Entries |
Document | Title | Date |
20080203352 | FORMULATION OF GRINDING COOLANT - A new coolant for grinding the surface of the substrate of a magnetic recording medium is disclosed. The new coolant maintains the removal rate at about 1 mil/min even after 58 runs after dress. On the other hand, the removal rate using a commercially available coolant drops to less than 0.3 mil/min after only about 35 runs after dress. | 08-28-2008 |
20080251755 | Downhole servicing compositions having high thermal conductivities and methods of using the same - A downhole servicing composition comprising from about 15 percent to about 80 percent by weight of a clay, and from about 10 percent to about 75 percent by weight of a carbon source is disclosed. The invention includes a downhole servicing composition comprising from about 15 percent to about 45 percent by weight of a first clay, from about 15 percent to about 45 percent by weight of a second clay, from about 10 percent to about 35 percent by weight of a filler, and from about 10 percent to about 75 percent by weight of a carbon source. The invention also includes a downhole servicing composition comprising an aqueous base and from about 10 percent to about 75 percent by weight of flaked graphite, wherein the downhole servicing composition has a thermal conductivity not less than about 0.8 BTU/hr-ft-° F. | 10-16-2008 |
20080315150 | Antifreeze Material for Outdoor Sites, Typically Roads - Antifreeze material typically for outdoor constructions, such as roads and the like, comprising a loose material of generally granular form and generally porous structure which does not degrade in the presence of water and does not immediately completely disaggregate when subjected to compressive action due to treading and/or tyre rolling thereon, and which is impregnated by a generally water-soluble antifreezing product. | 12-25-2008 |
20090065733 | EXOTHERMIC AGENT - To provide a novel water-addition type, chemical exothermic agent. An exothermic agent comprising, per mass thereof, more than 30% but not more than 40% of a calcium oxide powder having an average particle size of 75 μm to 150 μm, and not less than 60% but less than 70% of a mixed aluminum powder in which an aluminum powder having such a particle size distribution that a particle size of 45 μm pass is 70.0 to 80.0% and a particle size of 45 to 75 μm is 20.0 to 30.0% and an aluminum powder having such a particle size distribution that a particle size of 45 μm pass is 60 to 70%, a particle size of 45 μm is 20 to 30%, a particle size of 63 μm is 7 to 10% and a particle size of 75 μm is 1.0 to 2.0% are mixed at a mass ratio of 1:2. This exothermic agent may further contain 5 to 10%, relative to its total mass, of at least one inorganic salt compound selected from the group consisting of calcium sulfate, ferrous sulfate, magnesium chloride, sodium sulfite, sodium phosphate, and sodium carbonate. | 03-12-2009 |
20090184285 | Preparation of Additive Mixtures For Mineral Oils and Mineral Oil Distillates - The present invention provides a continuous process for preparing additive mixtures for mineral oils and mineral oil distillates, comprising | 07-23-2009 |
20090206297 | OXYGEN EXCESS TYPE METAL OXIDE, CERAMIC FOR OXYGEN STORAGE AND/OR AN OXYGEN SELECTIVE MEMBRANE, AND METHODS AND APPARATUSES USING SAID METAL OXIDE - An oxygen excess type metal oxide expressed with the following formula (1) and exhibiting high speed reversible oxygen diffusibility whereby a large amount of excess oxygen is diffused at a high speed and reversibly in a low temperature region: | 08-20-2009 |
20100140536 | GALLIUM NITRIDE-BASED MATERIAL - A gallium nitride-based material prepared by a vertical Hydride Vapor Phase Epitaxial Growth method which has thermal conductivity of at least 2.8×10 | 06-10-2010 |
20100163782 | Carbon-Containing Metal-Based Composite Material and Manufacturing Method Thereof - A carbon-containing metal-based composite material and a manufacturing method thereof are provided. The carbon-containing metal-based composite material includes a plurality of graphites, a plurality of heat-conducting reinforcements and a metal matrix. The graphites occupy 35%˜90% in volume. The heat-conducting reinforcements are distributed between the graphites. The heat-conducting reinforcements and the graphites are self-bonded. The heat-conducting reinforcements occupy 5%˜30% in volume and have a thermal conductivity larger than 200 W/mK. The metal matrix is filled between the heat-conducting reinforcements and the graphites, and the metal matrix occupies 5%˜35% in volume. | 07-01-2010 |
20100171068 | ONE-STEP METHOD FOR THE PRODUCTION OF NANOFLUIDS - A one step method and system for producing nanofluids by a nanoparticle-source evaporation and deposition of the evaporant into a base fluid. The base fluid such oil or ethylene glycol is placed in a rotating cylindrical drum having an adjustable heater-boat-evaporator and heat exchanger-cooler apparatus. As the drum rotates, a thin liquid layer is formed on the inside surface of the drum. An insulated heater-boat-evaporator having an evaporant material (nanoparticle-source) placed within its boat evaporator is adjustably positioned near a portion of the rotating thin liquid layer, the evaporant material being heated thereby evaporating a portion of the evaporant material and forming nanoparticles, the nanoparticles absorbed by the liquid film to form nanofluid. | 07-08-2010 |
20100187467 | Aqueous solution for formation of clathrate hydrate, heat storage agent, method for producing clathrate hydrate or its slurry, heat accumulating and radiating method and method for preparing aqueous solution to produce latent heat storage agent or its major component - A heat-storage agent which can store a large quantity of cold heat in the temperature range of 3-5° C., is highly effective in preventing supercooling, and can retain the supercooling-preventing effect even when hydrate solidification/melting is frequently repeated. Also provided are an aqueous solution which enables the formation of a clathrate hydrate serving as a major component of the heat-storage agent, and a process for producing the clathrate hydrate. The aqueous solution contains at least one of tetra-n-butylammonium bromide and tri-n-butyl-n-pentylammonium bromide as a solute and contains tetraisopentylammonium bromide as a supercooling inhibitor, the weight proportion of the tetraisopentylammonium bromide to the tetra-n-butylammonium bromide and/or tri-n-butyl-n-pentylammonium bromide being in a given range. This aqueous solution is cooled to or below a hydrate formation temperature to thereby produce a clathrate hydrate. The heat-storage agent contains this clathrate hydrate as a major component. | 07-29-2010 |
20100200800 | FIBERS COMPRISING NANODIAMOND AND PLATINUM NANOCOLLOID, AND BEDDING FORMED THEREBY - Fibers containing nano-sized diamond and platinum nanocolloid, and bedding formed thereby. | 08-12-2010 |
20100207053 | CATALYST COMPOSITION FOR THE SYNTHESIS OF THIN MULTI-WALLED CARBON NANOTUBE AND ITS MANUFACTURING METHOD - The present invention relates to a catalyst composition for the synthesis of thin multi-walled carbon nanotube (MWCNT) and a method for manufacturing a catalyst composition. More particularly, this invention relates to a multi-component metal catalyst composition comprising i) main catalyst of Fe and Al, ii) inactive support of Mg and iii) optional co-catalyst at least one selected from Co, Ni, Cr, Mn, Mo, W, V, Sn, or Cu. Further, the present invention affords thin multi-walled carbon nanotube having 5˜20 nm of diameter and 100˜10,000 of aspect ratio in a high yield. | 08-19-2010 |
20100207054 | ALUMINA FIBER AGGREGATE, PROCESS FOR PRODUCING THE SAME, AND USE THEREOF - An object of the invention is to provide an alumina fiber aggregate which, when used as a filler in various materials such as, e.g., resins, coating materials, metals, and ceramics, enables the mixtures to have reduced viscosity and thereby heightens the productivity of products containing alumina fibers, and which enables cured thermosetting resins to have a sufficiently heightened thermal conductivity. | 08-19-2010 |
20100207055 | METAL-GRAPHITE COMPOSITE MATERIAL HAVING HIGH THERMAL CONDUCTIVITY AND PRODUCTION METHOD THEREFOR - The present invention provides a metal-graphite composite material favorable to two-dimensional diffusion of heat and having a high thermal conductivity in two axial directions, and a production method therefor. The metal-graphite composite material of the present invention includes: 20 to 80% by volume of a scaly graphite powder; and a matrix selected from the group consisting of copper, aluminium and alloys thereof, wherein the scaly graphite powder in which a normal vector to a scaly surface thereof is tilted at 20° or higher with respect to a normal vector to a readily heat-conducting surface of the metal-graphite composite material is 15% or less relative to a whole amount of the scaly graphite powder, and the metal-graphite composite material has a relative density of 95% or higher. | 08-19-2010 |
20100258760 | THERMAL STORAGE DEVICE AND USE OF MULTICOMPONENT SYSTEMS - A thermal storage device is provided which comprises at least one storage medium which is a multicomponent mixture having a melting range between the solid phase of the mixture and the liquid phase of the mixture extending over at least 10 K. | 10-14-2010 |
20100288967 | HIGH PERFORMANCE THERMOELECTRIC MATERIALS AND THEIR METHOD OF PREPARATION - The present invention provides an indium-doped Co | 11-18-2010 |
20100301260 | Thermal interface material having a patterned carbon nanotube array and method for making the same - A method for making a thermal interface material includes following steps. A substrate having a plurality of CNT arrays arranged thereon and a number of first interspaces defined between the CNT arrays is provided. A container is provided and the substrate with the CNT arrays is disposed into the container. A number of low melting point metallic nanoparticles is provided and filled in the first interspaces. The low melting point metallic nanoparticles in the container is heated into a liquid state, and the low melting point metal nanoparticles in liquid state is combined with the CNT arrays to form a composite material on the substrate. The composite material is peeled off from the substrate, and a thermal interface material is obtained. | 12-02-2010 |
20100308256 | BORON SUBOXIDE COMPOSITE MATERIAL - The invention provides a boron suboxide composite material comprising boron suboxide and a secondary phase, wherein the secondary phase contains a rare earth metal oxide. The rare earth metal oxide may be selected from the oxides of scandium, yttrium, which is preferred, and elements of the lanthanide series, and may be a mixture of rare earth metal oxides. The secondary phase may also include, in addition to the rare earth metal oxide(s), a further oxide or mixture of oxides of an element of the Groups IA, MA, MIA, and IVA of the periodic table. Moreover, the secondary phase may also contain a boride, and particularly a boride selected from the borides of transition metals of the fourth to eighth groups of the periodic table. | 12-09-2010 |
20100308257 | SYSTEM AND METHOD FOR PRODUCING AND DETERMINING COOLING CAPACITY OF TWO-PHASE COOLANTS - The invention provides systems and devices for producing two-phase coolants such as an ice slurry. Also provided are methods for producing two-phase coolants, and methods for using the two-phase coolants to lower the temperature or maintain a low temperature in any subject, system, object, device, or application where particular low temperatures are desired. Also provided are systems for determining the cooling capacity of two-phase coolants. | 12-09-2010 |
20100327217 | Clathrate hydrate with latent heat storing capability, process for producing the same, and apparatus therefor, latent heat storing medium, and method of increasing amount of latent heat of clathrate hydrate and processing apparatus for increasing amount of latent heat of clathrate hydrate - An apparatus for production of a clathrate hydrate with enhanced latent heat storing capability includes a gas supplier for supplying a gas to an aqueous solution containing a quaternary ammonium compound, and a cooler for cooling the aqueous solution, the apparatus producing the clathrate hydrate with enhanced latent heat storing capability including both the quaternary ammonium compound and the gas as guests by supplying the gas to the aqueous solution with the gas supplier in the stage of cooling with the cooler. | 12-30-2010 |
20110031435 | (METH)ACRYLIC PRESSURE-SENSITIVE ADHESIVE FOAM AND METHOD FOR PRODUCING THE SAME - A (meth)acrylic pressure-sensitive adhesive foam reduced in the amount of a foaming adjuvant compared with the conventional foam and having a high air bubble content, and a method for producing the same are provided. The foam includes a partial polymer having (a) one or more alkyl (meth)acrylate monomers having one reactive unsaturated group, the alkyl group having 12 or less carbon atoms, (b) a monomer for crosslinking, which is copolymerizable with the component (a), and (c) a copolymer of the component (a) and the component (b); a thermally conductive filler; and a foaming adjuvant containing surface modified nanoparticles having a particle diameter of 20 nm or less, wherein a crosslinked structure containing the component (c) is formed in the curable composition. | 02-10-2011 |
20110073797 | THERMOELECTRICS COMPOSITIONS COMPRISING NANOSCALE INCLUSIONS IN A CHALCOGENIDE MATRIX - Composites comprising a continuous matrix formed from compounds having a rock salt structure (represented by the structure “MQ”) and inclusions comprising chalcogenide compounds having a rock salt structure (represented by the structure “AB”) are provided. Composites having the structure MQ-ABC | 03-31-2011 |
20110079750 | COMPOUND SEMICONDUCTOR AND ITS MANUFACTURING METHOD, AND THERMOELECTRIC CONVERSION DEVICE USING THE SAME - Disclosed is a new compound semiconductor represented by the chemical formula: Bi | 04-07-2011 |
20110079751 | THERMOELECTRIC CONVERSION MATERIAL AND PRODUCING METHOD THEREOF, AND THERMOELECTRIC CONVERSION ELEMENT USING THE SAME - Thermoelectric conversion materials, expressed by the following formula: Bi | 04-07-2011 |
20110163258 | MIXTURES OF ALKALI METAL POLYSULFIDES - The present invention relates to mixtures of alkali metal polysulfides and to mixtures of alkali metal polysulfides and alkali metal thiocyanates, to processes for preparation thereof, to the use thereof as heat transfer or heat storage fluids, and to heat transfer or heat storage fluids which comprise the mixtures of alkali metal polysulfides or the mixtures of alkali metal polysulfides and alkali metal thiocyanates. | 07-07-2011 |
20110163259 | HEAT TRANSFER FLUIDS AND HEAT STORAGE FLUIDS FOR EXTREMELY HIGH TEMPERATURES BASED ON POLYSULFIDES - A composition for the transport and storage of heat energy, which comprises alkali metal polysulfides of the formula (Me1 | 07-07-2011 |
20110175017 | Heat Transfer Fluid Containing Nano-additive - A heat transfer fluid comprising a carrier fluid and a nano-additive is provided. The heat transfer fluid is manufactured by dispersing the nano-additive in the carrier fluid. The nano-additive comprises nano-particles having a porous structure that provides dispersion stability of the nano-additive in the heat transfer fluid. The nano-additive structure has an aspect ratio of about 1.0 to about 10,000, a porosity of about 40% to about 85%, a density of about 0.4 g/cc to about 3.0 g/cc, an average pore diameter of about 0.1 nanometer to about 100 nanometers, and a specific surface area of about 1 m | 07-21-2011 |
20110210285 | LIQUID ALKALI METAL WITH DISPERSED NANOPARTICLES AND METHOD OF MANUFACTURING THE SAME - The present invention relates to maintaining the fundamental physical properties of a liquid alkali metal with dispersed nanoparticles which is such that nanoparticles are uniformly dispersed and mixed in a liquid alkali metal used in heat exchange, cooling and other applications, and suppressing the reaction of the liquid alkali metal with dispersed nanoparticles. Provided is a method of manufacturing a liquid alkali metal with dispersed nanoparticles by dispersing nanoparticles in a liquid alkali metal. In this method, the nanoparticles are made of a metal having a large atomic bonding due to a combination with the liquid alkali metal compared to the atomic bonding of atoms of the liquid alkali metal and a metal having a large amount of charge transfer is used in the nanoparticles. The liquid alkali metal is selected from sodium, lithium and sodium-potassium alloys, and the nanoparticles to be dispersed are made of transition metals, such as titanium, vanadium, chromium, iron, cobalt, nickel and copper. | 09-01-2011 |
20110220840 | Fluid Viscosity and Heat Transfer Via Optimized Energizing of Multi-Walled Carbon Nanotube-Based Fluids - In select embodiments of the present invention, a method for optimizing thermal transfer capacity of a fluid employs multi-walled carbon nano-tubes (MWCNTs) and a surfactant such as Gum Arabic (GA), that are mixed into a fluid, such as water, according to a specific protocol and energized via ultrasound until a specified amount of total energy is applied. For select embodiments, the maximum demonstrated enhancement of an aqueous fluid in thermal conductivity is 20% and in convective heat Transfer is 32%. The thermal conductivity enhancement increased considerably at bulk temperatures greater than 24° C. The percentage enhancement in convective heat transfer in a tube increases with axial distance. The resultant optimized fluid is also described. | 09-15-2011 |
20110220841 | THERMAL AND/OR ELECTRICAL CONDUCTIVITY CONTROL IN SUSPENSIONS - Articles, systems, and methods involving the control of thermal and/or electrical conductivity in suspensions are generally described. | 09-15-2011 |
20110233457 | LIGHT EMITTING LAYER-FORMING SOLID MATERIAL, ORGANIC ELECTROLUMINESCENT DEVICE AND METHOD FOR PRODUCING THE SAME - A light emitting layer-forming solid material including at least one host material and at least one light-emitting material, wherein the light emitting layer-forming solid material is used for forming a white light emitting layer having a single layer structure by an evaporation method. | 09-29-2011 |
20110240911 | MOLYBDENUM SILICIDE COMPOSITE MATERIAL - A composite material based on a disilicide including molybdenum and zirconium dioxide, ZrO | 10-06-2011 |
20110248209 | THERMOELECTRIC FIGURE OF MERIT ENHANCEMENT BY MODIFICATION OF THE ELECTRONIC DENSITY OF STATES - A thermoelectric material and a method of using a thermoelectric material is provided. The thermoelectric material can include at least one compound. For example, the at least one compound may be a Group IV-VI compound such as lead telluride. The at least one compound may further include one or more dopants such as sodium, potassium, and thallium. The method of using a thermoelectric material can include exposing at least one portion of the at least one compound to a temperature greater than about 700 K. | 10-13-2011 |
20110248210 | Bulk-Processed, Enhanced Figure-Of-Merit Thermoelectric Materials - The invention is a bulk-processed thermoelectric material and a method for fabrication. The material measures at least 30 microns in each dimension and has a figure of merit (ZT) greater than 1.0 at any temperature less than 200° C. The material comprises at least two constituents; a host phase and a dispersed second phase. The host phase is a semiconductor or semimetal and the dispersed phase of the bulk-processed material is comprised of a plurality of inclusions. The material has a substantially coherent interface between the host phase and the dispersed phase in at least one crystallographic direction. | 10-13-2011 |
20110266493 | Method of forming encapsulated carbon nanotubes - The method of forming encapsulated carbon nanotubes includes first forming a calcium chloride solution and a sodium hydrogen carbonate solution. A volume of carbon nanotubes are added to the calcium chloride solution and the calcium chloride solution and the volume of carbon nanotubes are then mixed with the sodium hydrogen carbonate solution to form a supersaturated calcium carbonate solution. Carbon nanotubes embedded in calcium carbonate crystals are precipitated from the supersaturated calcium carbonate solution. The carbon nanotubes embedded in the calcium carbonate crystals, forming the precipitate, are then filtered from the solution. The filtered carbon nanotubes embedded in the calcium carbonate crystals are washed and then dried, producing a usable volume of carbon nanotubes encapsulated within calcium carbonate crystals. | 11-03-2011 |
20110297872 | P-TYPE THERMOELECTRIC MATERIALS, A PROCESS FOR THEIR MANUFACTURE AND USES THEREOF - A thermoelectric material of the p-type having the stoichiometric formula Zn | 12-08-2011 |
20120001117 | Self-Organising Thermoelectric Materials - In a process for producing thermoelectric materials with a polyphasic structure, in which particles of a first phase with a characteristic length of not more than 10 μm are present in homogeneous dispersion in a second phase, by self-assembly, an a least binary thermoelectric material is melted together with a metal which is not a component of the at least binary thermoelectric material, or a chalcogenide of said metal, and, after mixing, is cooled or bonded by reactive grinding. | 01-05-2012 |
20120025130 | HIGH-Ph SYNTHESIS OF NANOCOMPOSITE THERMOELECTRIC MATERIAL - A process for forming thermoelectric nanoparticles includes the steps of providing a core material and a bismuth containing compound in a reverse micelle; providing a tellurium containing compound either in or not in a reverse micelle; reacting the bismuth containing compound with the tellurium containing compound in the presence of a base, forming a composite thermoelectric nanoparticle having a core and shell structure. | 02-02-2012 |
20120025131 | CONDUCTIVE PREPARATION AND METHOD FOR THE PRODUCTION THEREOF - The present invention relates to a conductive preparation, in particular an electrically and/or thermally conductive preparation, which is characterized in that it has a first, at least temporarily, liquid phase and at least one, preferably at least two conductive additive(s) provided in the first phase. A method for producing a conductive preparation of this type is characterized by the following steps: A) Providing a first, at least temporarily, liquid phase; B) Adding at least one conductivity additive, preferably at least two conductivity additives into the first phase; C) Mixing the first phase and the at least one conductivity additive into a homogeneous state. | 02-02-2012 |
20120032107 | CONCRETE MIXTURE AND METHOD OF FORMING THE SAME - A concrete mixture for forming a breathable concrete. The mixture comprises aggregate particles and a paste comprising water, cement or cement substitute, and plasticiser. The plasticiser controls the viscosity of the paste such that the paste forms a substantially uniform layer coating the particles, with the coated particles in contact, whilst allowing spaces to be retained there between. These spaces interconnect forming channels through the concrete, allowing air to permeate there through such that the concrete exhibits good dynamic insulation properties, whist retaining structural strength. | 02-09-2012 |
20120056125 | INORGANIC SALT HEAT TRANSFER FLUID - Several systems of low melting point mixtures of inorganic salts are disclosed. These compositions can have liquidus temperatures less than 80° C. and thermal stability limits greater than 500° C. | 03-08-2012 |
20120153215 | HEAT-EMITTING GRAPHITE MATERIAL COMPRISING AMORPHOUS CARBON PARTICLES AND A PRODUCTION METHOD THEREFOR - This invention relates to a heat control system for dissipating heat generated from for example electronic equipment, and more specifically to an effective heat-emitting material which can drastically improve not only heat diffusion in the planar direction but also heat conductivity in the perpendicular direction by filling the pores of exfoliated graphite sheets with amorphous carbon particles, and to a method of manufacturing the same. The amorphous carbon particles are thermally isotropic, and have a structure composed of microcrystals of graphite and diamond and preferably have a size of 10˜110 nm. | 06-21-2012 |
20120175547 | COMPOUND MATERIAL COMPRISING A METAL AND NANOPARTICLES - The present invention relates to compound materials comprising a metal and nanoparticles, in particular carbon nano tubes (CNT), characterized in that the compound has a metal crystallite structure of crystallites having an average size which is in the range of higher than 100 nm and up to 200 nm, preferably between 120 nm and 200 nm. | 07-12-2012 |
20120205577 | Compositions for Improving Thermal Conductivity of Cement Systems - A method of cementing in a subterranean formation comprises placing a cement composition comprising a non-metallic thermally conductive fiber into the subterranean formation, and allowing the composition to set therein, wherein the non-metallic thermally conductive fiber has a thermal conductivity greater than about 500 W/m.K. Another method of cementing in a subterranean formation comprises providing a cement composition comprising a pitch-based carbon fiber, a hydraulic cement material, and water, placing the cement composition in a formation, and allowing the cement composition to set therein, wherein said pitch-based carbon fiber has a density of from about 2.0 grams/cc to about 2.3 grams/cc. A cement composition comprising a cementitious material, water, and a non-metallic thermally conductive fiber having a thermal conductivity greater than about 500 W/m.K, or a pitch-based carbon fiber having a density of from about 2.0 grams/cc to about 2.3 grams/cc. | 08-16-2012 |
20120217433 | ELECTRODE MATERIAL FOR ELECTRODE OF SPARK PLUG - An electrode material to be used for producing an earth electrode of a spark plug has a chemical composition of 0.3 to 3.0 mass % of Si, 0.01 to 0.3 mass % of one or more elements selected from the group consisting of Y and rare earth elements, not more than 0.5 mass % of Ti, not more than 1.2 mass % of Fe, and one or both of not more than 0.20 mass % of Ca and not more than 0.08 mass % of Mg. The electrode material further contains C, Mn, Cr, Al, N, S, a remainder Ni, and incidental impurities. In a total content of C, Mn, Cr, Al, N and S, C is not more than 0.1 mass %, Mn is less than 0.5 mass %, Cr is less than 0.5 mass %, Al is not more than 0.3 mass %, N is not more than 0.05 mass %, and S is not more than 0.03 mass %. | 08-30-2012 |
20120273713 | METHOD FOR PROPORTIONING NITRATES AND/OR NITRITES IN A NEUTRAL MEDIUM - A method is provided for preparing solid or thin-film single-crystals of cubic sesquioxides (space group no. 206, Ia-3) of scandium, yttrium or rare earth elements doped with lanthanide ions with valence +III, using a high-temperature flux growth technique, and to the various uses of the single-crystals obtained according to said method, in particular in the field of optics. | 11-01-2012 |
20120298910 | SINTERED OBJECTS AND PROCESSES FOR PRODUCING SAME - Provided is a sintered object which has excellent resistance to corrosion by corrosive halogen gases and by the plasmas thereof and has excellent thermal conductivity and excellent electrical conductivity. Even when applied to members for use in various vacuum process devices, the sintered object has few limitations on design. The sintered object is usable in a wide range of applications, and is highly versatile. Also provided is a method for producing the sintered object. Furthermore provided is a high-frequency transmission material which has direct-current electrical conductivity for reducing fluctuations in plasma potential and has capacitive properties that enable the material to transmit high-frequency power necessary for plasma excitation, and which has no fear of causing contamination of a sample with a metal and has resistance to corrosion by plasmas. Still further provided are: a sintered object which has excellent resistance to corrosion by corrosive halogen gases and by the plasmas thereof and has no frequency dependence when a high-frequency voltage is applied thereto and with which it is possible to actualize the stability of a plasma; and a method for producing the sintered object. | 11-29-2012 |
20120305833 | THERMOELECTRIC CONVERSION MATERIAL AND METHOD FOR PRODUCING THERMOELECTRIC CONVERSION MATERIAL - An n-type thermoelectric conversion material that has a high Seebeck coefficient, a low electric resistivity, and a large power factor includes, as its main constituent, a metal material mainly containing Ni, and includes an oxide material containing Sr, Ti, and a rare-earth element in the range of about 10 wt % to about 30 wt %. The oxide material is a SrTiO | 12-06-2012 |
20120326075 | METHOD OF PRODUCING THERMOELECTRIC MATERIAL - A process for manufacturing a nanocomposite thermoelectric material having a plurality of nanoparticle inclusions. The process includes determining a material composition to be investigated for the nanocomposite thermoelectric material, the material composition including a conductive bulk material and a nanoparticle material. In addition, a range of surface roughness values for the insulating nanoparticle material that can be obtained using current state of the art manufacturing techniques is determined. Thereafter, a plurality of Seebeck coefficients, electrical resistivity values, thermal conductivity values and figure of merit values as a function of the range of nanoparticle material surface roughness values is calculated. Based on these calculated values, a nanocomposite thermoelectric material composition or ranges of compositions is/are selected and manufactured. | 12-27-2012 |
20130048903 | METHODS OF PRODUCING CONTINUOUS BORON CARBIDE FIBERS, CONTINUOUS BORON CARBIDE FIBERS, CONTINUOUS FIBERS COMPRISING BORON CARBIDE, AND ARTICLES INCLUDING FIBERS COMPRISING AT LEAST A BORON CARBIDE COATING - Methods of producing continuous boron carbide fibers. The method comprises reacting a continuous carbon fiber material and a boron oxide gas within a temperature range of from approximately 1400° C. to approximately 2200° C. Continuous boron carbide fibers, continuous fibers comprising boron carbide, and articles including at least a boron carbide coating are also disclosed. | 02-28-2013 |
20130056675 | COLLOIDAL DISPERSION OF ALUMINIUM OXIDE - The invention relates to a heat-transporting fluid and to the use thereof. The heat-transporting fluid of the invention is formed of an aqueous colloidal sol including water and up to 58.8 wt %, relative to the total fluid weight, in a-Al2O3 particles, the thickness of which is the smallest dimension and less than or equal to 30 nm 90% to 95% of said a-Al2O3 particles have a size less than or equal to 210 nm, among which 50% have a size less than or equal to 160 nm. The invention is of use in the field of cooling, in particular nuclear reactor backup cooling. | 03-07-2013 |
20130105725 | THERMOELECTRIC MATERIAL, THERMOELECTRIC DEVICE USING THE SAME, AND METHOD OF MANUFACTURING THEREOF | 05-02-2013 |
20130153819 | THERMOELECTRIC COMPOSITE MATERIAL - An embodiment of the present disclosure provides a thermoelectric composite material including: a thermoelectric matrix including a thermoelectric material; and a plurality of nano-carbon material units located in the thermoelectric matrix and spaced apart from each other, wherein a spacing between two neighboring nano-carbon material unit is about 50 nm to 2 μm. | 06-20-2013 |
20130187079 | PROCESS FOR DESIGNING AND PRODUCING COOLING FLUIDS - The present invention provides a process for designing and producing a cooling fluid for use in a cooling system. The process uses molecular dynamics to calculate the thermal properties of one or more fluid-nanoparticle solutions, and thereby aids in the study, selection and/or production of desired cooling fluids based on first principle simulations. | 07-25-2013 |
20130207026 | Highly Conductive Carbon Nanotube Having Bundle Moieties With Ultra-Low Bulk Density and Its Manufacturing Method - The present invention relates to a highly conductive carbon nanotube having bundle moieties with ultra low apparent density less than 0.01 g/cc. More specifically, this invention relates to a highly conductive carbon nanotube prepared by following preparation steps of i) preparing the sphere shape of metal catalyst by spray pyrolysis of catalytic metal precursor solution including low molecular weight polymer, ii) synthesizing carbon nanotube using carbon source and obtained metal catalyst according to thermal chemical vapor deposition method; and iii) obtaining a highly conductive carbon nanotube having bundle moieties with ultra-low bulk apparent density. | 08-15-2013 |
20130221266 | PREPARATION METHOD OF CARBON MODIFIED FILLER - A preparation method of carbon modified filler is provided. The method is: putting the fillers into the reaction zone of a reactor, starting the first heating-up to 400-500° C. under the protective atmosphere at first, then introducing hydrogen after the heating-up; starting the second heating-up to 600-1200° C. after introducing hydrogen and simultaneously introducing the mixture of hydrogen and carbon source gas, keeping at the terminal temperature for 0.1-5 hours, introducing nitrogen and stopping heating after the reaction, cooling, and then getting the carbon modified filler. The above method can obtain a friction material with good mechanical properties, excellent friction and wear performances, stable friction coefficient at high temperature, good braking force and no heat recession. | 08-29-2013 |
20130264514 | NITRATE SALT COMPOSITIONS COMPRISING ALKALI METAL CARBONATE AND THEIR USE AS HEAT TRANSFER MEDIUM OR HEAT STORAGE MEDIUM - Nitrate salt composition comprising as significant constituents | 10-10-2013 |
20130284970 | HEAT TRANSFER MEDIUM FOR SOLAR THERMAL SYSTEMS - A heat transfer medium for solar thermal systems, a solar salt, contains nitrate salts. By admixing Ba and/or Sr are added to Li—Na—K—NO | 10-31-2013 |
20130341555 | METHOD OF FABRICATING LIQUID-METAL COOLANTS FOR NUCLEAR REACTORS - A method of fabricating a liquid-metal coolant includes adding nanoparticles to the liquid-metal coolant to change neutronic properties of the liquid-metal coolant. The nanoparticles have neutronic properties different from that of the liquid-metal coolant. | 12-26-2013 |
20140001399 | MIXTURE OF INORGANIC NITRATE SALTS | 01-02-2014 |
20140124700 | ALN Substrate And Method For Producing Same - An AlN substrate with excellent heat transfer efficiency between it and another member to be bonded to a bonding surface of the AlN substrate. The AlN substrate is composed of an AlN sintered body containing group 2A and 3A elements, and the surface roughness Ra of the bonding surface is 3 nm or less, and, in voids having long diameters of 0.25 μm or more, the mean value is 1.5 μm or less, and the maximum value is 1.8 μm or less. A method for producing the AlN substrate includes sintering a precursor formed of a sintering material that contains 88.7 to 98.5 mass % with respect to AlN, 0.01 to 0.3 mass % with respect to a group 2A element in oxide equivalent, and 0.05 to 5 mass % with respect to a group 3A element in oxide equivalent to form a sintered body, and applying HIP treatment onto the sintered body. | 05-08-2014 |
20140145107 | Heat Exchangers Using Metallic Foams on Fins - Heat exchanger. Metallic foam is disposed on at least one fin made of high thermal conductivity material. The metallic foam exchanges heat with a gas stream flowing therethrough. | 05-29-2014 |
20140166924 | INORGANIC SALT HEAT TRANSFER FLUID - Several systems of low melting point mixtures of inorganic salts are disclosed. These compositions can have liquidus temperatures less than 80° C. and thermal stability limits greater than 500° C. | 06-19-2014 |
20140175328 | PROCESS FOR UNIFORM AND HIGHER LOADING OF METALLIC FILLERS INTO A POLYMER MATRIX USING A HIGHLY POROUS HOST MATERIAL - In one aspect, embodiments are provided of metal coated fillers that include porous filler particles having pores and metal particles coated on the filler particles and inside the pores. In an exemplary embodiment, the weight of metal particles on the porous filler particles and inside the pores may range from 100 percent to 400 percent of the weight of the porous filler particles. The porous filler particles may have a porosity from 30 percent to 99 percent. | 06-26-2014 |
20140197353 | GRAPHENE/CERAMIC NANOCOMPOSITE POWDER AND A PRODUCTION METHOD THEREFOR - The embodiments described herein pertain generally to graphene/ceramic nanocomposite powder including a matrix ceramic; and graphene dispersed in the matrix ceramic and a preparation method thereof, and a graphene/ceramic nanocomposite material including the graphene/ceramic nanocomposite powder and a preparation method thereof. | 07-17-2014 |
20140231698 | REACTION MATERIAL AND CHEMICAL HEAT PUMP - A reaction material for a chemical heat pump includes type III anhydrous gypsum, a magnesium compound, and Ca | 08-21-2014 |
20140353541 | WORKING FLUID AND MANUFACTURING METHOD OF METAL NANO-PARTICLES - A working fluid in cooperation with a solar thermal system comprises a heat conduction medium and a plurality of metal nano-particles mixed in the heat conduction medium. Each of the metal nano-particles includes a metal particle and a protection layer, and the protection layer is an oxide and covers the metal particle. A manufacturing method of metal nano-particles is also disclosed. | 12-04-2014 |
20140353542 | Non-cfc refrigerant mixture for use in multistage auto cascade systems - A refrigerant mixture for use in multistage auto cascade ultralow and cryogenic temperature refrigeration systems. Particularly, the present invention relates to a refrigerant mixture comprising one hydrochlorofluorocarbon (HCFC) and the major proportion includes hydrofluorocarbons (HFC), fluorocarbons, hydrocarbons and natural gases. More particularly, the present invention relates to non-flammable, non-toxic refrigerant mixture having no chlorofluorocarbon (CFC). Further, the present invention aims in providing a refrigerant mixture having low Ozone Depleting Potential (ODP) combined with low Global Warming Potential (GWP). | 12-04-2014 |
20150069287 | THERMALLY CONDUCTIVE, PLATE-SHAPED PIGMENT COATED WITH ALUMINIUM OXIDE - The present invention relates to thermally conductive pigments which consist of a substrate and a coating applied thereto comprising aluminium oxide and/or aluminium oxide hydrate, to a process for the preparation of these pigments, and to the use thereof. | 03-12-2015 |
20150069288 | HEXAGONAL BORON NITRIDE NANOSHEET/CERAMIC NANOCOMPOSITE POWDER AND PRODUCING METHOD OF THE SAME, AND HEXAGONAL BORON NITRIDE NANOSHEET/CERAMIC NANOCOMPOSITE MATERIALS AND PRODUCING METHOD OF THE SAME - The present disclosure relates to hexagonal boron nitride nanosheet/ceramic nanocomposite powder including surface-modified hexagonal boron nitride nanosheets which serve as a reinforcing agent for the matrix ceramic, and a method for producing the same, and a hexagonal boron nitride nanosheet/ceramic nanocomposite material including the hexagonal boron nitride nanosheet/ceramic nanocomposite powder and a method for producing the same. | 03-12-2015 |
20150115195 | CARBON-CARBON COMPOSITES - A process for preparing a carbon-carbon composite including the steps of: (a) providing a curable low viscosity aromatic epoxy resin liquid formulation, wherein the formulation has a neat viscosity of less than 10,000 mPa-s at 25° C. prior to adding optional components, prior to curing, and prior to carbonizing; and wherein the formulation being cured has a carbon yield of at least 35 wt % disregarding the weight of the carbon matrix and any optional components present in the composition; (b) contacting a carbon matrix with the formulation of step (a); (c) curing the contacted carbon matrix of step (b); and (d) carbonizing the cured carbon matrix of step (c) to form a carbon-carbon composite; and a carbon-carbon composite made by the process. | 04-30-2015 |
20150144834 | STRUCTURALLY ENHANCED PLASTICS WITH FILLER REINFORCEMENTS - A composition comprising a fluid, and a material dispersed in the fluid, the material made up of particles having a complex three dimensional surface area such as a sharp blade-like surface, the particles having an aspect ratio larger than 0.7 for promoting kinetic boundary layer mixing in a non-linear-viscosity zone. The composition may further include an additive dispersed in the fluid. The fluid may be a thermopolymer material. A method of extruding the fluid includes feeding the fluid into an extruder, feeding additives into the extruder, feeding a material into the extruder, passing the material through a mixing zone in the extruder to disperse the material within the fluid wherein the material migrates to a boundary layer of the fluid to promote kinetic mixing of the additives within the fluid, the kinetic mixing taking place in a non-linear viscosity zone. | 05-28-2015 |
20150305211 | LIGHT WEIGHT CARBON FOAM AS ELECTROMAGNETIC INTERFERENCE (EMI) SHIELDING AND THERMAL INTERFACE MATERIAL - The present invention deals with the development of light weight carbon foam from coal tar pitch as electromagnetic interference (EMI) shielding and thermal interface material for aerospace and aircraft systems protection. The carbon foam developed from mixing the MWCNTs in starting material in different weight fraction and also MWCNTs decorated on the carbon foam by chemical vapor deposition technique gives improved electromagnetic interference (EMI) shielding. | 10-22-2015 |
20150322323 | WORKING FLUID AND MANUFACTURING METHOD OF METAL PARTICLES - A working fluid in cooperation with a solar thermal system comprises a heat conduction medium and a plurality of metal particles mixed in the heat conduction medium. Each of the metal particles includes a metal particle and a protection layer, and the protection layer is an oxide and covers the metal particle. A manufacturing method of metal particles is also disclosed. | 11-12-2015 |
20150344762 | USE OF A CALCIUM POTASSIUM NITRATE SALT FOR THE MANUFACTURE OF A HEAT TRANSFER FLUID - The present invention relates to the use of a double salt of Ca(NO | 12-03-2015 |
20150353361 | METHOD FOR PRODUCING RANDOM-STRUCTURE GIC, METHOD FOR PRODUCING EXFOLIATED GRAPHITE DISPERSION LIQUID, EXFOLIATED GRAPHITE DISPERSION LIQUID, AND EXFOLIATED GRAPHITE - The present invention provides a method for producing a random-structure GIC in which exfoliated graphite having a low regularity of a graphene stacked state and a small number of stacked graphene layers can be easily obtained by exfoliation treatment. The method includes the steps of providing an alkali metal-GIC having an alkali metal intercalated between graphene layers and bringing a polar protic solvent into contact with the alkali metal-GIC in a non-oxidizing atmosphere. | 12-10-2015 |
20150368534 | QUARTZ SAND/GRAPHITE COMPOSITE MOLTEN SALT HEAT TRANSFER AND HEAT STORAGE MEDIUM AND PREPARATION METHOD THEREOF - The present invention relates to the solar photo-thermal power generation technology. Provided is a quartz sand/graphite composite molten salt heat transfer and heat storage medium and a preparation method thereof. The medium is characterized in that it is prepared by adding quartz sand into an existing common heat transfer and heat storage molten salt system for compounding. Hot stability of the obtained heat transfer and heat storage medium is generally improved, an application temperature range is expanded, causticity is reduced, and a service life of a device is greatly prolonged. In addition, a material cost is low. | 12-24-2015 |
20150376487 | NANOMETER MOLTEN SALT HEAT-TRANSFER AND HEAT-STORAGE MEDIUM, PREPARATION METHOD AND USE THEREOF - The present invention provides a nano molten salt heat transfer and heat storage medium, the method of preparation and the application, which belongs to the technical sector of heat storage and transfer. The nano molten salt heat transfer and heat storage medium of the invention means that the metal oxide nano-particles and/or non-metal oxide nano particles are dispersed in the conventional molten salt system to form the nano molten salt heat transfer and heat storage medium by composition. The heat transfer and heat storage medium provided by the invention has the good thermal stability and high thermal conductivity, which is ideally suited for industrial energy storage, thermal storage and transfer system of solar thermal power generation. | 12-31-2015 |
20160045882 | NANOFLUID WITH NANOPARTICLE-DECORATED MULTIWALL CARBON NANOTUBES AND METHOD OF PREPARATION THEREOF - A nanofluid includes a base fluid and multiwall carbon nanotubes (MWCNTs) dispersed in the base fluid. The MWCNTs have an outer surface provided with polar functional groups. The outer surface has decorated portions covered with nanoparticles and undecorated portions where the polar functional groups are exposed. A method prepares a nanofluid. In a first step, MWCNTs are grown on substrates by catalyst-free thermal chemical vapor deposition. In the following step, the MWCNTs' outer surface is functionalized to form polar functional groups covalently bonded thereto. Then, nanoparticles are deposited on the MWCNTs' outer surface such that the outer surface has decorated portions covered with the nanoparticles, while leaving undecorated portions where the polar functional groups are exposed. The resulting nanoparticle-decorated functionalized MWCNTs are then detached from the substrates and dispersed in a base fluid. | 02-18-2016 |
20160060499 | HEAT STORAGE SYSTEM - A heat storage system is provided that can reduce a decrease in heat transfer caused by a heat storage material in a solid phase. A heat storage system having a minimum heat storage temperature T | 03-03-2016 |
20160102235 | Phase-Transition-Based Thermal Conductivity in Anti-Ferroelectric Materials - Thermal conductivity can be altered by applying an electric field to an antiferroelectric material or a pressure to a ferroelectric material, thereby inducing a phase transition. The materials have compositions close to a phase boundary separating the ferroelectric and antiferroelectric phases, such as PbZr | 04-14-2016 |
20160115032 | GRAPHENE WITH VERY HIGH CHARGE CARRIER MOBILITY AND PREPARATION THEREOF - The present invention relates to a graphene film, which is obtainable by a method comprising the steps of: a) providing a substrate, b) epitaxially growing a metal layer on a surface of the substrate, c) optionally increasing the thickness of the metal layer obtained in step b) by growing a metal onto the epitaxially grown metal layer, d) peeling off the metal layer obtained in step b) or optionally in step c) from the substrate and e) depositing graphene onto at least a part of that surface of the metal layer obtained in step d), which was in contact with the substrate before the peeling off conducted in step d). Such a graphene film has a very high charge carrier mobility, namely, when measured on a SiO | 04-28-2016 |
20160115363 | COMPOSITE GRAPHITE HEAT INSULATING MATERIAL CONTAINING HIGH-DENSITY COMPRESSED AND EXPANDED GRAPHITE PARTICLES AND METHOD FOR MANUFACTURING SAME - Disclosed are a composite graphite heat insulating material with improved thermal conductivity in the thickness direction and a method for manufacturing the same. The composite graphite heat insulating material according to the present invention comprises: an expanded graphite matrix which is compressed in the thickness direction; and high-density compressed and expanded graphite particles which are filled in the pores within the compressed and expanded graphite matrix and have a density of 0.1 g/cm | 04-28-2016 |
20160122252 | BORON CARBIDE FIBER REINFORCED ARTICLES - Methods of producing continuous (or discontinuous) boron carbide fibers. The method comprises reacting a continuous or discontinuous carbon fiber material and a boron oxide gas within a temperature range of from approximately 1400° C. to approximately 2200° C. Articles including such partially or fully converted fibers may be provided, including such reinforcing fibers in a matrix of ceramic (a CMC), in metal (a MMC), or other matrix (e.g., polymer, etc.). | 05-05-2016 |
20160133279 | DEVICES INCLUDING A NEAR FIELD TRANSDUCER (NFT) WITH NANOPARTICLES - Devices that include a near field transducer (NFT) including a crystalline plasmonic material having crystal grains and grain boundaries; and nanoparticles disposed in the crystal grains, on the grain boundaries, or some combination thereof, wherein the nanoparticles are oxides of, lanthanum (La), barium (Ba), strontium (Sr), erbium (Er), hafnium (Hf), germanium (Ge), or combinations thereof; nitrides of zirconium (Zr), niobium (Nb), or combinations thereof; or carbides of silicon (Si), aluminum (Al), boron (B), zirconium (Zr), tungsten (W), titanium (Ti), niobium (Nb), or combinations thereof. | 05-12-2016 |
20160137555 | Ceramic Material and Thermal Switch - A ceramic material has a characteristic length L | 05-19-2016 |
20160137899 | RADIATOR ADDITIVE AND METHOD OF USE THEREOF - A radiator additive which can significantly improve automobile fuel efficiency by adding only slightly to a coolant of a radiator is newly provided. The radiator additive according to the present invention is a radiator additive including a colloidal solution that includes platinum nanoparticles and/or gold nanoparticles having an average particle diameter of 1 to 10 nm, and can improve fuel efficiency of an internal combustion engine by adding to the coolant so as to constitute at least 1% of the volume of the coolant added into the radiator for cooling the internal combustion engine. | 05-19-2016 |
20160185603 | LARGE SCALE PRODUCTION OF THINNED GRAPHITE, GRAPHENE, AND GRAPHITE-GRAPHENE COMPOSITES - Embodiments described herein relate generally to large scale synthesis of thinned graphite and in particular, few layers of graphene sheets and graphene-graphite composites. In some embodiments, a method for producing thinned crystalline graphite from precursor crystalline graphite using wet ball milling processes is a disclosed herein. The method includes transferring crystalline graphite into a ball milling vessel that includes a grinding media. A first and a second solvent are transferred into the ball milling vessel and the ball milling vessel is rotated to cause the shearing of layers of the crystalline graphite to produce thinned crystalline graphite. | 06-30-2016 |
20160200956 | Strontium Bromide Phase Change Material | 07-14-2016 |
20160251557 | LATENT HEAT TRANSFER MATERIAL MICRO-ENCAPSULATED IN HARD SHELL, AND PRODUCTION METHOD FOR SAME | 09-01-2016 |