Abstract: Provided in one embodiment includes a multi-fully alloyed powder that provides a wear- resistant and corrosion-resistant coating on a substrate when applied by a thermal spraying process. The coating exhibits desirable hardness, toughness, and bonding characteristics in a highly dense coating that is suitable for a wide range of temperatures. The embodiment provides a method of forming a coating, the method comprising: providing a substrate; and disposing onto the substrate a coating, comprising: a powder-containing composition comprising an alloy, the alloy comprising a solid solution comprising nickel, and a first component comprising at least one transition metal element and at least one nonmetal element.

Abstract: Metal-coated polymer articles containing structural substantially porosity-free, fine-grained and/or amorphous metallic coatings/layers optionally containing solid particulates dispersed therein on polymer substrates, are disclosed. The substantially porosity-free metallic coatings/layers/patches are applied to polymer or polymer composite substrates to provide, enhance or restore vacuum/pressure integrity and fluid sealing functions. Due to the excellent adhesion between the metallic coating and the polymer article satisfactory thermal cycling performance is achieved. The invention can also be employed as a repair/refurbishment technique. The fine-grained and/or amorphous metallic coatings are particularly suited for strong and lightweight articles, precision molds, sporting goods, aerospace and automotive parts and other components exposed to thermal cycling and stress created by erosion and impact damage.

Abstract: A reactor comprising a first zone comprising a dehydrogenation catalyst and a second zone separated from said first zone by a proton conducting membrane comprising a mixed metal oxide of formula (I) LnaWbO12?y wherein Ln is Y or an element numbered 57 to 71; the molar ratio of a:b is 4.8 to 6, preferably 5.3 to 6; and y is a number such that formula (I) is uncharged, e.g. y is 0?y?1.8.

Abstract: As asymmetric porous film structure formed by depositing a porous material film on a flexible substrate, and applying an anisotropic stress to the porous media on the flexible substrate, where the anisotropic stress results from a stress such as an applied mechanical force, a thermal gradient, and an applied voltage, to form an asymmetric porous material.

Abstract: Nanocomposite materials comprising a metal oxide bonded to at least one graphene material. The nanocomposite materials exhibit a specific capacity of at least twice that of the metal oxide material without the graphene at a charge/discharge rate greater than about 10 C.

Abstract: A high-strength coating for dental and orthopedic implants utilizing hydroxyapatite (HAp) nanoparticles provides for a high level of osseointegration through a range of surface pore sizes in the micro- to nanoscale. Zinc oxide (ZnO) nanoparticles may be incorporated with the HAp nanoparticles to form a composite coating material, with ZnO providing infection resistance due to its inherent antimicrobial properties. A textured surface, consisting of “islands” of roughly square coating structures measuring about 250 ?m on a side, with spacing of 50-100 ?m therebetween, may further promote the osseointegration and antimicrobial properties of the implant coating.

Abstract: A tri-barrier ceramic coating system is provided having a base thermal barrier layer, an intermediate CMAS barrier layer, and a top erosion barrier layer, and the method of applying such a coating system to a substrate. The base layer has a typical columnar structure with inter-columnar gaps and intra-columnar micro-pores that provides the stress tolerance during thermal cycles. The intermediate CMAS barrier layer has the fiber-like columns with inter-columnar nano-pores and a grid structure on the bottom of the layer. The fine structured intermediate layer covers the gaps between the columns of the base layer and will block CMAS infiltration effectively. The top erosion resistant layer contains wider TBC columns with narrow inter-columnar gaps and a modified cauliflower-like TBC head that provides erosion resistance for the underlying layers. The tri-barrier coating microstructure will further reduce the thermal conductivity as comparing to the conventional single layer system.

Abstract: An article of manufacture includes a first ceramic matrix composite (CMC) sheet having a number of flow passages therethrough, and an open-cell foam layer bonded to the first CMC sheet. The open-cell foam layer is an open-cell foam. The article of manufacture includes a second CMC sheet bonded to the open-cell foam layer, the second CMC sheet having a thermal and environmental barrier coating and having a number of flow passages therethrough.

Abstract: A metallic article adapted to be exposed to a gas during operation conditions is provided. The metallic article includes a metallic substrate, and a thermal barrier coating on the metallic substrate for restricting heat transfer from the gas to the metallic substrate. The thermal barrier coating includes a coating of a ceramic material formed by a deposition of powdered particles of said ceramic material defining a porous microstructure, wherein the porous microstructure has an average pore size ‘d’, such that d ? 0.

Abstract: The present invention relates to a method of coating a porous material such as a medical implant with a layer of calcium phosphate, wherein the material is submersed in an aqueous solution of calcium, phosphate and carbonate ions, and the pH of the solution is gradually increased. A calcium phosphate coating is formed on an internal surface of the porous material by agitating the solution during coating formation.

Abstract: The present invention relates to a method of producing porous metal oxide films on a substrate using template assisted electrostatic spray deposition (ESD). Thereby it is possible to produce both mesoporous and macroporous films which have a predefined pore morphology. In addition hierarchically structured meso- and macroporous films can be produced. The present invention also concerns the produced porous films and their use in catalysis, power storage, sensing and compound separation.

Abstract: The present invention is generally directed to the field of lithium-ion batteries. It is more specifically directed to electrode materials used in lithium ion batteries, electrodes including the materials, devices incorporating the electrodes and related methods of manufacture. In a composition aspect of the present invention, a composition comprising at least 50 mg of Li4Ti5O12 or doped Li4Ti5O12 is provided. The Li4Ti5O12 or doped Li4Ti5O12 is made using a thermal spray process, and is greater than 95% spinel crystal form. The BET surface area of the Li4Ti5O12 or doped Li4Ti5O12 is greater than 1 m2/g.

Abstract: A coated article is described. The coated article includes a substrate, a bonding layer formed on the substrate, a plurality of nickel-chromium-nitrogen layers and a plurality of copper-silver-cerium alloy layers formed on the bonding layer. The bonding layer is a nickel-chromium layer. Each nickel-chromium-nitrogen layer interleaves with one copper-silver-cerium alloy layer. One of the nickel-chromium-nitrogen layers is directly formed on the bonding layer. A method for making the coated article is also described.

Abstract: A coated article is described. The coated article includes a substrate, a bonding layer formed on the substrate, a plurality of nickel-chromium-nitrogen layers and a plurality of zinc layers formed on the bonding layer. The bonding layer is a nickel-chromium layer. Each nickel-chromium-nitrogen layer interleaves with one zinc layer. One of the nickel-chromium-nitrogen layers is directly formed on the bonding layer. A method for making the coated article is also described.

Abstract: A coated article is described. The coated article includes a substrate, a bonding layer formed on the substrate, a plurality of nickel-chromium-nitrogen layers and a plurality of copper-zinc alloy layers formed on the bonding layer. The bonding layer is a nickel-chromium layer. Each nickel-chromium-nitrogen layer interleaves with one copper-zinc alloy layer. One of the nickel-chromium-nitrogen layers is directly formed on the bonding layer. A method for making the coated article is also described.

Abstract: Nanoporous polystyrene matrix can be fabricated from the self-assembly of degradable block copolymer, polystyrene-b-poly(L-lactide) (PS-PLLA), followed by the hydrolysis of PLLA blocks. Metal is deposited in nanopores of the PS matrix using the nanoporous PS as a template via electroless plating. After subsequent UV degradation of the PS matrix, metal in the nanopores remains, yielding a metal nanostructure. The metal nanostructure may be a gyroid nanostructure, helical nanostructure or columnar nanastructure.

Abstract: Light-emitting devices are prepared by coating a porous substrate using a polymer-assisted deposition process. Solutions of metal precursor and soluble polymers having binding properties for metal precursor were coated onto porous substrates. The coated substrates were heated at high temperatures under a suitable atmosphere. The result was a substrate with a conformal coating that did not substantially block the pores of the substrate.

Abstract: An example of a nanoballoon thermal protection system includes a refractory ceramic foam having carbide balloons. The foam has a closed cell structure not allowing liquid to penetrate through the foam. Each of the carbide balloons is hollow and has a diameter greater than 0 nm and less than 900 nm. Each of the carbide balloons includes a refractory carbide. In addition, a vehicle with thermal shield includes a surface and a first and second nanoballoon closed cell foam coatings. Each of the foam coatings has a melting point temperature greater than 1000° C. and a density less than 85%. Each of the foam coatings has hollow balloons having a diameter less than 900 nm. Each of the foam coatings includes a closed cell structure not allowing liquid to penetrate through the respective coating. Methods for manufacturing a nanoballoon system and a nanoballoon thermal protection system are also disclosed.

Abstract: Disclosed are methods for producing carbon, metal and/or metal oxide porous materials that have precisely controlled structures on the nanometer and micrometer scales. The methods involve the single or repeated infiltration of porous templates with metal salts at controlled temperatures, the controlled drying and decomposition of the metal salts under reducing conditions, and optionally the removal of the template. The carbon porous materials are involve the infiltration of a carbon precursor into a porous template, followed by polymerization and pyrolysis. These porous materials have utility in separations, catalysis, among others.

Abstract: Ultra-thin porous films are deposited on a substrate in a process that includes laying down an organic polymer, inorganic material or inorganic-organic material via an atomic layer deposition or molecular layer deposition technique, and then treating the resulting film to introduce pores. The films are characterized in having extremely small thicknesses of pores that are typically well less than 50 nm in size.

Abstract: A refractory ceramic material possessing a solidus temperature between 2500° C. and 2800° C., having a compactness greater than 85%, and a microstructure such that the material is composite of: (a) hafnium dioxide HfO2 grains having a monoclinic structure (1); (b) hafnium dioxide HfO2 grains having a cubic structure (2) which is stabilized by yttrium oxide Y2O3, the yttrium oxide Y2O3 representing 0.5 mol % to 8 mol % relative to the total number of moles of hafnium dioxide HfO2; (c) closed pores (3); (d) non-interconnected open pores. The process of manufacturing the material and a structural part incorporating the material are also set forth.

Abstract: Ceramic materials with relatively high resistance to wetting by various liquids, such as water, are presented, along with articles made with these materials, methods for making these articles and materials, and methods for protecting articles using coatings made from these materials. One particular embodiment is an article that comprises a coating having a surface connected porosity content of up to about 5 percent by volume. The coating comprises a material that comprises a primary oxide and a secondary oxide, wherein (i) the primary oxide comprises a cerium cation, and (ii) the secondary oxide comprises a cation selected from the group consisting of the praseodymium and neodymium. The material is transparent to electromagnetic radiation of at least one type selected from the group consisting of ultraviolet radiation, visible light, and infrared radiation.

Abstract: Metal, ceramic and cermet articles produced from low viscosity suspensions. The articles include micro diameter hollow fibers, meshes and open cell foams. The articles are useful for filters, catalyst media, fuel cell electrodes, body implantation devices, structural materials, vibration and noise control, heat exchangers, heat sinks, heat pipes, heat shields and other applications.

Abstract: An electrically conductive ceramic layer is deposited on a porous body. The porous body is formed of sintered Fe-based alloy grains and has a density of 40 to 70% of its theoretical density. The electrically conductive deposition layer preferably has a perovskitic structure and it is formed by a pulsed sputtering process. The layer has a low diffusivity for the elements in the iron group and is especially suitable for use in solid oxide fuel cells (SOFC).

Abstract: A hydrogen separator comprising a porous substrate composed mainly of a ceramic having a large number of pores connecting from one surface of the substrate to other surface, and a hydrogen-separating layer made of a hydrogen permselective metal formed on the porous substrate via an intermediate layer made of an electron-conductive ceramic. The hydrogen separator hardly generates defects such as peeling, cracks or the like in the hydrogen-separating layer and is suitable for use even when the hydrogen separator is exposed to a heat cycle, used under high temperature conditions or/and used for long-term.

Abstract: Disclosed herein are emissive ceramic materials having a dopant concentration gradient along a thickness of a yttrium aluminum garnet (YAG) region. The dopant concentration gradient may include a maximum dopant concentration, a half-maximum dopant concentration, and a slope at or near the half-maximum dopant concentration. The emissive ceramics may, in some embodiments, exhibit high internal quantum efficiencies (IQE). The emissive ceramics may, in some embodiments, include porous regions. Also disclosed herein are methods of make the emissive ceramic by sintering an assembly having doped and non-doped layers.

Abstract: Provided is a porous humidity-control tile including about 40% to about 95% by weight of diatomite, and one or more of ochre, red clay, kaolin, zeolite, illite, vermiculite, feldspar, pottery stone, and pyrophyllite. The porous humidity-control tile has about 10 vol % to 80 vol % of cellular spherical pores having a size corresponding to a size of hollow pore forming material that is removable by heat treatment. The porous humidity-control tile has a rate of moisture adsorption/desorption per unit weight in a range from about 20 g/kg to about 60 g/kg and a rate of moisture adsorption/adsorption per unit area in a range from about 150 g/m2 to about 450 g/m2. Therefore, the porous humidity-control tile can be light, and the amount of adsorption/desorption per unit weight of the porous humidity-control tile can be improved.

Abstract: Coated articles, electrodeposition baths, and related systems are described. The article may include a base material and a coating comprising silver formed thereon. In some embodiments, the coating comprises a silver-based alloy, such as a silver-tungsten alloy. The coating can exhibit desirable properties and characteristics such as durability (e.g., wear), hardness, corrosion resistance, and high conductivity, which may be beneficial, for example, in electrical and/or electronic applications. In some cases, the coating may be applied using an electrodeposition process.

Abstract: The invention is directed to a material and method for obtaining a ceramic abradable system for high temperature applications. High purity partially stabilized zirconia and/or hafnia base material has higher sintering resistance compared to conventional 6-9 weight percent yttria stabilized zirconia systems. The benefits of these systems are higher service lifetime and low thermal conductivity to achieve high operating temperatures. System includes a superalloy substrate, oxidation resistant bond coat and a thick ceramic abradable top coat. Total coating thickness is about 0.5-5 mm. In some applications an intermediate layer of high purity partially stabilized zirconia or a partially stabilized YSZ/MCrAlY cermet is applied over the oxidation resistant bond coat. In other applications an abradable system is applied on top of a grid. Additional benefits should be reduced blade wear at high operating conditions.

Abstract: Ceramic materials with relatively high resistance to wetting by various liquids, such as water, are presented, along with articles made with these materials, methods for making these articles and materials, and methods for protecting articles using coatings made from these materials. One particular embodiment is an article that comprises a coating having a surface connected porosity content of up to about 5 percent by volume. The coating comprises a material that comprises a primary oxide and a secondary oxide, wherein (i) the primary oxide comprises a cerium cation, and (ii) the secondary oxide comprises a cation selected from the group consisting of the praseodymium and neodymium.

Abstract: An aggregate material includes an aluminous material and a toughening agent in contact with the aluminous material. The aluminous material has a primary aspect ratio of at least about 1.5 and a particle size between about 30 nm and about 1000 nm.

Abstract: A method of treating an article made of a fluoropolymer such as PTFE and, in particular, expanded PTFE (ePTFE), to provide a hydrophilic surface characteristic to the article. A filler is dispersed in a solvent and combined with PTFE to form a paste, which is extruded to form a shaped article and then expanded to form a porous ePTFE article, such as a tubular filter, for example, that includes filler particles dispersed and embedded within the bulk ePTFE. Functional groups of at least some of the filler particles are exposed at the surfaces or within the pores of the ePTFE article, which serve as reaction sites for a hydrophilic treatment by which hydrophilic molecules are chemically bound to the filler particles to thereby provide the surface and/or pores of the ePTFE article with a hydrophilic characteristic.

Abstract: A coated article is described. The coated article includes a substrate, a combining layer formed on the substrate, a plurality of chromium nitride layers and a plurality of copper-zinc alloy layers formed on the combining layer. The combining layer is a chromium layer. Each chromium nitride layer interleaves with one copper-zinc alloy layer. A method for making the coated article is also described.

Abstract: A coated article is described. The coated article includes a substrate, a combining layer formed on the substrate, a plurality of titanium dioxide layers and a plurality of copper-zinc alloy layers formed on the combining layer. The combining layer is a titanium layer. Each titanium dioxide layer interleaves with one copper-zinc alloy layer. A method for making the coated article is also described.

Abstract: Light-emitting devices are prepared by coating a porous substrate using a polymer-assisted deposition process. Solutions of metal precursor and soluble polymers having binding properties for metal precursor were coated onto porous substrates. The coated substrates were heated at high temperatures under a suitable atmosphere. The result was a substrate with a conformal coating that did not substantially block the pores of the substrate.

Abstract: In porous ceramic for slide member including independent pores having a pore size of 5 ?m or more, the independent pore is flattened body having minor axis in a direction perpendicular to a sliding surface, and a cross sectional area (S1) of an independent pore at a cross section perpendicular to the sliding surface is 95% or less of an area (S2) of a complete round having a diameter which is the same length as a major axis of the cross section of the independent pore, and in a cumulative distribution curve of pore sizes of independent pores in a plane parallel to the sliding surface, a ratio (P75/P25) of a pore size of cumulative 75% by volume (P75) to a pore size of cumulative 25% by volume (P25) is 1.9 or less. The porous ceramic can be suitably used as slide member such as seal ring.

Abstract: Disclosed is a heat-insulating structure which can be used, for example, to reduce the cooling loss of an engine. The heat-insulating structure includes a hollow particle layer made of a lot of hollow particles densely packed on a surface of a metallic base material. The hollow particle layer is covered with a coating.

Abstract: A color-change laminate in which a color tone derived from a porous layer is visually perceived in a dry state and a metallic lustrous property is visually perceived in a liquid-absorbed state of the porous layer caused by water application is excellent in luminance and which satisfies both of changing properties and decorative properties in the dry state and in the liquid-absorbed state. A color-change laminate includes a support having a metallic lustrous property and a porous layer provided on the surface of the support. The porous layer includes a low-refractive-index pigment and a transparent metallic lustrous pigment formed by coating a transparent core material with a metal oxide and/or a transparent metallic lustrous pigment having a color-flopping property all fixed onto a binder resin in a dispersed state and is different in transparency in a liquid-absorbed state and in a liquid-unabsorbed state.

Abstract: The present invention relates to a ceramic porous substrate, a reinforced composite electrolyte membrane using the same, and a membrane-electrode assembly having the same. The ceramic porous substrate comprises: a porous polymer base; and void structures formed on the surface of the porous polymer base by linking the space of the inorganic nanoparticles using a polymer binder or a silane-based inorganic binder. The ceramic porous substrate has improved mechanical properties compared to the porous polymer substrate alone, and the void structures thereof can be controlled in various ways.

Abstract: The invention proposes a process for producing a metal matrix composite material composed of a metal matrix having at least one metal component and at least one reinforcing component arranged in the metal matrix, in which at least one of the components is sprayed onto a substrate by means of a thermal spraying process, use being made of at least one reinforcing component comprising carbon in the form of nano tubes, nano fibers, graphenes, fullerenes, flakes or diamond. Also proposed is a corresponding material, in particular in the form of a coating, and the use of such a material.

Abstract: A microstructure that comprises an insulating base material having through micropores filled with metal at a high filling ratio and that can be used as an anisotropically conductive member is provided. The microstructure comprises an insulating base material having through micropores with a pore size of from 10 to 500 nm at a density of from 1×106 to 1×1010 pores/mm2, a metal being filled into the through micropores at a filling ratio of at least 80%.

Abstract: The present disclosure provides various novel methods for forming hybrid thin films that contain multi-lamellar assemblies of phospholipid bilayers and can incorporate proteins, polypeptides, biological complexes, transmembrane proteins and other membrane-associated compounds. The present disclosure further provides uses for such bilayer lipid membranes including, biosensing for medical diagnosis and environmental monitoring, chemical and biological warfare agent sequestration, actuator development, and bio-fuel cell development.

Abstract: An aluminum titanate-based ceramic is provided having an anisotropic microstructure which includes the reaction products of a plurality of ceramic-forming precursors. The batch contains at least one precursor in fibrous form. The inorganic ceramic has low thermal expansion. Porous ceramic bodies and the method of manufacture are also provided.

Abstract: A photo-sensitive composite film is disclosed, which includes plural metal nano-particles and a porous anodized aluminum oxide film. The nanoparticles can be hollow or solid with unrestricted shapes of varying diameters and lengths. The plural metal nanoparticles are completely contained in holes and attached to the bottom of the holes of the anodized aluminum oxide film, and the electrical conductivity of the photo-sensitive anodized aluminum oxide film can be changed by light exposure on the metal nanoparticles from surfaces of the anodized aluminum oxide film. The structure of the photo-sensitive anodized aluminum oxide film of the present invention is uncomplicated and the manufacturing steps thereof are simple, and therefore the photo-sensitive anodized aluminum oxide film of the present invention is of great commercial value. Also, a method of manufacturing the above photo-sensitive composite film and a photo-switched device including the same are disclosed.

Abstract: A gas permeable membrane for the optical measurement of the partial pressure and/or the concentration of a gas species, the membrane comprises a porous light-transmissible membrane matrix containing a metal oxide, wherein the membrane matrix is at least partially charged with at least one gas-selective compound whose optical characteristics change upon an interaction with a corresponding gas species.

Abstract: A composite porous membrane comprises a porous matrix and a polymer. The porous matrix contains a fiber woven fabric, a fiber nonwoven fabric, a porous metal material, or a porous inorganic material, and the polymer forms a three-dimensional network structure in the porous matrix. The composite porous membrane may be obtained by impregnating the porous matrix with a solution of the polymer, and by solidifying while stretching the polymer. Preferred examples of the porous matrix include glass fiber nonwoven fabrics, and preferred examples of the polymer include polybenzimidazoles.

Abstract: An article includes a membrane having pores and that is air permeable. A nanoparticle precursor is dispersed throughout the pores, and the nanoparticle precursor is responsive to a stimulus to form a catalytically active nanoparticle. An associated method is also provided.

Abstract: A porous fired body including a structure that aggregates are bonded by a bonding material, wherein the aggregates include oxide particles having a larger thermal capacity per unit volume than an SiC particle and SiC, the bonding material includes metallic Si, volume ratio of the metallic Si in the whole porous fired body is between 8 and 43% by volume, volume ratio of the particles of the oxide in the whole aggregates is between 14 and 55% by volume, the SiC particles and the oxide particles respectively include one or more particle groups, and an average particle size of each particle group is within a range of between 5 and 100 ?m.

Abstract: A glass product includes a glass substrate, and a metallic nano-network layer embedded and continuously extending in the glass substrate. A method for producing the glass product is also disclosed.

Abstract: A shaped body, particularly a sorbent shaped body, made of microporous and mesoporous adsorbents and of composite adsorbents is provided for, which shaped body employs a reduced proportion of binding agents. The binding agent added to the shaped body solidifies under the application of force, under which force non-uniformly distributed cavities are formed. The proportion of binding agent on the support forming the wall of the shaped body is higher than the proportion of binding agent inside the shaped body. By using modified alumosilicates and/or aluminum silicates with fluidic action during materials exchange and heat exchange, the shaped body provides for high space-time yields while storing heat and cold.