| Entries |
| Document | Title | Date |
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| 20080213119 | Process for the Manufacture of Tooth Parts from Dental Grade Metal Powder - When producing tooth replacements from metal, the conventional method of casting is almost exclusively employed, even though said method is a relatively complicated one. The object of the invention is therefore to make available a method that is considerably simpler. In this method, an aqueous suspension, still containing microcrystalline wax and ethoxylated alcohols, is generated with the dental-grade metal powder. The metal powder is deposited on a model by electrophoresis, resulting, for example, in the formation of a cap ( | 09-04-2008 |
| 20080226488 | PRODUCTION OF HIGH-PURITY NIOBIUM MONOXIDE AND CAPACITOR PRODUCTION THEREFROM - The present invention relates to high-purity niobium monoxide powder (NbO) produced by a process of combining a mixture of higher niobium oxides and niobium metal powder or granules; heating and reacting the compacted mixture under controlled atmosphere to achieve temperature greater than about 1945° C., at which temperature the NbO is liquid; solidifying the liquid NbO to form a body of material; and fragmenting the body to form NbO particles suitable for application as capacitor anodes. The NbO product is unusually pure in composition and crystallography, and can be used for capacitors and for other electronic applications. The method of production of the NbO is robust, does not require high-purity feedstock, and can reclaim value from waste streams associated with the processing of NbO electronic components. The method of production also can be used to make high-purity NbO | 09-18-2008 |
| 20090185942 | Fabrication of advanced thermoelectric materials by hierarchical nanovoid generation - A novel method to prepare an advanced thermoelectric material has hierarchical structures embedded with nanometer-sized voids which are key to enhancement of the thermoelectric performance. Solution-based thin film deposition technique enables preparation of stable film of thermoelectric material and void generator (voigen). A subsequent thermal process creates hierarchical nanovoid structure inside the thermoelectric material. Potential application areas of this advanced thermoelectric material with nanovoid structure are commercial applications (electronics cooling), medical and scientific applications (biological analysis device, medical imaging systems), telecommunications, and defense and military applications (night vision equipments). | 07-23-2009 |
| 20090285712 | METAL POWDER - The present invention relates to a metal powder mixture that is suitable for producing sintered bodies. The powder mixture is suitable as a binder for hard metals and contains: a) at least one prealloyed powder selected from the group of iron/nickel, iron/cobalt, iron/nickel/cobalt and nickel/cobalt; b) at least one element powder selected from the group of iron, nickel and cobalt or a prealloyed powder selected from the group consisting of iron/nickel, iron/cobalt, iron/nickel/cobalt and nickel/cobalt which is different from component a). The invention also relates to a cemented hard material which uses the inventive powder mixture and a hard material powder, wherein the overall composition of the components a) and b) together contains not more than 90% by weight of cobalt and not more than 70% by weight of nickel and the iron content. | 11-19-2009 |
| 20100021335 | METHOD AND MACHINE OF MAKING RARE-EARTH ALLOY GRANULATED POWDER AND METHOD OF MAKING RARE-EARTH ALLOY SINTERED BODY - A method of making a rare-earth alloy granulated powder according to the present invention includes the steps of: preparing a rare-earth alloy powder; generating remnant magnetization in the powder; and granulating the powder by utilizing agglomeration force produced by the remnant magnetization of the powder. Since the agglomeration force produced by the remnant magnetization is utilized, the addition of a granulating agent may be omitted. | 01-28-2010 |
| 20100068088 | HOT BRIQUETTE IRON AND METHOD FOR PRODUCING THE SAME - Hot briquette iron includes a plurality of reduced iron particles which are bonded to each other by hot forming, wherein the reduced iron particles each have a surface region having an average carbon content of 0.1 to 2.5% by mass and a central region positioned inside the surface region and having an average carbon content higher than that of the surface region. | 03-18-2010 |
| 20100080726 | COMPOSITION AND METHODS OF PREPARATION OF TARGET MATERIAL FOR PRODUCING RADIONUCLIDES - A composition suitable for use as a target containing antimony to be irradiated by accelerated charged particles (e.g., by protons to produce tin- | 04-01-2010 |
| 20100111746 | RAW MATERIAL ALLOY FOR R-T-B SYSTEM SINTERED MAGNET, R-T-B SYSTEM SINTERED MAGNET AND PRODUCTION METHOD THEREOF - It is an object of the present invention to obtain a highly coercive R-T-B system sintered magnet by making the crystal microstructure of a raw material alloy prepared by strip casting more uniform, thereby making the crushed powder obtained from such raw material alloy more fine and making the size distribution more narrow. The present invention provides a raw material alloy for an R-T-B system sintered magnet containing grains of an R | 05-06-2010 |
| 20100143177 | Method for forming high strength aluminum alloys containing L12 intermetallic dispersoids - A method and apparatus produces high strength aluminum alloys from a powder containing L1 | 06-10-2010 |
| 20110070118 | METHOD FOR MAKING NdFeB SINTERED MAGNET AND MOLD FOR MAKING THE SAME - A mold which is inexpensive and easy to process and does not embrittle. Also provided is a process by which a sintered. NdFeB magnet can be produced using the mold without suffering bending or deformation. At least part (e.g., a bottom plate) of the mold is made of a carbon material. Carbon materials have lower friction with a sinter during sintering than metals. The mold hence enables a sintered NdFeB magnet to be produced without suffering the bending or deformation caused by friction due to sintering shrinkage. Carbon materials are inexpensive and easy to process. The mold does not embrittle even when repeatedly used. Such effects can be significantly produced when a carbon material is used as the bottom plate, on which the load of the sinter is imposed during sintering. | 03-24-2011 |
| 20120128523 | CLAY-LIKE COMPOSITION FOR FORMING SINTERED COPPER BODY, POWDER FOR CLAY-LIKE COMPOSITION FOR FORMING SINTERED COPPER BODY, METHOD OF MANUFACTURING CLAY-LIKE COMPOSITION FOR FORMING SINTERED COPPER BODY, SINTERED COPPER BODY, AND METHOD OF MANUFACTURING SINTERED COPPER BODY - A clay-like composition for forming a sintered copper body of the present invention includes a powder constituent containing a copper-containing metal powder which contains copper and a copper-containing oxide powder which contains copper; a binder; and water, wherein the amount of oxygen contained in the powder constituent is in a range of from 4 mass % to 8 mass %. | 05-24-2012 |
| 20120282130 | Method for producing permanent magnet materials and resulting materials - A carbothermic reduction method is provided for reducing a rare earth element-containing oxide including at least one of neodymium (Nd) and praseodymium (Pr) and possibly other rare earth elements (La, Ce, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Sc, and Y) as alloying agents in the presence of carbon and a source of a reactant element including one or more of silicon, germanium, tin, lead, arsenic, antimony and bismuth to form a rare earth element-containing intermediate alloy as a master alloy for making permanent magnet material. The process is a more efficient, lower cost and environmentally friendly technology than current methods of manufacturing rare earth metals. The intermediate material is useful as a master alloy for making a permanent magnet material comprising at least one of neodymium and praseodymium, and possibly other rare earth metals as alloying additives. | 11-08-2012 |
| 20120315178 | NANO-GRAINED NICKEL TITANIUM ALLOY FOR IMPROVED INSTRUMENTS - The systems and methods of this patent application are directed to producing a composition of nano-grained NiTi (Ni—nickel, Ti—titanium) alloy for use in producing nano-grained wires. Nano-grained wires, for example, are used to generate medical instruments such as an endodontic instrument. A specific method of producing the nano-grained composition includes preparing a mixture of nickel (Ni) powder and titanium (Ti) powder. The mixture of nickel powder and titanium powder is sintered to produce a nano-grained NiTi alloy. In one embodiment, an endodontic instrument is formed using the nano-grained NiTi alloy and heat-treated. | 12-13-2012 |
| 20130071284 | TITANIUM ALLOY COMPLEX POWDER CONTAINING COPPER POWDER, CHROMIUM POWDER OR IRON POWDER, TITANIUM ALLOY MATERIAL CONSISTING OF THIS POWDER, AND PROCESS FOR PRODUCTION THEREOF - A process for production of titanium alloy material has steps of hydrogenating titanium alloy material to generate hydrogenated titanium alloy; grinding, sifting and dehydrogenating the hydrogenated titanium alloy powder to generate titanium alloy powder; adding at least one of copper powder, chromium powder or iron powder to obtain titanium alloy complex powder; consolidating the titanium alloy complex powder by CIP process and subsequent HIP process, or by HIP process after filling the titanium alloy complex powder into a capsule. In addition, titanium alloy complex powder and titanium alloy material produced by the process are provided. | 03-21-2013 |
| 20130101456 | Method for Producing Shaped Bodies from Aluminium Alloys - The invention pertains to a method for producing molded articles based on aluminum alloys by metal injection molding, comprising the following steps: a) producing a feed-stock by mixing the metals contained in the desired alloy in the form of metal powders and/or one or more metal alloy powders with a binder; b) producing a green body by injection molding said feedstock; c) producing a brown body by at least partially removing the binder from the green body by catalytic and/or solvent and/or thermal debinding; d) sintering the at least partially debound brown body to obtain the desired molded article; characterized in that, in step c), the binder is completely removed, wherein thermal debinding is carried out to remove the (residual) binder, optionally after having carried out one or more previous debinding steps, said thermal debinding being carried out in an atmosphere containing at least 0.5% by volume of oxygen, whereafter the thus obtained, completely debound brown body is sintered. | 04-25-2013 |
| 20130121869 | MULTICOMPONENT TITANIUM ALUMINIDE ARTICLE AND METHOD OF MAKING - A process for fabricating sintered, substantially pore-free titanium aluminide articles with minor alloying element additions is disclosed. Such articles may find application as automobile engine valves and connecting rods and may be fabricated by rapidly sintering intimately mixed powders of substantially pure titanium and rapidly-cooled particles of aluminum alloyed with the minor alloying element(s). | 05-16-2013 |
| 20130136647 | POWDER-METALLURGICAL STEEL - The invention relates to a method for producing powder-metallurgical steel. Said method consists of the following steps: a steel powder, preferably having a predetermined structure, is produced; the steel powder is mixed with a binding agent to form a plastically deformable raw material; the raw material is initially shaped to form a blank having a predefined spatial form; and the blank is sintered. | 05-30-2013 |
| 20130243637 | METHOD FOR CLASSIFYING ARTICLES AND METHOD FOR FABRICATING A MAGNETOCALORICALLY ACTIVE WORKING COMPONENT FOR MAGNETIC HEAT EXCHANGE - A method for classifying articles comprising magnetocalorically active material according to magnetic transition temperature comprises providing a source of articles to be classified, the source comprising articles comprising magnetocalorically active materials having differing magnetic transition temperatures, sequentially applying a magnetic field at differing temperatures to the source, the magnetic field being sufficient to exert a magnetic force on the source that is greater than the inertia of a fraction of the articles causing the fraction of the articles to move and produce an article fraction, and collecting the article fraction at each temperature to provide a plurality of separate article fractions of differing magnetic transition temperature, thus classifying the articles comprising magnetocalorically active material according to magnetic transition temperature. | 09-19-2013 |
| 20130266469 | METHOD FOR NEAR NET SHAPE MANUFACTURING OF HIGH-TEMPERATURE RESISTANT ENGINE COMPONENTS - For near net shape manufacturing of a high-temperature resistant component of complex design a high melting-point part of an intermetallic phase provided as a metal powder is mixed with a binder, and from the feedstock such formed a green compact substantially matching the final contour is produced by metal injection moulding, into the pores of said compact that remain after removal of the binder the low melting-point part of the intermetallic phase is infiltrated. The brown compact thereby created is mechanically processed, if required, and subjected to a specific heat treatment depending on the metallic phases used in order to create the intermetallic phase. This permits engine components consisting of intermetallic phases and having a geometrically complex structure to be manufactured cost-efficiently. | 10-10-2013 |
| 20130266470 | METHOD FOR THE MANUFACTURING HIGH-TEMPERATURE RESISTANT ENGINE COMPONENTS - For near net shape manufacturing of high-temperature resistant engine components of geometrically complex design consisting of an intermetallic phase, a low melting-point metallic phase in the molten state or in a temperature range near the molten state is mixed with a high melting-point metallic phase provided as a metal powder, and the mixture is mechanically treated under the effect of kneading and shear forces, thereby heating it up and reducing its viscosity. In a subsequent injection moulding process the engine component substantially matching the final contour is formed and mechanically finish-machined, if required, and afterwards subjected to a heat treatment for creating an intermetallic phase. | 10-10-2013 |
| 20130343945 | TITANIUM BORIDE - A titanium metal or a titanium alloy having submicron titanium boride substantially uniformly dispersed therein and a method of making same is disclosed. Ti power of Ti alloy powder has dispersed within the particles forming the powder titanum boride which is other than whisker-shaped or spherical substantially uniformly dispersed therein. | 12-26-2013 |
| 20140199202 | Manufacturing and Applications of Metal Powders and Alloys - The present invention is directed to a method of manufacture of metal or alloy powders that uses liquid phase reduction of a metal halide, or a mixture of metal halides, to produce a metal particle coated in salts produced as a reaction byproduct. The reaction conditions can be chosen to select a range of metal particle sizes, and the salt coating prevents oxidation (or reaction with other atmospheric gases) and permits a range of applications hitherto difficult to achieve using metal powders. | 07-17-2014 |
| 20140271325 | SINTERED NANOCRYSTALLINE ALLOYS - Provided in one embodiment is a method, comprising: sintering a plurality of nanocrystalline particulates to form a nanocrystalline alloy, wherein at least some of the nanocrystalline particulates may include a non-equilibrium phase comprising a first metal material and a second metal material, and the first metal material may be soluble in the second metal material. The sintered nanocrystalline alloy may comprise a bulk nanocrystalline alloy. | 09-18-2014 |
| 20140286814 | COMPOSITE MAGNETIC MATERIAL, BURIED-COIL MAGNETIC ELEMENT USING SAME, AND METHOD FOR PRODUCING SAME - A composite magnetic material includes metal magnetic powder and thermosetting resin. The metal magnetic powder includes first metal magnetic powder and second metal magnetic powder. The first metal magnetic powder includes iron and a first element with oxygen affinity higher than that of iron. The second metal magnetic powder includes at least iron. The second metal magnetic powder also includes the first element for an amount smaller than the first element contained in the first metal magnetic powder, or not include the first element. A mean particle diameter of the first metal magnetic powder is greater than a mean particle diameter of the second metal magnetic powder. The second metal magnetic powder is 10 weight % to 30 weight % of the total amount of the metal magnetic powder. This composite magnetic material can secure high magnetic permeability and also improve withstand voltage. | 09-25-2014 |
| 20140334963 | TITANIUM BORIDE - A titanium metal or a titanium alloy having submicron titanium boride substantially uniformly dispersed therein and a method of making same is disclosed. Ti power of Ti alloy powder has dispersed within the particles forming the powder titanium boride which is other than whisker-shaped or spherical substantially uniformly dispersed therein. | 11-13-2014 |
| 20140356218 | METHOD FOR PRODUCING HIGH SPEED STEEL - A method for producing a high speed steel that with reference to its chemical composition consists of the following elements: 1-3 wt-% carbon (C), 3-6 wt-% chromium (Cr), 0-7 wt-% molybdenum (Mo), 0-15 wt-% tungsten (W), 3-14 wt-% vanadium (V), 0-10 wt-% cobalt (Co), 0-3 wt-% niobium (Nb), 0-0.5 wt-% nitrogen (N), 0.2-1 wt-% yttrium (Y), and remainder iron (Fe) and unavoidable impurities, and wherein Mo+0.5W=2-10 weight %, characterized in that the method comprises the steps of: providing a powder comprising the elements of the high speed steel, forming a body of the powder, and subjecting the body to elevated heat and pressure such that a consolidation of the powder thereof is achieved. | 12-04-2014 |
| 20150139848 | PROCESS FOR MANUFACTURING A THERMOELECTRIC MATERIAL - This thermoelectric material manufacturing method includes the steps of: preparing a powder from an at least binary thermoelectric alloy (A | 05-21-2015 |
| 20150290710 | POWDER PRE-PROCESSING FOR ADDITIVE MANUFACTURING - The present invention relates to a method for removing moisture from powder to be used in an additive manufacturing process for forming a three-dimensional article through successive fusion of parts of at least one layer of a powder bed provided on a work table, which parts corresponds to successive cross sections of the three-dimensional article, characterized in that said method comprising the steps of: providing at least a first powder tank and at least at least a second powder tank, providing a predetermined amount of powder on a movable table inside said first powder tank, heating the top surface of the powder in said first powder tank to a predetermined temperature interval for removing moisture from said powder, raising said movable table a predetermined distance, moving a predetermined thickness of the powder material from said first powder tank to said second powder tank. | 10-15-2015 |
| 20150314373 | ADDITIVE MANUFACTURING SYSTEM FOR MINIMIZING THERMAL STRESSES - A build plate for an additive manufacturing system is disclosed. The build plate includes a support structure, a sub-plate, and one or more transducers. The support structure is configured to support a stack of sintered layers of a pulverant material. Further, the support structure extends orthogonally to a build direction. The sub-plate is arranged along the support structure, and defines a transducer cavity. One or more transducers are arranged in the transducer cavities. The one or more transducers are operable to cause vibration of the support structure and the stack parallel to the build direction. Such vibration relieves internal stresses caused by sintering of the stack. | 11-05-2015 |
| 20150348705 | MOLD FOR MANUFACTURING SINTERED MAGNET AND METHOD OF MANUFACTURING SINTERED MAGNET - The present invention relates to a mold for manufacturing a sintered magnet, the mold containing: a main body having an opening; and a lid that covers the opening and has an inner surface which is located on a main body side in a state of covering the opening, in which the inner surface has a plane surface which intersects with an inner wall surface of the main body at an obtuse angle, or has a curved surface where a tangent plane of each point on an intersection line with the inner wall surface intersects with the inner wall surface at an obtuse angle. | 12-03-2015 |
| 20150371774 | SINTERED MAGNET PRODUCTION SYSTEM AND SINTERED MAGNET PRODUCTION METHOD - A sintered magnet production system using a press-less method capable of minimizing the distortion of a sintered magnet includes: a filling device for filling a container cavity with alloy powder for a sintered magnet; an orienting section for orienting the powder in the cavity by applying a magnetic field without applying a mechanical pressure to the powder; and a sintering section for sintering the powder oriented by the orienting section, by heating the powder without applying a mechanical pressure to the powder. The orienting section includes: an air-core coil; and two ferromagnetic members made of a ferromagnetic material arranged within the coil at respective open ends of the coil with a space for containing the container in between. The ferromagnetic members adjust the magnetic field within the coil toward a direction parallel to the axis of the coil, whereby distortion of a sintered magnet is minimized. | 12-24-2015 |
| 20160027564 | METHOD FOR PRODUCING RFeB SYSTEM SINTERED MAGNET AND RFeB SYSTEM SINTERED MAGNET PRODUCED BY THE SAME - A method for producing an RFeB system sintered magnet with the main phase grains having a grain size of 1 μm or less with a considerably equal grain size, including: preparing a shaped body oriented by a magnetic field and sintering the shaped body, wherein the shaped body is prepared using an alloy powder of an RFeB material having a particle size distribution with an average value of 1 μm or less in terms of a circle-equivalent diameter determined from a microscope image, the alloy powder obtained by pulverizing coarse particles having fine crystal grain, each coarse particle having grains of the RFeB material formed inside, the crystal grains having a crystal grain size distribution with an average value of 1 μm or less in terms of the circle-equivalent diameter determined from a microscope image, and 90% by area or more of the crystal grains being separated from each other. | 01-28-2016 |
| 20160035954 | THERMOELECTRIC PERFORMANCE OF CALCIUM AND CALCIUM-CERIUM FILLED N-TYPE SKUTTERUDITES - A method is disclosed for inserting elemental calcium and cerium as low cost fillers in n-type Co | 02-04-2016 |
| 20160045949 | Method for Production of Performance Enhanced Metallic Materials - A method for production of a metallic material from a semifinished metallic billet, the semifinished metallic billet including a nanocrystalline microstructure and/or an ultrafine-grained microstructure, the method including the steps of (1) subjecting the semifinished metallic billet to a rotary incremental forming process to form an intermediate wrought metallic billet, and (2) subjecting the intermediate wrought metallic billet to a high rate forming process to form a metallic product. | 02-18-2016 |
| 20160093425 | High Temperature Hybrid Permanent Magnet - In at least one embodiment, a hybrid permanent magnet is disclosed. The magnet may include a plurality of anisotropic regions of a Nd—Fe—B alloy and a plurality of anisotropic regions of a MnBi alloy. The regions of Nd—Fe—B alloy and MnBi alloy may be substantially homogeneously mixed within the hybrid magnet. The regions of Nd—Fe—B and MnBi may have the same or a similar size. The magnet may be formed by homogeneously mixing anisotropic powders of MnBi and Nd—Fe—B, aligning the powder mixture in a magnetic field, and consolidating the powder mixture to form an anisotropic hybrid magnet. The hybrid magnet may have improved coercivity at elevated temperatures, while still maintaining high magnetization. | 03-31-2016 |
| 20160104571 | SINTERED MAGNET PRODUCTION MOLD, AND SINTERED MAGNET PRODUCTION METHOD USING THE SAME - A sintered magnet production mold which can improve the uniformity in the filling density of the alloy powder. The main body has a main cavity formed inwards from a main-body surface and a side cavity provided on the outside of the opening of the upper cavity on the main-body surface at each of the two ends of the opening in the axial direction of the aforementioned partial cylinder, the side cavity formed inwards from the main-body surface and shaped like a partial cylinder having an axis parallel to the axis of the partial cylinder of the lower cavity. The cover has a base surface corresponding to the main-body surface and a convex rib bulging from the base surface, the convex rib having a shape corresponding to the two side cavities and a virtual cavity shaped like a partial cylinder connecting the two side cavities. | 04-14-2016 |
