resistant composite coating and a preparation method and application thereof. The composite coating layer comprises an aluminized layer and a TiO.sub.2 film layer from a surface of a substrate to the outside in sequence. The preparation method of the coating layer comprises the following steps: (step S1) making a surface treatment to an Fe-based alloy, and then aluminizing with a solid powder penetrant; (step S2) sand-blasting the aluminized Fe-based alloy; (step S3) washing and drying the Fe-based alloy which has been sand-blasted; and (step S4) depositing the TiO.sub.2 film layer on a surface of the dried aluminized Fe-based alloy by using an atom layer vapor deposition. The application of the molten Al—Si alloy corrosion resistant composite coating is used for a solar thermal power generation heat exchange tube.

HOT PRESSED MEMBER AND METHOD OF PRODUCING SAME, AND COATED STEEL SHEET FOR HOT PRESS FORMING

A hot pressed member disclosed herein includes: a base steel sheet; a Fe—Zn—Al—Mg-based alloy coated layer containing an α-Fe phase and a Γ phase and formed on at least one surface of the base steel sheet; and an oxide layer containing Zn, Al, and Mg and formed on the Fe—Zn—Al—Mg-based alloy coated layer, in which a ratio of I.sub.Γ/I.sub.α is 0.5 or less when measured by X-ray diffraction using a Co-Kα (wavelength: 1.79021 Å) radiation source at an incident angle of 25°, where IF is an intensity of a diffraction peak of (411) plane of the Γ phase present in an angular range of 41.5°≤2θ≤43.0° and I.sub.α is an intensity of a diffraction peak of (110) plane of the α-Fe phase present in an angular range of 51.0°≤2θ≤52.0°, and a sum of Al and Mg concentrations in the oxide layer is 28 atomic % or more.

EUTECTIC CERAMIC THERMAL BARRIER MATERIAL AND PREPARATION METHOD THEREOF

The disclosure provides a eutectic ceramic thermal barrier material and a preparation method thereof, which relates to the field of composite materials. The present disclosure provides a eutectic ceramic thermal barrier material comprising a nickel-based superalloy substrate, an intermediate binding layer and a eutectic ceramic cladding layer stacked sequentially; the intermediate binding layer comprises a NiCoCrAlY binding layer; the eutectic ceramic cladding layer comprises an Al.sub.2O.sub.3/GdAlO.sub.3 binary eutectic ceramic coating or an Al.sub.2O.sub.3/GdAlO.sub.3/ZrO.sub.2 ternary eutectic ceramic coating. The eutectic ceramic thermal barrier material provided by the present disclosure has good high temperature resistance, good oxidation resistance and excellent mechanical properties.

COLD SPRAY METALLIC COATING AND METHODS
20230086889 · 2023-03-23 · ·

The present disclosure relates to a cold spray metal process for imparting EMI resistance or lightning protection to the surface of a polymer, and a polymer with surface EMI resistance, or lightning protection, articles coated therefrom, and methods of reducing or eliminating electrochemical interactions between the metallic coating and components of the polymer.

METHOD FOR CONDITIONING SEMICONDUCTOR PROCESSING CHAMBER COMPONENTS

A method for making a component for use in a semiconductor processing chamber is provided. A component body is formed from a conductive material having a coefficient of thermal expansion of less than 10.0×10.sup.−6/K. A metal oxide layer is then disposed over a surface of the component body.

ELECTRONIC DEVICE HOUSINGS WITH ELECTROLESS PLATING LAYERS

In one example, an electronic device housing may include a substrate, a micro-arc oxidation layer formed on a surface of the substrate, and an electroless plating layer formed on the micro-arc oxidation layer. Example electroless plating layer may be one of an electroless tin plating layer and an electroless silver plating layer. Further, the electronic device housing may include an electrophoretic deposition layer formed on the electroless plating layer.

Laminated magnetic inductor stack with high frequency peak quality factor

Embodiments are directed to a method of forming a magnetic stack arrangement of a laminated magnetic inductor having a high frequency peak quality factor (Q). A first magnetic stack is formed having one or more magnetic layers alternating with one or more insulating layers in a first inner region of a laminated magnetic inductor. A second magnetic stack is formed opposite a surface of the first magnetic stack in an outer region of the laminated magnetic inductor. A third magnetic stack is formed opposite a surface of the second magnetic stack in a second inner region of the laminated magnetic inductor. The insulating layers are formed such that a thickness of an insulating layer in the second magnetic stack is greater than a thickness of an insulating layer in the first magnetic stack.

Corrosion- and erosion-resistant coating for turbine blades of gas turbines

A component of a turbine, in particular a gas turbine, wherein the component has a coating for increasing the erosion and corrosion resistance, wherein the coating is preferably applied directly to the component, wherein the coating consists of a functional layer and an intermediate layer, wherein the intermediate layer is arranged between the turbine blade substrate and the functional layer and wherein the functional layer consists of the elements Al, Cr, O and N.

STEEL SHEET FOR HOT STAMPING

This steel sheet for hot stamping includes a base material, an Al—Si alloy plating layer in which the Al content is 75 mass % or more, the Si content is 3 mass % or more and the total of the Al content and the Si content is 95 mass % or more, an Al oxide coating having a thickness of 0 to 20 nm and a Ni plating layer in which the Ni content is more than 90 mass % in this order, the base material has a predetermined chemical composition, the Al—Si alloy plating layer has a thickness of 7 to 148 μm, and the Ni plating layer has a thickness of more than 200 nm and 2500 nm or less.

Method for Producing a Semi-Transparent Motor-Vehicle Design Element
20220333755 · 2022-10-20 ·

The invention relates to a method for producing a semi-transparent motor vehicle design element (3), comprising the following steps:

A providing a dimensionally stable, at least partially light-permeable substrate (1) which is heat-resistant for a temperature of at least 60° C., the substrate (1) having a front side (1a) and a rear side (1b),

B introducing the substrate (1) into a vacuum chamber (2) and applying a first metallic semi-transparent layer (L1) by means of a PVD process to the substrate (1) according to step a) which is situated in the vacuum chamber (2), and

C applying a light-impermeable cover layer (LD) to the front or rear side (1a, 1b) of the substrate (1), the light-impermeable cover layer (LD) containing at least one light-permeable opening (8) for reproducing at least one graphical symbol (SYM),

steps B and C being carried out such that light (LSQ) passing through the at least one opening (8) in the light-impermeable cover layer (LD) from the rear side (1b) towards the front side (1a) of the substrate (1) is incident on the first metallic semi-transparent layer (L1) and at least partially passes outwards through the first metallic semi-transparent layer (L1) in order to project the at least one graphical symbol (SYM) represented by the at least one opening (8).