A composition and a coating structure applying with the same are provided. The composition includes 3 wt % to less than 15 wt % of Al, 10 wt % to less than 30 wt % of Cr, higher than 0 wt % to 15 wt % of O, higher than 0 wt % to 15 wt % of Y, and the remainder being at least one of Co or Ni.

The present application provides Calcia-Magnesia-Alumina-Silica (CMAS) (or molten silicate) resistant thermal barrier coatings (TBC). The coatings include elongate growth domains of non-equiaxed, randomly arranged overlapping grains or splats. The elongate growth domains include overlapping individual, randomly distributed splats of tough and soft phases. In some embodiments, the elongate growth domains are formed via air plasma spray. In some embodiments, the tough phases are at least partially stabilized zirconia and/or hafnia compositions, and the soft phases are CMAS (or molten silicate) reactive or resistant compositions. Within each elongate growth domain, the mixture of the tough and soft phases act together to limit penetration of CMAS and also provide sufficient domain toughness to minimize cracking forces produced during crystallization of infiltrated CMAS. The soft phases may react with the CMAS and increase its melting point, increase its viscosity, and reduce the destabilization of the tough phases.

Engine blocks and methods of forming engine blocks are disclosed. The engine block may include a cast aluminum body and a plurality of cast-in liners. Each cast-in liner may include (a) an outer layer of 2xxx-series aluminum molecularly bonded to the cast aluminum body and (b) an inner layer directly contacting the outer layer and forming at least a portion of an engine bore. The inner layer may be a wear-resistant coating, such as a steel coating. The method may include extruding an elongated 2xxx-series aluminum extrusion having an inner cavity bounded by an inner surface and applying a wear-resistant coating to the inner surface. The extrusion may be sectioned into a plurality of cylinder liners and the cylinder liners may be into an aluminum engine block such that each cast-in liner forms at least a portion of an inner surface of an engine bore in the engine block.

Engine blocks and methods of forming engine blocks are disclosed. The engine block may include a cast aluminum body and a plurality of cast-in liners. Each cast-in liner may include (a) an outer layer of 2xxx-series aluminum molecularly bonded to the cast aluminum body and (b) an inner layer directly contacting the outer layer and forming at least a portion of an engine bore. The inner layer may be a wear-resistant coating, such as a steel coating. The method may include extruding an elongated 2xxx-series aluminum extrusion having an inner cavity bounded by an inner surface and applying a wear-resistant coating to the inner surface. The extrusion may be sectioned into a plurality of cylinder liners and the cylinder liners may be into an aluminum engine block such that each cast-in liner forms at least a portion of an inner surface of an engine bore in the engine block.

Device for spray coating embraces a wire arc spray head that includes arc-making contact points and a carrier gas outlet, which is configured to swivel with feed wire in a pivoting motion. The device can be operated to spray coat a work piece.

Device for spray coating embraces a wire arc spray head that includes arc-making contact points and a carrier gas outlet, which is configured to swivel with feed wire in a pivoting motion. The device can be operated to spray coat a work piece.

A composition, method for depositing the composition on a downhole component, and a downhole tool. The composition includes about 0.25 wt % to about 1.25 wt % of carbon, about 1.0 wt % to about 3.5 wt % of manganese, about 0.1 wt % to about 1.4 wt % of silicon, about 1.0 wt % to about 3.0 wt % of nickel, about 0.0 to about 2.0 wt % of molybdenum, about 0.7 wt % to about 2.5 wt % of aluminum, about 1.0 wt % to about 2.7 wt % of vanadium, about 1.5 wt % to about 3.0 wt % of titanium, about 0.0 wt % to about 6.0 wt % of niobium, about 3.5 wt % to about 5.5 wt % of boron, about 0.0 wt % to about 10.0 wt % tungsten, and a balance of iron.

A component for a semiconductor processing chamber includes a ceramic body having at least one surface with a first average surface roughness of approximately 8-16 micro-inches. The component further includes a conformal protective layer on at least one surface of the ceramic body, wherein the conformal protective layer is a plasma resistant rare earth oxide film having a substantially uniform thickness of less than 300 m over the at least one surface and having a second average surface roughness of below 10 micro-inches, wherein the second average surface roughness is less than the first average surface roughness.

A component for a semiconductor processing chamber includes a ceramic body having at least one surface with a first average surface roughness of approximately 8-16 micro-inches. The component further includes a conformal protective layer on at least one surface of the ceramic body, wherein the conformal protective layer is a plasma resistant rare earth oxide film having a substantially uniform thickness of less than 300 m over the at least one surface and having a second average surface roughness of below 10 micro-inches, wherein the second average surface roughness is less than the first average surface roughness.

A web transport system for transporting a web of media along a web transport path in an in-track direction, including a liquid application system for applying a liquid to at least one surface of the web of media. An air skive is positioned along the web transport path downstream of the liquid application system, wherein the air skive directs one or more streams of air onto the web of media thereby removing at least some of the liquid that is being carried along with the web of media. A vapor source adds a vapor into the one or more streams of air provided by the air skive before the one or more streams of air are directed onto the web of media.