Abstract: The present invention relates to an electrode composed of carbon having at least two different zones, wherein an outer zone (A) forms the base of the electrode and carries one or more inner zones, wherein the innermost zone (B) projects from the zone (A) at the top and has a lower specific thermal conductivity than zone (A).

Abstract: A glass sheet is formed using a roll-to-roll glass soot deposition and sintering process. The glass sheet formation involves forming a first glass soot layer on a deposition surface of a soot-receiving device, removing the first glass soot layer from the deposition surface, and forming a second glass soot layer on the unsupported first glass soot layer. The resulting composite glass soot sheet is heated to form a sintered glass sheet. The glass sheet can be a substantially homogeneous glass sheet or a composite glass sheet having layer-specific attributes.

Abstract: Methods of making components having calcium magnesium aluminosilicate (CMAS) mitigation capability including providing a component; applying an environmental barrier coating to the component, the environmental barrier coating having a separate CMAS mitigation layer including a CMAS mitigation composition selected from the group consisting of zinc aluminate spinel, alkaline earth zirconates, alkaline earth hafnates, rare earth gallates, beryl, and combinations thereof.

Abstract: A wafer has a rare earth oxide layer disposed, typically sprayed, on a substrate. It is useful as a dummy wafer in a plasma etching or deposition system.

Abstract: Embodiments of the invention provide a thermal spray method of forming a protective and porous coating over desired surfaces. Further, embodiments provide a thermal arc spray method, such as twin wire arc spray, to coat the surfaces. The invention may refer to using Aluminium and Silicon alloy in a twin wire arc spray method, to create sacrificial and protective coatings on the surfaces, such as substrates and machine parts. Machine parts may be, for example, of sputtering system. The method may utilize a predefined range of Silicon to be alloyed with Aluminium to improve the physical properties of the Aluminium, and further avoid damages to the coated surface, such as de-lamination and flaking of the coatings and coated surfaces. Additionally, generation of defects during a sputtering process may be efficiently reduced.

Abstract: A method of processing a composite article includes controlling a preheat temperature of a workpiece to be less than 700° C./1292° F. The workpiece includes a substrate and a bond coat that is disposed on the substrate. With the workpiece at the preheat temperature, deposition of a barrier layer onto the bond coat is commenced. The barrier layer includes a rare earth silicate material having a rare earth element selected from lanthanide series elements, yttrium, scandium and combinations thereof.

Abstract: The present invention provides a process for applying a coating on a heat exchanger or a temperature controlled adsorber surface. This coating comprises a zeolite, an organic solvent, an organic siloxane resin that constitutes a binder and a plasticizing agent.

Abstract: An electrode for a lithium secondary battery including a sheet-like current collector and an active material layer carried on the current collector. The active material layer is capable of absorbing and desorbing lithium, and the active material layer includes a plurality of columnar particles having at least one bend. An angle ?1 formed by a growth direction of the columnar particles from a bottom to a first bend of the columnar particles, and a direction normal to the current collector is preferably 10° or more and less than 90°. When ?n+1 is an angle formed by a growth direction of the columnar particles from an n-th bend counted from a bottom of the columnar particles to an (n+1)-th bend, and the direction normal to the current collector, and n is an integer of 1 or more, ?n+1 is preferably 0° or more and less than 90°.

Abstract: A device having a quartz or glass body forming a chamber hermetically sealed by one or more pinch seals formed in the body wherein a metallic foil provides an electrical connection through a pinch seal. A method is provided for protecting a portion of the metallic foil from corrosion prior to forming the pinch seal by coating at least a portion of the foil with a film comprising silica, and applying a refractory abhesive to at least a portion of the film.

Abstract: A method for forming a ceramic containing composite structure is proposed comprising the steps of (a) feeding a ceramic component that sublimes and a metallic or semi-conductor material that does not sublime into a thermal spray apparatus, (b) spraying the ceramic component and the metallic or semi-conductor material onto a substrate, whereby the ceramic component and the metallic or semi-conductor material deposit on the surface of the substrate, and (c) keeping the metallic or semi-conductor material on the substrate surface plastic during spraying at least in the region where the metallic or semi-conductor material actually strikes the surface.

Abstract: According to at least one aspect of the present invention, a method is provided for forming a polymerized coating on a surface of a substrate. In at least one embodiment, the method comprises providing a plasma gun having an outlet; introducing a pre-polymer molecule into the outlet of the plasma gun to form a number of fragments of the pre-polymer molecule as a plasma output including a direct-spray component and an over-spray component; at least partially isolating the direct-spray component and the over-spray component from each other to respectively obtain an isolated directed-spray component and an isolated over-spray component; and depositing at least a portion of the isolated direct-spray component and the isolated over-spray component onto the surface of the substrate through the outlet to form a base polymerized coating. The plasma gun is optionally operated at atmospheric pressure.

Abstract: A method and apparatus for making an optical fiber preform, including injecting a plasma gas source into the first end of a tubular member; generating a ring plasma flame with the plasma gas source flowing through a plasma gas feeder nozzle, the plasma gas feeder nozzle including: an inner tube, an outer tube, wherein the plasma gas source is injected between the inner tube and the outer tube to produce the ring plasma flame, such that at least a portion of the ring plasma flame is directed radially toward the inner surface of the tubular member; traversing the tubular member along the longitudinal axis relative to the plasma flame; depositing at least one soot layer on the interior surface of the tubular member by introducing reagent chemicals into the plasma flame; and fusing all of the soot layers into a glass material on the interior surface of the tubular member.

Abstract: For providing a magnetostrictive film that can exhibit high magnetostrictive properties in the vicinity of zero magnetic field and their manufacturing methods, a magnetostrictive film thermal sprayed on an object under test includes a metallic glass film subjected to thermal processing at a temperature lower than the glass transition temperature and not lower than the Curie point, and shows a linearity between the magnetic field and the magnetostriction in at least a part of the magnetic field from ?15 kA/m to +15 kA/m (both inclusive).

Abstract: An electromagnetic shielding article includes a plastic substrate, a silicon dioxide layer deposited on the plastic substrate, an electromagnetic shielding layer deposited on the plastic substrate, and a protection layer deposited on the electromagnetic shielding layer.

Abstract: A method of forming a hydrophobic silicon dioxide layer is provided. A substrate is provided. Thereafter, a hydrophobic silicon dioxide layer is formed on the substrate by using a plasma chemical vapor deposition (CVD) system, in which tetraethyl orthosilicate (TEOS) and an oxygen-containing gas are introduced at a reactive temperature between 25° C. and 150° C. A method of forming an organic thin film transistor (OTFT) including the hydrophobic silicon dioxide layer as a gate insulating layer is also provided. In the present invention, the hydrophobic silicon dioxide layer can be directly formed at low temperature without using the conventional surface modification treatment. Accordingly, the process is simplified and the cost is reduced.

Abstract: Methods for repairing barrier coatings involving providing a component having a barrier coating including at least one damaged portion, removing the damaged portion of the barrier coating leaving a void, applying a replacement tape cast barrier coating to the void of the component, and sintering the component having the replacement tape cast barrier coating layer.

Abstract: A thermal protection coating, in particular for a turbine-engine part (12), the coating being deposited by thermal spraying onto the surface of the part (12) and including at least 80% by volume of hollow ceramic microbeads distributed in a metal alloy based on nickel or cobalt, it being possible for the coating to be deposited on a bonding layer (22) of metal alloy and for it to be covered in a layer (26) providing protection against erosion or against friction wear, or in a reflective layer that reflects thermal radiation.

Abstract: A wafer has a rare earth oxide layer disposed, typically sprayed, on a substrate. It is useful as a dummy wafer in a plasma etching or deposition system.

Abstract: A method of smoothing the surface of a ceramic matrix composite material part that presents a surface that is undulating and rough. The method includes depositing a refractory vitreous coating on the surface of the part, the vitreous coating essentially containing silica, alumina, baryte, and lime.

Abstract: A method is disclosed for applying a vibration-damping surface to an article. The method includes providing a coating material comprising a ceramic, metallic or cermet material and a viscoelastic glass frit and plasma spraying the coating material onto an article. The coating material forms a plurality of ceramic, metallic or cermet microstructures having voids with the viscoelastic glass frit distributed to interact with the voids to provide vibration damping. Also disclosed are plasma spray coatings for damping vibrations that includes a ceramic-glass frit composite coating capable of reducing resonant vibrations in a substrate at temperatures between 700° F. to 1500° F. and said plasma spray coating as a coating on a substrate.

Abstract: A method of treating a substrate by applying a layer of at least one metal to the substrate to form an applied metal layer on the substrate and followed by curing of the applied metal layer at sub-atmospheric pressure to form a metal protective layer. A method of treating a substrate by applying a layer of at least one metal to a substrate of an unassembled component of a reactor system to form an applied metal layer on the substrate of the unassembled component and curing the applied metal layer on the substrate of the unassembled component to form a metal protective layer. A method of treating a substrate by applying a layer of at least one metal to the substrate to form an applied metal layer, curing the applied metal layer at a first temperature and pressure for a first period of time, and curing the applied metal layer at a second temperature and pressure for a second period of time, wherein the curing forms a metal protective layer.

Abstract: Disclosed herein is a method for applying plasma-resistant coatings for use in semiconductor processing apparatus. The coatings are applied over a substrate which typically comprises an aluminum alloy of the 2000 series or the 5000 through 7000 series. The coating typically comprises an oxide or a fluoride of Y, Sc, La, Ce, Eu, Dy, or the like, or yttrium-aluminum-garnet (YAG). The coating may further comprise about 20 volume % or less of Al2O3. The coatings are typically applied to a surface of an aluminum alloy substrate or an anodized aluminum alloy substrate using a technique selected from the group consisting of thermal/flame spraying, plasma spraying, sputtering, and chemical vapor deposition (CVD). To provide the desired corrosion resistance, it is necessary to place the coating in compression. This is accomplished by controlling deposition conditions during application of the coating.

Abstract: A solar cell with a doped buffer layer includes silicon and tin.

Abstract: A method for coating a fuel cell component is provided. The method includes the steps of providing a fuel cell component, and forming a coating on a surface of the fuel cell component with a plasma jet. The step of forming the coating may include applying a coating precursor to a surface of the fuel cell component and then reacting the coating precursor with the plasma jet to form the coating. The step of forming the coating may also include growing the coating on the surface of the fuel cell component by delivering the plasma jet containing the coating precursor.

Abstract: A ceramic matrix composite (CMC) component includes a hardenable material that can be machined to provide a desired dimension and surface finish.

Abstract: A process for applying an oxidation resistant coating to an article includes the steps of mixing at least about 10% by volume to up to about 99% by volume of a slurry at least one silica based material having a viscosity of about 1×102 poise to about 1×107 poise at a temperature of about 1,292° F. (700° C.) to about 3,272° F. (1,800° C.) at least about 1% by volume to up to about 90% by volume of the slurry at least one oxygen scavenger, and a liquid medium to form the slurry; coating an article with the slurry to form a slurry coated article; and heat treating under an inert atmosphere the slurry coated article to form an article having at least one oxidation resistant coating layer containing the at least one oxygen scavenger.

Abstract: The instant invention discloses a method of generating silicon powder aerosol to maintain cleanliness of the silicon powder during the feed process which utilizes an carrier gas, optionally, inert, and non-contaminating feed line to a plasma spray gun.

Abstract: A method of producing an integral self supporting coating test piece (16) from particulate material comprising the steps of (i) producing a reusable mould (10) having a depression (12) which conforms to the desired shape and volume of said coating test piece (16), the reusable mould (10) comprising silicone rubber, (ii) roughening the surface (14) of the reusable mould (10), (iii) heat treating the reusable mould (10), (iv) thermally spraying particulate material into the depression (12) in the reusable mould (10), and (v) removing the reusable mould (10) from the solidified coating test piece (16).

Abstract: The present invention relates to a cooking item comprising a vitreous coating with improved impact-resistance properties. The present invention also relates to a method for manufacturing such an item.

Abstract: A hard water-repellent structure and a method for fabricating the same are provided. The method adopts an atmospheric pressure plasma deposition (APPD) technique to form a hard coating having a rough surface on a substrate, and form a water-repellent coating on the rough surface. Because the hard water-repellent structure includes the hard coating and the water-repellent coating, hardness, abrasion-resistance, transparency and hydrophobicity of the hard water-repellent structure are improved. The hard water-repellent structure protects the substrate from friction. Moreover, because the disclosure adopts the APPD technique to form the hard water-repellent structure, the cost of production is reduced dramatically. Thus, the disclosure can solve drawbacks of prior art.

Abstract: A method of making a combustion turbine component includes thermal spraying a transient liquid phase (TLP) forming layer onto a combustion turbine component substrate and thermal spraying a main material layer onto the TLP forming layer. The combustion turbine component substrate, TLP forming layer, and main material layer are heat treated to thereby bond the main material layer to the combustion turbine component substrate.

Abstract: A spraying material for coating a metallic member, being inexpensive and having superior corrosion and erosion resistance even in high temperature environments, wherein the material is composed of an Fe—Si based compound and comprises an alloy composed of 10 to 35% by weight of Si and the remainder of Fe and inevitable impurities, and further, up to 5% by weight of B may be added to the material in terms of improvement in hardness and adhesiveness of the coating is provided in order to protect components such as heaters and water walls of coal fired boilers and heat exchanger tubes of fluidized bed boilers, etc., from corrosion and erosion. The spraying material is formed into a coating by, for example, high velocity flame spraying or atmospheric plasma spraying.

Abstract: A method for producing a silicon oxide including the steps of supplying silicon atoms onto a substrate through an oxygen atmosphere to form a silicon oxide layer on the substrate, and separating the silicon oxide layer from the substrate and pulverizing the separated silicon oxide layer to obtain silicon oxide containing silicon and oxygen in predetermined proportions, and a negative electrode active material obtained by the production method.

Abstract: Methods for producing a quartz glass component with reflector layer are known in which a reflector layer composed of quartz glass acting as a diffuse reflector is produced on at least part of the surface of a substrate body composed of quartz glass. In order, taking this as a departure point, to specify a method which enables cost-effective and reproducible production of uniform SiO2 reflector layers on quartz glass components, it is proposed according to the invention that the reflector layer is produced by thermal spraying by means of SiO2 particles being fed to an energy carrier, being incipiently melted or melted by means of said energy carrier and being deposited on the substrate body. In the case of a quartz glass component obtained according to the method, the SiO2 reflector layer is formed as a layer which is produced by thermal spraying and has an opaque effect and which is distinguished by freedom from cracks and uniformity.

Abstract: A bottle for culturing a test sample, e.g., blood, includes a plastic vessel made from a single layer of plastic material. The bottle features a glass barrier coating applied to the bottle, such as a silica or glass coating. An alternative embodiment features a single layer plastic bottle and a gas barrier adhesive label covering the cylindrical side wall of the bottle. Kits comprising two or more of such bottles and methods of manufacturing the bottles are also disclosed.

Abstract: The present invention provides methods for manufacturing an article having a wetting-resistant surface. The method includes providing a mixture comprising a plurality of micron-sized first particles and a plurality of nano-sized second particles, and a binder; depositing the mixture onto a substrate to form a wetting-resistant surface via a thermal spray process. The mixture is deposited without substantial melting of the first and second particles. The wetting-resistant surface has wettability sufficient to generate, with a reference fluid, a static contact angle of greater than about 90 degrees.

Abstract: There is provided a roller body made of steel, aluminium or carbon fibre reinforced plastic material, which, in printing units of wet offset machines, are in direct contact to the dampening form roller and which serve the formation of a stable ink-water-emulsion. There is further provided a method for producing such roller bodies. In conformity with the invention the roller body is provided with a porous coating of highly wear-resistant oxide ceramics or of wear-resistant hard metal, wherein pores that are open towards the circumferential surface of the roller body, are formed in the layer matrix of the coating preferably by applying the porous coating by a thermal spray process or an other coating process, and by subsequently grinding the coating to size to thereby open pores in the layer matrix. The surfaces produced in this manner preferably have a stable roughness of 1.0 ?m<Rz<500 ?m, in particular Rz=5 ?m to 25 ?m.

Abstract: A method of coating a substrate, the method including depositing mullite on the substrate during a first time period via thermal spraying to form a first layer, the mullite comprising mullite powder formed via at least one of a fused plus crush or sinter plus crush process; and depositing a second material on the first layer to form a second layer, wherein the substrate is at a temperature less than approximately 50 degrees Celsius at approximately a beginning of the first time period. In some embodiments, the method may further include depositing silicon to form a silicon bond layer between the substrate and mullite layer.

Abstract: A coated article has a metallic substrate. A coating layer comprises at least 33% by volume ceramic, at least 5% by volume of a lubricant selected from the group consisting of hexagonal boron nitride (hBN), clay, graphite, and mixtures thereof. The coating layer lacks a metal phase of more than 5% by volume.

Abstract: A high temperature component (2) has an intermediate layer (3) formed by a spraying on a surface in part thereof and comprised of an oxide ceramics set containing a glass, and an environment resistant coat (4) formed on a surface of the intermediate layer (3) and comprised of a coating material having a heat resistance and a water vapor wall-thinning resistance. The oxide ceramics set is a set of kinds of oxide ceramics adapted to be unchanged in crystalline phase, or isometric in cubic volume even when phase-changed, within a temperature range from a room temperature to 1,400 degrees C., the set of kinds of oxide ceramics having a coefficient of thermal expansion between a coefficient of thermal expansion of an SiC series ceramics matrix composite constituting the high temperature component (2) and a coefficient of thermal expansion of the coating material constituting the environment resistant coat (4).

Abstract: A plain bearing is provided which has an Sn-and-Si-rich layer formed of an Al alloy containing Sn and Si, and a base material which does not contain Sn. The Sn-and-Si-rich layer have the sliding surface having an area ratio of Sn phase grains in a range of 6 to 40% and that of Si phase grains in a range of 5 to 25%.

Abstract: A linear process tool comprising at least two deposition modules each comprising one or more plasma spray guns operable to move in a direction approximately orthogonal to the direction of a substrate carrier is configured to deposit at least a first and second layer, in direct contact with each other, wherein a first layer is of first composition and the second layer is of second composition different than the first composition.

Abstract: A process for providing a protective layer to an article. The process includes depositing a layer of material onto a surface of the article with a thermal spray process. Examples of thermal spray process include high velocity oxygen/air fuel, atmospheric plasma spray, and chemical vapor deposition. Coating methods, such as cold vapor deposition and physical vapor deposition, may also be used. The layer can then be bonded to the article by heating material in the layer adjacent its connection with the article.

Abstract: The present invention provides a process for producing a porous quartz glass base, which comprises hydrolyzing a silicon compound in an oxyhydrogen flame in a reaction furnace to generate and deposit fine silica particles on a starting member, thereby forming a porous quartz glass base, wherein a gas discharge pipe for discharging an unnecessary gas from the reaction furnace is heated. According to the present invention, fine silica particles can be prevented from adhering to a gas discharge pipe for discharging the unnecessary hydrogen chloride gas generated in producing a porous quartz glass base.

Abstract: A mechanical seal structure and a method for manufacture that employs at least one ceramic seal face prepared by a thermal spray process.

Abstract: Granules based on silicon dioxide and having the properties: Average grain size: 10 to 120 ?m BET surface area: 40 to 400 m2/g Pore volume: 0.5 to 2.5 ml/g Pore size distribution: less than 5% of the total pore volume exists of pores with a diameter < 5 nm, rest meso- and macropores pH value: 3.6 to 8.5 Tapped density: 220 to 700 g/l They are prepared by dispersing silicon dioxide in water, spray drying, optionally heating and/or silanizing. Whereas a pyrogenic silicon dioxide powder with a BET surface area of 30 to 90 m2/g, a DBP index of 80 or less, a mean aggregate area of less than 25000 nm2 and a mean aggregate circumference of less than 1000 nm, wherein at least 70% of the aggregates have a circumference of less than 1300 nm or a high-purity pyrogenically prepared silicon dioxide having metal contents of less than 0.

Abstract: A plasma system has at least one inductively coupled high-frequency plasma jet source having a burner body delimiting a plasma generating space, having an outlet orifice for the plasma jet, and a chamber communicating with the plasma jet source through the outlet orifice, having a substrate situated in the chamber, where it is exposed to the plasma jet. The substrate is situated on a substrate electrode to which an electric voltage may be applied. In addition, a method of producing a functional coating on the substrate using such a plasma system is also described. In a preferred embodiment, during operation of the plasma system, both the plasma jet and the electric voltage on the substrate electrode are pulsed and/or a pressure gradient is maintained between the interior of the plasma jet source and the interior of the chamber.

Abstract: A coated article includes an article having at least one surface and composed of a molybdenum based refractory metal alloy base substrate, a niobium based refractory metal alloy base substrate or a silicon base substrate. A bond coat layer is disposed upon the surface. The bond coat layer includes a molybdenum disilicide base compound and at least one of the following: silicon nitride, silicon carbide or tantalum oxide. A process for coating the article includes the steps of applying upon the article's surface the aforementioned bond coat layer. A functionally graded material layer is applied upon the bond coat layer. The functionally graded material layer comprising molybdenum disilicide, mullite and at least one of the following: silicon nitride, silicon carbide or tantalum oxide. A thermal barrier coating layer is then applied upon the functionally graded material layer.

Abstract: Methods of making components having calcium magnesium aluminosilicate (CMAS) mitigation capability involving providing a component; applying an environmental barrier coating to the component, the environmental barrier coating having a separate CMAS mitigation layer including a CMAS mitigation composition selected from rare earth elements, rare earth oxides, zirconia, hafnia partially or fully stabilized with alkaline earth or rare earth elements, zirconia partially or fully stabilized with alkaline earth or rare earth elements, magnesium oxide, cordierite, aluminum phosphate, magnesium silicate, and combinations thereof.

Abstract: A monomolecular carbon-based film can be placed on an aircraft part, such as the leading edge designed to directly impinge against air during flight, ascent or descent, in order to form a smooth surface having increased lubricity and reduced air friction. The aircraft part may be in the form of a helicopter rotor, wing, propeller, fin, aileron, nose cone, and the like. The monomolecular carbon-based film can be deposited on the aircraft part, for example, using a reactor that includes a bed of silica and through which emissions from a diesel engine are passed. The monomolecular carbon-based film decreases air friction and increased lift of a modified aircraft that includes an aircraft part treated with the film. It also provides a structured shock absorber.