A coated steel substrate has a steel substrate having a surface. A coating layer is atop the surface. The coating layer includes: aluminum activated by indium; and a ceramic binder. The coating also may comprise of multiple layers with different properties to facilitate the galvanic protection capability.

A method for manufacturing a planet gear or a sun gear of a gearbox of a wind turbine includes forming a base of the planet gear via at least one of casting or forging. The base of the planet gear includes an inner circumferential surface and an outer circumferential surface. Therefore, at least one of the inner circumferential surface or the outer circumferential surface of the planet gear includes a plurality of net or near-net gear teeth. The method also includes applying a coating material to at least a portion of the base of the gear and at least a portion of the plurality of gear teeth of the gear via an additive manufacturing process so as to increase a hardness of the portions of the base and the plurality of gear teeth that includes the coating material.

A method for constructing an abradable coating comprises: a slurry layer formation step S2 in which a slurry layer 31 is formed on the surface of a base material 30 using a slurry containing ceramic particles and a solvent; a calcination step S3 in which the slurry layer 31 formed on the surface of the base material 30 is sintered and a sintered layer 35 to be a portion of an abradable coating layer 22 is formed; and a slurry removal step S5 in which extraneous slurry is removed after the abradable coating layer 22 has been formed on the surface of the base material 30, a plurality of the sintered layers 35 having been laminated in the abradable coating layer 22 through a plurality of repeated cycles of the slurry layer formation step S2 and the calcination step S3.

Provided are a refractory article, an anti-redox coating composition, and a method of manufacturing the refractory article. The refractory article includes: a platinum (Pt)-based substrate; and a coating layer for preventing a redox reaction on a surface of the Pt-based substrate, wherein the coating layer for preventing a redox reaction includes on an oxide basis SiO.sub.2 in an amount of about 40 wt % to about 70 wt %, Al.sub.2O.sub.3 in an amount of about 20 wt % to about 52 wt %, B.sub.2O.sub.3 in an amount of about 3 wt % to about 6 wt %; and CaO in an amount of about 2.4 wt % to about 4.8 wt %.

A method for protecting a coating on a surface of a component is provided. The method includes a coating step for coating at least a portion of the component with a ceramic slurry. A projecting step is used for projecting a pattern of light onto the component with a lithographic process to expose and solidify a ceramic layer. A removing step is used for removing unexposed portions of the ceramic slurry from the component. A heating step heats the component to sinter the ceramic layer. The ceramic layer is formed with multiple fracture planes.

An exhaust component for a motor vehicle includes a wall, an internal volume, an inlet, and an outlet. The wall includes a core layer having a surface and a first layer disposed on a portion of the surface. The portion is less than 100 percent of an area of the surface. The core layer has a first composition. The first layer is a cold-sprayed layer. The core layer has a second composition different from the first composition. The first layer reduces surface-radiated noise from the exhaust component during operation of the motor vehicle. The internal volume is at least partially defined by the wall. The inlet is in fluid communication with the internal volume. The outlet is in fluid communication with the internal volume.

In an aspect, a method of forming a coating on a busbar comprises cold spraying a powder comprising a plurality of metal particles onto the busbar at a velocity sufficiently high to cause the plurality of metal particles to deform upon contact with the busbar thereby forming the coating on the busbar; wherein the plurality of metal particles comprises greater than or equal to 50 weight percent of at least one of nickel, tin, silver, zinc, or copper based on the total weight of the metal particles; and wherein the coating has an average thickness of greater than or equal to 10 micrometers. In another aspect, a coated busbar is formed by cold spraying.

Provided are (i) a solder connection structure having improved solder wettability and including an aluminum base material and (ii) a film forming method for forming, on the aluminum base material, a metal film having high solder wettability. A solder connection structure (50) includes (i) an aluminum substrate (30), (ii) an Ni film (35) formed on the aluminum substrate by a cold spray method, and (iii) a mixed metal film (40) provided on the Ni film, the mixed metal film (40) being formed by the cold spray method with use of a mixed powder material, the mixed powder material being a mixture of Ni powder (41) and Sn powder (42).

The present invention belongs to the field of multi-material additive manufacturing (AM), and in particular discloses a forming system and method of hybrid AM and surface coating. The hybrid forming system includes an additive forming device, a laser-assisted cold spraying (LACS) device and a workbench. The additive forming device and the LACS device are located above the workbench. During manufacturing, the additive forming device forms a part to be formed on the workbench layer by layer, and the LACS device performs coating peening treatment on inner and outer surfaces of the part to be formed during the forming process, thereby jointly completing the composite manufacturing of the part to be formed. The present invention makes full use of the rapid prototyping advantage of the short-flow AM process, and integrates the surface coating peening process into the hybrid forming system.

An insulating coating-attached electrical steel sheet has, on at least one surface, an insulating coating including an insulating tensile coating layer A. A tension applied to the steel sheet by an insulating tensile coating layer having a coating weight of M/2 from a surface of the insulating tensile coating layer A is 0.80.sub.A or more, where M is a weight of the insulating tensile coating layer A, and .sub.A is the tension applied to the steel sheet by the insulating tensile coating layer A. The insulating coating-attached electrical steel sheet has excellent adhesion of the insulating coating. A method for manufacturing the insulating coating-attached electrical steel sheet is also provided.