An abrasive coating for a substrate including a metallic based bond coat layer; a top layer; and an intermediate layer between the metallic based bond coat layer and the top layer. A method of applying an abrasive coating including applying a metallic based bond coat layer onto a substrate; grading an intermediate layer into the metallic based bond coat layer to form a graded transition between the metallic based bond coat layer and the intermediate layer; and grading a top layer into the intermediate layer to form a graded transition between the intermediate layer and the top layer.

A system and method are disclosed. The system includes an assembly with a base, and a coating disposed on the base, wherein the coating has a density greater than 98 percent of a theoretical density of the coating, and a dilution less than 0.5 volume percent of the coating. In an embodiment, the assembly includes a shaft and a journal bearing coupled to the shaft, wherein at least one of the shaft and the journal bearing includes the base. In another embodiment, the assembly includes a valve coupled to a valve seat, wherein at least one of the valve and the valve seat includes the base, and the base includes a plurality of dimples, the coating disposed on at least some dimples. The method is for disposing a coating on a base of the assembly using a friction surface process.

A method for producing a thermal barrier in a multilayered system for protecting a metal part made of superalloy, by producing a thermal treatment by flash sintering protection materials in layers superposed on the metal part in an SPS machine enclosure. The layers contain, on a superalloy substrate, at least two layers of zirconium-based refractory ceramics. A metal part is produced according to a SPS flash sintering method and contains a superalloy substrate, a metal sub-layer, a TGO oxide layer and the thermal barrier formed by the method. A first ceramic is an inner ceramic designed to have a substantially higher expansion coefficient. An outer ceramic is designed to have at least lower thermal conductivity, and at least one of a sintering temperature or maximum operating temperature that is substantially higher. The thermal barrier has a composition and porosity gradient from the metal sub-layer to the outer ceramic.

In an intermediate layer formed between a base material and a DLC layer, a Ti layer and a TiC layer formed on a surface of the Ti layer are provided, and a carbon content of the entire layer containing the Ti layer and the TiC layer is 53 at % or more and 77 at % or less.

A superalloy target wherein the superalloy target has a polycrystalline structure of random grain orientation, the average grain size in the structure is smaller than 20 ?m, and the porosity in the structure is smaller than 10%. Furthermore, the invention includes a method of producing a superalloy target by powder metallurgical production, wherein the powder-metallurgical production starts from alloyed powder (s) of a superalloy and includes the step of spark plasma sintering (SPS) of the alloyed powder (s).

The invention relates to a coated body and to a method for coating a body. The coated body comprises at least a substrate (22), a diamond layer (24) having a thickness of 1-40 ?m, and a hard material layer (26), which is arranged farther outside on the body (10) than the diamond layer (24). The hard material layer (26) comprises at least one metal element and at least one non-metal element. An adhesive layer (32) having a thickness of 2-80 nm is provided between the diamond layer (24) and the hard material layer (26). The adhesive layer (32) contains carbon and at least one metal element. The diamond layer (24) can be applied by means of a CVD method. The hard material layer can be applied by means of a PVD method. The adhesive layer (32) between the diamond layer (24) and the hard material layer (26) can be produced in that, before the hard material layer (26) is applied, the surface of the diamond layer (24) is pretreated by means of HIPIMS metal ion etching, wherein ions are implanted into or diffuse into the surface of the diamond layer (24) by means of metal ion etching.

The disclosed technology generally relates to semiconductor structures and their fabrication, and more particularly to diffusion barrier structures containing Ti, Si, N and methods of forming same. A method of forming an electrically conductive diffusion barrier comprises providing a substrate in a reaction chamber and forming a titanium silicide (TiSi) region on the substrate by alternatingly exposing the substrate to a titanium-containing precursor and a first silicon-containing precursor. The method additionally comprises forming a titanium silicon nitride (TiSiN) region on the TiSi region by alternatingly exposing the substrate to a titanium-containing precursor, a nitrogen-containing precursor and a second silicon-containing precursor. The method can optionally include, prior to forming the TiSi region, forming a titanium nitride (TiN) region by alternatingly exposing the substrate to a titanium-containing precursor and a nitrogen-containing precursor.

A thermally dissipative article and a method of forming a thermally dissipative article are disclosed. The thermally dissipative article includes a component, a porous material formed in a layer on the component. The method of forming a thermally dissipative article includes providing a metal powder mixture and a soluble particulate mixture which forms a porous coating upon sintering and immersion in a solvent to remove the soluble particulate.

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 coating system disposed on a surface of a substrate is provided. The coating system may include a bond coating layer on the surface of the substrate, a dense TBC layer on the bond coating layer, and a columnar TBC layer on the dense TBC layer, with the columnar TBC layer defines a plurality of elongated surface-connected voids. The dense TBC layer generally includes a ceramic material and has a porosity of about 15% or less. A method is also provided for forming a coating system on a surface of a substrate.