Abstract: The present invention relates to a modified red mud/a modified bauxite residue and also to processes for the production thereof and to a storage medium comprising a modified red mud, to a heat storage means comprising a storage medium and to numerous uses of a modified red mud as storage medium, in particular in a heat storage means. The modified red mud contains the following components: haematite (Fe2O3), —corundum (Al2O3), —rutile (TiO2) and/or anatase (TiO2), —quartz (SiO2), —optionally perowskite (CaTiO3) and —optionally pseudobrookite ((Fe3+,Fe2+)2(Ti,Fe3+)O5), nepheline ((Na,K)[AlSiO4]) and/or hauynite ((Na,Ca)4-8[Al6Si6O24(SO4)]), wherein the modified red mud is substantially free from Na2O and/or glass. A novel material is thus provided, and the production thereof for use as a storage medium in a sensitive energy storage system in the low-, medium- or high-temperature range is described.

Abstract: A laminated diffractive optical element includes a first resin layer having a first lattice shape and a second resin layer having a second lattice shape. The first resin layer and the second resin layer are laminated in this order on a first substrate so that the lattice shapes oppose each other. The first resin layer contains a resin and transparent conductive particles. The transparent conductive particles have an average particle size of 1 nm to 100 nm. A ratio of a polymer of an energy curable resin raw material having a long diameter of 1 ?m to 10 ?m in the first resin layer is 70 pieces/mm3 or less.

Abstract: Ink compositions for fabricating objects from planetary regoliths and objects fabricated from the ink compositions are provided. The objects include flexible, elastomeric objects and hard objects. Also provided are methods, including three-dimensional (3D) printing methods, for fabricating objects using the ink compositions. The ink compositions comprise a natural planetary regolith, such as an extraterrestrial regolith, a graded solvent system, and an elastomeric polymer binder.

Abstract: The present invention relates to an artificial stone tile comprising natural rock and a method for manufacturing the same. According to the present invention, the artificial stone tile may be manufactured by finely crushing natural rock, which is inexpensive to marble or granite, mixing the powder with an adhesive for increasing cohesion, heat resistance, durability and strength, forming the mixture into a tile shape under high pressure, and subjecting the formed tile to first calculation at high temperature, quenching at cold temperature, and second calcination at low temperature. The artificial stone tile may reproduce the same texture as natural stone, has better abrasion resistance and strength, is environmentally friendly without using synthetic resin, and may be supplied at low prices.

Abstract: A piezoelectric element includes a first electrode, a piezoelectric layer which is provided on the first electrode and which is formed of crystals of a composite oxide with a perovskite structure which is preferentially oriented in a plane, and a second electrode which is provided on the piezoelectric layer and which is formed of platinum which is preferentially oriented in a plane, in which, in the piezoelectric layer, plane intervals L1 of the crystals on the first electrode side are larger than plane intervals L2 of the crystals on the second electrode side.

Abstract: A method for forming rod-shaped particles includes inducing flow of a slurry of particles and a reactant through one or more orifices and into a coagulation solution, wherein the slurry exiting the one or more orifices is a continuous uninterrupted stream, coagulating the reactant in the coagulation solution to form stabilized rods, drying the stabilized rods and reducing a length of the dried stabilized rods.

Abstract: A porous ceramic composition having improved thermal stability is comprised of ceramic grains bonded together by grain boundary phase comprised of silica, yttrium and oxygen wherein the amount of alkali metals, alkaline earth metals and other transition metals not including rare earth metals is at most 2% by weight of the grain boundary phase.

Abstract: A method of producing glass-ceramic includes providing a glass made from a glass composition comprising LiO2, Al2O3, SiO2, and at least one nucleating agent. The glass is disposed in a microwave processing chamber. Microwaves are then selectively delivered into the microwave processing chamber at varying frequencies to induce different distributions of microwave fields in the glass. The glass is nucleated and crystallized while under the influence of the induced microwave fields.

Abstract: A porous ceramic composition having improved thermal stability is comprised of ceramic grains bonded together by a grain boundary phase comprised of silica, rare earth element that is Eu, Gd, Nd or mixture thereof and oxygen and optionally yttrium, wherein the grain boundary phase has a amount of an alkali, an alkaline earth metal and a transition metal other than yttrium that is at most 2% by weight of the grain boundary phase.

Abstract: A methyl cellulose having a DS(methyl) of from 1.10 to 1.61 is useful for increasing the wet green modulus of an extrusion-molded hollow body, particularly an extrusion-molded hollow body having a ceramic honeycomb structure.

Abstract: A method for fabricating an artificial bone by multi-pass extrusion, includes: a first extrusion process of forming roll-shaped filaments having sheets of calcium phosphate/calcium phosphate-(t-ZrO2)/t-ZrO2; a second extrusion process of arranging the prepared roll-shaped filaments circularly and extruding the same; and a third extrusion process of forming an external shell of hydroxyapatite (HAp). The method for fabricating an artificial bone allows fabrication of an artificial bone having the biocompatibility and mechanical strength of the natural bone and may be utilized variously in biomedical engineering, medicine and other applications.

Abstract: An inorganic fiber structure comprising inorganic nanofibers having an average fiber diameter of 3 ?m or less, in which an entirety including the inside thereof is adhered with an inorganic adhesive, and the porosity thereof is 90% or more, is disclosed.

Abstract: Aluminum titanate precursor batch compositions comprising a recycled aluminum titanate component, at least a portion of the recycled aluminum titanate component being comprised of a recycled pre-reacted aluminum titanate composition or alternatively of an un-reacted green aluminum titanate precursor composition, and methods for producing aluminum titanate ceramic articles utilizing the inventive batch compositions.

Abstract: A composition for extrusion-molded bodies which comprises a) an inorganic material that sets as a result of baking or sintering, and b) a methylhydroxypropyl cellulose having a DS(methyl) of from 0.8 to 2.5 and an MS(hydroxypropyl) of from 0.50 to 1.20 is useful for producing extrusion-molded bodies for use as a carrier for a catalyst, a catalyst, a heat exchanger, or a filter.

Abstract: Methods of forming three-dimensional metallic objects are provided. A metal oxide paste comprising metal oxide particles, a polymeric binder and an organic solvent is extruded through a tip to deposit sequential layers of the metal oxide paste on a substrate to form a three-dimensional metal oxide object. The three-dimensional metal oxide object is exposed to a reducing gas at a temperature and for a period of time sufficient to reduce and to sinter the metal oxide particles to form a three-dimensional metallic object. Depending upon the composition of the metal oxide paste, the three-dimensional metallic object may be composed of a single metal, a simple or complex metal-metal alloy, or a metal-ceramic composite.

Abstract: Artificial turf has a base layer, a multiplicity of blades fixed in and projecting upward from the base layer, and a mass of damping material on the base layer and through which the blades project. Each of the blades is at least partially formed of a polyester of terephthalic acid made from waste. The polyester is polyethylene terephthalate (PET) or polybutylene terephthalate (PBT), both from waste. The base layer is a flat primary layer, preferably a textile and preferably consists of plastic, a polyolefin and/or a polyester of terephthalic acid, preferably a polyester of terephthalic acid from waste.

Abstract: In accordance with certain embodiments of the present disclosure, a process of forming a prosthetic device is provided. The process includes forming a dispersion of polymeric nanofibers, a fiberizing polymer, and a solvent, the dispersion having a viscosity of at least about 50,000 cPs. A tubular frame is positioned over a tubular polymeric structure. Nanofibers from the dispersion are electrospun onto the tubular frame to form a prosthetic device. The prosthetic device is heated.

Abstract: A method of preparing and rapidly curing a composite material having a thin cross section. The composite material includes a mixture of solid particles, at least some of which are a material that reacts with CO2, such as a silicate, for example Wollastonite. The green material is prepared by mixing the solid components with a liquid such as water to form a slurry, and forming green bodies by placing the slurry in forms. The green bodies are reacted with CO2 to form cured composite materials having thin sections, in the range of 10 to 15 mm. Curing in periods of 6 hours has been demonstrated.

Abstract: Provided is a zinc oxide sputtering target, which can effectively suppress the occurrence of break or crack in the target during sputtering to enable production of a zinc oxide transparent conductive film with high productivity. The zinc oxide sputtering target is composed of a zinc oxide sintered body comprising zinc oxide crystal grains, wherein the zinc oxide sputtering target has a sputter surface having a (100) crystal orientation degree of 50% or more.

Abstract: A method of manufacturing foamed thermoplastic films and trash bags wherein a foaming agent is added to a base thermoplastic resin. The resultant foaming agent/base resin mixture is extruded to form a single-ply foamed thermoplastic film. The film may be formed into bag, such as a trash bag.

Abstract: The nozzle member of a fluid nozzle includes at least one through hole that is parallel to a center axis, wherein a diameter dimension of the through hole is 10 ?m to 100 ?m, a length-to-diameter ratio (L/D) of the through hole is 5 or above, and the nozzle member is formed of ceramics having relative density of 95% or above. The nozzle member including a plurality of minute through holes is manufactured by performing extrusion or cast molding in such a way that a molded body includes a filament of synthetic resin, carbon, or metal in a direction of the center axis of the molded body, and then defatting/sintering the molded body after removing the filament or, when the filament is formed of synthetic resin or carbon, defatting/sintering the molded body under oxidizing atmosphere to evaporate and remove the filament without removing the filament from the molded body.

Abstract: The present disclosure relates to methods and systems for manufacturing rotational spun materials. The rotational spun materials are medical appliances or other prostheses made of, constructed from, covered or coated with rotational spun materials, such as polytetrafluoroethylene (PTFE).

Abstract: The invention provides a porous glass ceramic composition manufactured using conventional raw materials and one or more waste materials, wherein the waste materials are capable of producing glass forming oxides, glass modifying oxides and pore forming oxides. The waste materials are selected from a group that includes cullet, pozzolanic waste and fly ash. The invention also provides a method for manufacturing the porous glass ceramic composition.

Abstract: A method of manufacturing building bricks provides for mixing quartz sand, which can be barkhan bare sand, with clay and starch. NaOH and water, which can be technical water or sea water, are added to the mixture which is then subjected to semidry shaping and baking. The resulting light weight bricks produced in a simple and economical way possess low thermal conductivity, are heat- and frost proof, chemical-resistant, and biorefractory.

Abstract: Provided are: a readily sinterable silicon carbide powder substantially having a stoichiometric composition and from which a dense sintered body can be obtained; a silicon carbide ceramic sintered body having a low specific resistance; and a production method thereof. This readily sinterable silicon carbide powder has a carbon/silicon elemental ratio of 0.96 to 1.04, an average particle diameter of 1.0 to 100 ?m, and a ratio of 20% or less of an integrated value of an absorption intensity in a chemical shift range of 0 to 30 ppm to an integrated value of an absorption intensity in a chemical shift range of 0 to 170 ppm, in a 13C-NMR spectrum. By sintering this silicon carbide powder under pressure, there can be produced a dense sintered body having a low specific resistance and a high purity.

Abstract: A ceramic sheet is produced by a method in which inorganic particles including, as a main component, an oxide represented by general formula ABO3 and containing a volatile component are mixed such that the A/B ratio is 1.05 or more, the inorganic particles are formed into a self-supported planar shaped body with a thickness of 30 ?m or less, and the shaped body is fired, without an inactive layer or with an inactive layer which does not substantially react with the shaped body and is disposed adjacent to the shaped body, at a temperature-rising rate of 30° C./min or more in a temperature range which is equal to or higher than a temperature at which the volatile component is volatilized.

Abstract: A thermoelectric material including a composition of Formula 1: (Bi1-x-zSbxAz)u(Te1-ySey)w,??Formula 1 wherein A is a transition metal, 0?x<1, 0?y?1, 0<z?0.03, 1.8?u?2.2, and 2.8?w?3.2.

Abstract: The master batch for molding includes at least one inorganic powder, advantageously ceramic or metallic; an organic mixture, advantageously polymer, comprising: a stable polymer having good ductility features, from 30 to 90% by mass of the mixture; a lubricant, from 5 to 50% by mass of the mixture; a plasticizing polymer, from 5 to 30% by mass of the mixture; with a [% by mass of the lubricant]/[% by mass of the stable polymer] ratio smaller than or equal to 1, advantageously strictly smaller than 1.

Abstract: A sintered rod-shaped proppant and anti-flowback agent possesses high strength and high conductivity. The sintered rods comprise between about 0.2% by weight and about 4% by weight aluminum titanate. In some embodiments, the sintered rods are made by mixing bauxitic and non-bauxitic sources of alumina that may also contain several so-called impurities (such as TiO2), extruding the mixture, and sintering it. The starting material may optionally be milled to achieve better compacity and crush resistance in the final sintered rod. A fracturing fluid may comprise the sintered rods alone or in combination with a proppant, preferably a proppant of a different shape.

Abstract: In the present invention, a method of preparing Ag-based oxide contact materials with directionally arranged reinforcing particles is disclosed, comprising steps of: a) preparing evenly dispersed composite powders by chemical co-precipitation method combining with roasting, b) granulating the composite powders by high energy ball milling, and sieving the powders, c) mixing the powders and Ag matrix in a powder mixing machine, d) cold isostatic pressing, e) sintering, f) hot-pressing, g) hot-extruding to obtain Ag-based oxide contact materials with directionally arranged reinforcing particles. This method can obtain particle reinforced Ag-based material with good electrical performance even when the reinforced (oxide) particles are very small. This method is simple, easy to operate, and does not require special equipment. The resistance to welding and arc erosion, electric conductivity and the processability of the material prepared through this present invention can be greatly improved.

Abstract: Embodiments of the present disclosure provide electrospinning devices, methods of use, uncompressed fibrous mesh, and the like, are disclosed.

Abstract: The present invention relates to a method for producing a rare earth sintered magnet including the steps of: molding a mixture of magnetic powder containing a rare earth compound and oil-extended rubber containing oil and rubber to produce a molded body; removing the oil-extended rubber from the molded body; and calcining the molded body from which the oil-extended rubber is removed to produce a rare earth sintered magnet 10.

Abstract: The invention relates to a hydraulic binder product [12, 10] which includes a mixture of a hydraulic binder [38, 202], a polyvinyl alcohol [14, 204] and a gelling agent [54] which reacts with the polyvinyl alcohol and a method [8] of producing same.

Abstract: The present invention provides a method for manufacturing a film for a film capacitor making it possible to produce a film for a film capacitor which has a thickness of 10 ?m or less and which is excellent in a heat resistance and a voltage resistance at a high thickness accuracy by using a polyetherimide resin and provides as well a film for a film capacitor.

Abstract: There is provided a method for manufacturing a honeycomb structure comprising the steps of: forming kneaded clay containing a forming mixture of cordierite-forming materials and an organic binder to manufacture a honeycomb formed article, and firing the honeycomb formed article. The forming mixture contains at least hydrophilic talc. The method enables to perform extrusion forming at a high rate even without raising an apparatus load in order to improve productivity and can provide a honeycomb structure.

Abstract: A method for fabricating an artificial bone by multi-pass extrusion, includes: a first extrusion process of forming roll-shaped filaments having sheets of calcium phosphate/calcium phosphate-(t-ZrO2)/t-ZrO2; a second extrusion process of arranging the prepared roll-shaped filaments circularly and extruding the same; and a third extrusion process of forming an external shell of hydroxyapatite (HAp). The method for fabricating an artificial bone allows fabrication of an artificial bone having the biocompatibility and mechanical strength of the natural bone and may be utilized variously in biomedical engineering, medicine and other applications.

Abstract: The invention pertains to a method for making a polymer-additive composite particle from a dope by jet spinning the dope to obtain a pulp, fibril or fibrid, wherein the solvent of the dope is selected from N-methyl-2-pyrrolidone, N,N?-dimethylformamide, N,N?-dimethylacetamide, tetramethylurea, and 4 to 75 wt % of a composition consisting of 2 to 95 wt % of a para-aramid polymer and 5-98 wt % of a solid additive material, to a total of 100 wt %, and wherein the aramid polymer is dissolved in the solvent; or coagulating the dope by means of a rotor-stator apparatus in which the polymer solution is applied through the stator on the rotor so that the precipitating polymer-additive composite particle is subjected to shear forces while they are in a plastic deformable stage.

Abstract: A resin fine powder which consists of a 4-methyl-1-pentene polymer that exhibits a limiting viscosity [?] of 1.0×10?2 to less than 3.0 dl/g as determined in decalin at 135° C. and which has a median particle diameter [D50] of 1.0×10?1 to 5.0×10 ?m; and a composition which comprises the resin fine powder and at least one sinterable powder selected from the group consisting of metal powders and ceramic powders.

Abstract: The present invention relates to extrudable ceramic masses and other masses which set as a result of baking or sintering, which masses comprise specific additives based on water-soluble cellulose ethers, an extrusion process, the extrudates and their use.

Abstract: A method of manufacturing a cementitious composite including: (1) mixing an extrudable cementitious composition by first forming a fibrous mixture comprising fibers, water and a rheology modifying agent and then adding hydraulic cement; (2) extruding the extrudable cementitious composition into a green extrudate, wherein the green extrudate is characterized by being form-stable and retaining substantially a predefined cross-sectional shape; (3) removing a portion of the water by evaporation to reduce density and increase porosity; and (4) heating the green extrudate at a temperature from greater than 65° C. to less than 99° C. is disclosed. Such a process yields a cementitious composite that is suitable for use as a wood substitute. Particularly, by using higher curing temperatures for preparing the cementitious building products, the building products have a lower bulk density and a higher flexural strength as compared to conventional products.

Abstract: The invention relates to molded functional bodies made of highly thermally conductive materials, namely aluminum nitride, to a method for the production thereof by way of extrusion, and to the use thereof.

Abstract: Methods for controlled electrospinning of polymer fibers are described. The methods include spinning a polymer fiber from a fluid comprising a polymer in the presence of an electric field established between a plurality of collectors and a jet supply device controlling the dispersion characteristics of the fluid by applying a magnetic field created by at least one magnet located after the point of jet formation. Different voltages are applied to at least two collectors of the plurality of collectors. At least one magnet, located between the jet supply device and at least one collector, creates a magnetic field substantially transverse or substantially collinear to an electrospinning jet stream. The magnetic field changes direction of travel of the electrospinning jet stream.

Abstract: An extrusion die is processed to alter the flow of extrudable material through the die by collecting data reflecting flow variations across the face of the die, constructing a graded resistance flow restrictor utilizing the data, and forcing an abrasive machining medium through the flow restrictor and die with the flow restrictor being arranged to deliver higher abrasive flow through die portions initially exhibiting low extrusion rates, the resulting die being useful for the manufacture of ceramic honeycomb bodies exhibiting a reduced incidence of shape defects attributable to die flow variations.

Abstract: A precursor batch composition that can be used to make porous ceramic articles is provided. The batch composition includes a polysaccharide gum. The batch composition may optionally include a linear water soluble polymer having a molecular weight of at least one million Daltons.

Abstract: A silicon carbide powder composition comprising a silicon carbide powder obtained by thermally decomposing a silicone cured product within a non-oxidizing atmosphere and an organic binder. The composition can be sintered to form a silicon carbide molded product having a complex shape even without the inclusion of a sintering assistant.

Abstract: The present invention relates to a method for producing an artificial lightweight aggregate containing bottom ash. The method includes the steps of: (a) mixing 100 parts by weight of clay and 10-100 parts by weight of bottom ash to obtain a mixture; (b) extrusion-molding the mixture by using an extruder and cutting the extrusion-molded mixture to form a molded article; (c) drying the molded article by using a rotary drier; and (d) sintering the dried article at 1050-1150° C. for 15-45 minutes to produce the artificial lightweight aggregate. The aggregate produced according to the invention is lightweight, cost-effective, and has uniform water absorption.

Abstract: Provided is a method for making a ceramic clay brick using waste battery powder. Valuables of the waste batteries are separated through a crushing, pyrolysis, pulverizing, and magnetic separation processes. The remaining waste battery powder is processed in order to utilize the remaining waste battery powder as a colorant in a brick making process. Clay powder is added to the processed waste battery powder to make a black-colored, dark red-colored, or dark brown-colored brick according to its contents. According to the present invention, since the waste battery powder mainly including manganese and zinc can be processed into the colorant and mixed with the clay powder to make the black-colored, dark red-colored, or dark brown-colored brick according to its contents, purchase costs MnO2 used as the colorant during the making process of the ceramic brick can be remarkably reduced. In addition, superior bricks can be made at low cost.

Abstract: The invention relates to a process for the continuous thermal removal of binder from a metallic and/or ceramic shaped body which has been produced by injection molding, extrusion or pressing using a thermoplastic composition and comprises at least one polyoxymethylene homopolymer or copolymer as binder in a binder removal oven, which comprises the steps (a) removal of binder from the shaped body in a binder removal oven at a temperature which is from 5 to 20° C. below, preferably from 10 to 15° C. below, the temperature of a second temperature stage over a period of from 4 to 12 hours in a first temperature stage in an oxygen-comprising atmosphere, (b) removal of binder from the shaped body at a temperature in the range>160 to 200° C. over a period of from 4 to 12 hours in an oxygen-comprising atmosphere in a second temperature stage and (c) removal of binder from the shaped body at a temperature in the range from 200 to 600° C.

Abstract: A method for making a ceramic body, the method including: mixing inorganic ceramic-forming ingredients to form a batch; adding a rapidly hydratable cellulosic binder and a liquid vehicle to the batch and further mixing to form a plasticized mixture; extruding the plasticized mixture to form a green body. The green body can then be heated sufficiently to produce a predominant ceramic phase, thereby transforming the green body into the ceramic body.

Abstract: A composition for ceramic extrusion-molded bodies includes a ceramic material, a water-soluble cellulose ether, a styrenesulfonate and water. A method for manufacturing a ceramic extrusion-molded body using the composition is also provided.