Abstract: An example article according to the present disclosure includes, among other possible things, a metallic substrate, and a bond coat on the metallic substrate. The bond coat includes a matrix phase, gettering particles in the matrix phase, wherein the gettering particles are reactive with oxidants, and a dispersion of matrix modifier particles in the matrix phase. The example article also includes a diffusion barrier between the bond coat and the metallic substrate, wherein the diffusion barrier is configured to inhibit diffusion of components from the bond coat into the metallic substrate. An example composite material and method of applying a barrier to a substrate are also disclosed.

Abstract: The present disclosure provides a display substrate, a manufacturing method thereof, and a display device, and relates to the field of display technology. The display substrate includes a display region and a wiring region surrounding the display region. The wiring region includes: a gate line layer including a plurality of signal lines parallel to each other; an insulation layer covering the gate line layer, a groove being formed in the insulation layer at a position corresponding to a gap between adjacent signal lines; a planarization layer at a side of the insulation layer away from the gate line layer; and an active pattern layer at a side of the planarization layer away from the gate line layer.

Abstract: Provided are a display panel and a display device. The display panel includes: a via hole penetrating through the display panel; a cutting residual area on the periphery of the via hole and includes a base substrate, and a packaging layer; and at least one annular relief structure between the packaging layer and the base substrate in the cutting residual area. The at least one annular relief structure is sequentially distributed around the via hole. The relief structure includes: a first titanium metal layer, an aluminum metal layer and a second titanium metal layer which are sequentially arranged in a stacked mode.

Abstract: A method of applying a coating to a substrate includes forming a slurry by mixing elemental precursors of gettering particles, diffusive particles, matrix material, and a carrier fluid; applying the slurry to a substrate; and sintering the slurry to form a composite material. The sintering causes the elemental precursors to react with one another to form gettering particles. An article is also disclosed.

Abstract: An article includes a ceramic-based substrate and a barrier layer on the ceramic-based substrate. The barrier layer includes a matrix phase and gettering particles in the matrix phase. The gettering particles with an aspect ratio greater than one are aligned such that a maximum dimension of the gettering particles extends along an axis that is generally parallel to the substrate. The barrier layer includes a dispersion of diffusive particles in the matrix phase. A composite material and a method of applying a barrier layer to a substrate are also disclosed.

Abstract: An article includes a ceramic-based substrate and a barrier layer on the ceramic-based substrate. The barrier layer includes a matrix of barium-magnesium alumino-silicate or SiO2, a dispersion of silicon oxycarbide particles in the matrix, and a dispersion of particles, of the other of barium-magnesium alumino-silicate or SiO2, in the matrix.

Abstract: A coated article including an article having a surface; an oxidation resistant bond coat layer deposited on the surface, the oxidation resistant bond coat layer comprising a healing silica matrix and at least one oxygen scavenger forming a metal silicide network dispersed within the healing silica matrix; and a top coat layer disposed upon the oxidation resistant bond coat layer, whereby the oxidation resistant bond coat layer is operable to seal a crack in the top coat layer.

Abstract: An article includes a substrate, a barrier layer disposed on the substrate, and an oxide-based ceramic material topcoat disposed on the barrier layer. The topcoat includes at least one crack. The article also includes a filler layer disposed on the topcoat and in the at least one crack. A method of applying a coating to an article and an article are also disclosed.

Abstract: An article includes a substrate and a barrier layer on the substrate. The barrier layer includes a matrix, diffusive particles dispersed in the matrix, and gettering particles dispersed in the matrix. The gettering particles include at least one alloyed metal silicide. A composite material and a method of fabricating an article are also disclosed.

Abstract: A method for forming an oxidation protection system on a carbon-carbon composite structure can comprise applying a boron slurry to the carbon-carbon composite structure, wherein the boron slurry comprises a boron compound, a first glass mixture, a first glass former, a first glass modifier, and a first carrier fluid, the first glass mixture including a first glass compound and a second glass compound, the first glass compound having a first viscosity-temperature profile that is at least one order of magnitude below a second viscosity-temperature profile of the second glass compound; applying a silicon slurry to the carbon-carbon composite structure, wherein the silicon slurry comprises a silicon compound, a third glass compound, a second glass former, a second glass modifier, and a second carrier fluid; and heating the carbon-carbon composite structure.

Abstract: An article according to an exemplary embodiment of this disclosure includes a substrate and a bond coat disposed on the substrate. The bond coat includes a matrix. The matrix includes regions of ?-cristobalite. The article also includes a plurality of gettering particles disposed in the matrix, a plurality of diffusive particles disposed in the matrix, and an additive operable to stabilize the regions of ?-cristobalite at ambient temperatures dispersed in the matrix. An article and a method of coating an article are also disclosed.

Abstract: A method for forming an oxidation protection system on a carbon-carbon composite structure comprises applying a boron slurry to the carbon-carbon composite structure, wherein the boron slurry comprises a boron composition, a first glass compound, a first glass former, a first glass modifier, and a first carrier fluid, the boron composition including a first metal boride, applying a silicon slurry to the carbon-carbon composite structure, wherein the silicon slurry comprises a silicon compound, a glass compound, a second glass former, a second glass modifier, an oxygen inhibitor, and a second carrier fluid; and heating the carbon-carbon composite structure.

Abstract: An article includes a silicon oxycarbide-based layer that has Si, O, and C in a covalently bonded network. The silicon oxycarbide-based layer has first and second opposed surfaces. A calcium-magnesium alumino-silicate-based layer is interfaced with the first surface of the silicon oxycarbide-based layer.

Abstract: An environmental barrier coating includes a barrier layer which includes a matrix, diffusive particles, and gettering particles; and a calcium-magnesia alumina-silicate (CMAS)-resistant component. The CMAS-resistant component includes hafnium silicate and a rare earth hafnate. An article and a method of fabricating an article are also disclosed.

Abstract: An environmental barrier coating includes a barrier layer which includes a matrix, diffusive particles, and gettering particles; and a calcium-magnesia alumina-silicate (CMAS)-resistant component. The CMAS-resistant component includes hafnium silicate and a rare earth hafnate. An article and a method of fabricating an article are also disclosed.

Abstract: A method for coating a substrate includes spraying a combination of powders. The combination of powders includes: Hf0.5Si0.5O2; Zr0.5Si0.5O2; and, optionally, at least one of HfO2 and ZrO2. A molar ratio of said Hf0.5Si0.5O2 and HfO2 combined to said Zr0.5Si0.5O2 and ZrO2 combined is from 2:1 to 4:1. A molar ratio of said Hf0.5Si0.5O2 to said HfO2 is at least 1:3.

Abstract: An article includes a substrate and a bond coat disposed on the substrate. The bond coat includes a matrix, a plurality of gettering particles disposed in the matrix, a plurality of diffusive particles disposed in the matrix, a radiation-absorbing component disposed in the matrix, wherein the radiation-absorbing component is concentrated at an outer surface of the bond coat. An article and a method of protecting an article are also disclosed.

Abstract: A barrier layer for an article according to an exemplary embodiment of this disclosure, among other possible things includes a bond coat comprising a matrix, diffusive particles disposed in the matrix, and gettering particles disposed in the matrix. The composition of the gettering particles is a reaction product of the chemical reaction of Equation 1 defined by Equation 2: Si w ? O x ? C y ? N z + ? ? O 2 = w ? Si ? O 2 + y ? CO + z 2 ? N 2 Equation ? 1 ? = 2 ? w + y - x 2 Equation ? 2 A barrier layer is also disclosed.

Abstract: An environmental barrier coating, comprising a substrate containing silicon; an environmental barrier layer applied to said substrate; said environmental barrier layer comprising a rare earth composition.

Abstract: A method for coating a substrate includes spraying a combination of powders. The combination of powders includes: Hf0.5Si0.5O2; Zr0.5Si0.5O2; and, optionally, at least one of HfO2 and ZrO2. A molar ratio of said Hf0.5Si0.5O2 and HfO2 combined to said Zr0.5Si0.5O2 and ZrO2 combined is from 2:1 to 4:1. A molar ratio of said Hf0.5Si0.5O2 to said HfO2 is at least 1:3.