Abstract: The invention is a process for manufacturing a nano aluminum/alumina metal matrix composite and composition produced therefrom. The process is characterized by providing an aluminum powder having a natural oxide formation layer and an aluminum oxide content between about 0.1 and about 4.5 wt. % and a specific surface area of from about 0.3 and about 5 m2/g, hot working the aluminum powder, and forming a superfine grained matrix aluminum alloy. Simultaneously there is formed in situ a substantially uniform distribution of nano particles of alumina. The alloy has a substantially linear property/temperature profile, such that physical properties such as strength are substantially maintained even at temperatures of 250° C. and above.

Abstract: In a nanocomposite bulk magnet according to the present invention, nanocomposite magnet powder particles, including an Nd2Fe14B crystalline phase and an ?-Fe phase, are combined together. The composition of the magnet is represented by T100-x-y-z-n(B1-qCq)xRyTizMn, where T is at least one transition metal element selected from the group consisting of Fe, Co and Ni and always including Fe, R is at least one rare-earth element including substantially no La or Ce, M is an additive metallic element, and x, y, z, n and q satisfy 4 at %?x?10 at %, 6 at %?y?10 at %, 0.05 at %?z?5 at %, 0 at %?n?10 at %, and 0?q?0.5, respectively. The powder particles have a minor-axis size of less than 40 ?m. And powder particles, of which the major-axis size exceeds 53 ?m, account for at least 90 mass % of the entire magnet. And those powder particles are directly combined with each other. Consequently, a full-dense magnet, of which the density is 96% or more of the true density of its material alloy, is realized.

Abstract: A sintered body of silver fine particles for a bonding member to bond components of a semiconductor device, wherein an activation energy for creep of the sintered body of the silver fine particles is from 0.4 to 0.75 times that of an activation energy for a lattice diffusion of bulk silver.

Abstract: A sintered gear serving as a mechanical structure component is a mechanical structure component made of a metal sintered body, and includes a base region; and a high density region formed so as to include a maximum stress position at which a maximum tensile stress or a maximum shear stress is applied, and to include a surface, in which the high density region is lower in porosity than the base region. A surface hardened layer is formed in a region including the surface by performing a hardening process.

Abstract: The present invention provides a method for producing an R-T-B-M sintered magnet having an oxygen content of less than 0.07 wt. % from R-T-B-M raw materials. The composition of R-T-B-M includes R being at least one element selected from a rare earth metal including Sc and Y. The composition also includes T being at least one element selected from Fe and Co. B in the composition is defined as Boron. The composition further includes M being at least one element selected from Ti, Ni, Nb, Al, V, Mn, Sn, Ca, Mg, Pb, Sb, Zn, Si, Zr, Cr, Cu, Ga, Mo, W, and Ta. The present invention provides for a step of creating an inert gas environment in the steps of casting, milling, mixing, molding, heating, and aging to prevent the powder from reacting with the oxygen in anyone of the above mentioned steps.

Abstract: Provided is a sputtering target which contains Na in high concentration and, despite this, is inhibited from discoloration, generating spots, and causing abnormal electrical discharge and which has high strength and rarely breaks. Also provided is a method for producing the sputtering target. The sputtering target has a component composition that contains 10 to 40 at % of Ga and 1.0 to 15 at % of Na as metal element components other than F, S, and Se, with the remainder composed of Cu and unavoidable impurities, wherein the Na is contained in the form of at least one Na compound selected from sodium fluoride, sodium sulfide, and sodium selenide. The sputtering target has a theoretical density ratio of 90% or higher, a flexural strength of 100 N/mm2 or higher, and a bulk resistivity of 1 m?·cm or less. The number of 0.05 mm2 or larger aggregates of the at least one of sodium fluoride, sodium sulfide, and sodium selenide present per cm2 area of the target surface is 1 or less on average.

Abstract: A titanium alloy comprising an elevated level of oxygen is disclosed. The alloy may have 5.5 to 6.75 weight percent of aluminum, 3.5 to 4.5 weight percent of vanadium, 0.21 to 0.30 weight percent of oxygen, and up to 0.40% of weight percent of iron. The alloy may also have a minimum ultimate tensile strength of 130,000 psi, a minimum tensile yield strength of 120,000 psi, and a minimum ductility of 10% elongation. Also disclosed is a method for manufacturing components having the aforementioned alloy.

Abstract: Disclosed is a method for producing semi-finished products from a shape memory alloy, particularly an NiTi shape memory alloy, wherein a powder is first produced from a shape memory alloy, and subsequently the powder is divided into a coarse fraction and a fine fraction in a separating cut T. While the fine fraction is required, in particular, for the production of a first semi-finished product, employing the metal injection molding (MIM) method, the coarse fraction can be used for the production of a second semi-finished product, employing the hot isostatic pressing (HIP) method. The advantages of the invention can be summarized as follows. The MIM method for producing semi-finished products from a shape memory alloy is qualitatively improved and more cost-effective to implement if the coarse fraction that is typically obtained during powder production, but not used for the MIM process, can advantageously be supplied to a further process, in this case the HIP process.

Abstract: The present invention relates to ferromagnetic powders with an electrically insulating layer on iron particles intended for the manufacture of components having improved soft magnetic properties at low and medium frequencies. The invention comprises an iron powder coated with a dielectric insulating layer comprising boron bearing compounds to form an insulated ferromagnetic powder. The present invention also relates to a method of making these insulated ferromagnetic powders. The present invention further relates to a method of synthesizing a product made from insulated ferromagnetic powders via a post-heat treatment at a moderate temperature (300° C. to 700° C.), to form a glass-like coating which acts as an electrical insulator. A preferred embodiment of the present invention is obtained when small amounts of alkali bearing compounds are added to the precursors to modify the coating chemistry and significantly increase the electrical resistivity after heat treatment.

Abstract: In various embodiments, powders with engineered particle-size distributions are slip or pressure casted to produce homogeneous parts without the need for additives such as flocculating or deflocculating agents.

Abstract: A capacitor anode including a tungsten sintered body having an average pore diameter of 0.3 ?m or less; and a method for producing the anode. The method includes forming tungsten powder into a molded body having a density (Dg) of 8 g/cm3 or more and then sintering the molded body to a density (Ds) of at least 1.15 times the density (Dg) to form a tungsten sintered body having an average pore diameter of 0.3 ?m or less.

Abstract: Provided is an Sb—Te base alloy sinter sputtering target having Sb and Te as its primary component and comprising a structure in which Sb—Te base alloy particles are surrounded by fine carbon or boron particles; wherein, if the mean diameter of the Sb—Te base alloy particles is X and the particle size of carbon or boron is Y, Y/X is within the range of 1/10 to 1/10000. The present invention seeks to improve the Sb—Te base alloy sputtering target structure, inhibit the generation of cracks in the sintered target, and prevent the generation of arcing during the sputtering process.

Abstract: Provided is a NdFeB sintered magnet which can be used in the grain boundary diffusion method as a base material in which RH can be easily diffused through the rare-earth rich phase and which itself has a high coercive force, a high maximum energy product and a high squareness ratio, as well as a method for producing such a magnet. A NdFeB system sintered has an average grain size of the main-phase grains magnet is equal to or smaller than 4.5 ?m, the carbon content of the entire NdFeB system sintered magnet is equal to or lower than 1000 ppm, and the percentage of the total volume of a carbon rich phase in a rare-earth rich phase at a grain-boundary triple point in the NdFeB system sintered magnet to the total volume of the rare-earth rich phase is equal to or lower than 50%.

Abstract: Provided are methods for processing a green body that includes compacted metal powder, comprising impacting the green body with a particulate material for a time and under conditions effective to displace a portion of the metal powder from the green body. The present methods can be used to prepare green bodies that have “roughened” surfaces and that can be used to make orthopedic implants displaying low movement relative to bone when installed in situ, which corresponds to higher stability upon implantation and decreases the time required for biological fixation of the implant. Also provided are implants comprising a metallic matrix, and methods comprising surgically installing an implant prepared from a “surface roughened” green body in accordance with the present invention.

Abstract: A thermal mechanical treatment method includes consolidating a powder by a severe plastic deformation process and ageing the consolidated powder at low temperature. The method may include cryomilling the powder before consolidating the powder by a severe plastic deformation process; hot isostatic pressing the consolidated powder into a dense powder before aging the consolidated powder; hot extruding the dense powder into a stock shape before aging the consolidated powder; hot-working the stock shape on a gyrating forge at a predetermined temperature before aging the consolidated powder; or heating the consolidated powder to a predetermined temperature, and maintaining the consolidated powder at the predetermined temperature for a predetermined time.

Abstract: Carbide pellets including relatively small amounts of metallic binder are produced by steps of pressing, comminuting, shaping and sintering. The carbide pellets may be used as wear resistant hard facing materials that are applied to various types of tools. The carbide pellets provide improved mechanical properties such as hardness and abrasiveness while maintaining required levels of toughness and strength.

Abstract: There is provided a metal powder for use in a selective laser sintering method for producing a three-dimensional shaped object, wherein the metal powder comprises a powder mixture of a precipitation-hardening metal composition. In particular, the metal powder of the present invention is configured to have a Fe-based component powder and a Ni-based component powder which are individually included in the powder mixture wherein a powder made of an alloy of Fe-based and Ni-based components is not included as a main powder in the powder mixture.

Abstract: A method of forming an oxide-dispersion strengthened alloy and a method for forming an oxide-alloy powder where the oxide-nanoparticles are evenly distributed throughout the powder. The method is comprised of the steps of forming an oxide-nanoparticles colloid, mixing the oxide-nanoparticles colloid with alloy-microparticles forming an oxide-alloy colloid, drying the oxide-alloy colloid solution to form an oxide-alloy powder, applying pressure to the oxide-alloy powder, and heating the oxide-alloy powder to a sintering temperature. The oxide-nanoparticles are sized to be between 1-10 nanometers in diameter. The ratio of oxide-nanoparticles to alloy-microparticles should be 1-5% by weight. Heating of the oxide-alloy powder can use a spark plasma sintering process.

Abstract: A colored metal composite including a metal matrix; and colored particles distributed throughout the metal matrix AND/OR a method including providing metal powder as a first phase of a composite; providing colored particles to form a second phase of the composite; mixing the metal powder and colored particles; and sintering the metal powder around the colored particles to form a metal matrix that has colored particles distributed throughout.

Abstract: A self-renewing cutting tool or cutting element is formed by bonding an overcoat, cladding or layer of highly abrasive, very durable material on a surface of a substrate or load-bearing element. The cutting layer is a composite structure and includes appropriately sized, multi-edged pieces of a superhard material, such as tungsten carbide, dispersed in a softer material which produces high strength bonds between and among the pieces and the substrate or load-bearing element.

Abstract: The invention relates to a method for fabricating an open-porous metal foam body with a nickel base alloy, to a metal foam body fabricated this way as well as advantageous applications for the separation of specific components and pollutants from fluid flows. On the occasion, according to the set object open-porous metal foam bodies which have improved mechanical properties, and in addition an enlarged specific surface and/or increased surface roughness are to be provided. During fabricating it is proceeded such that an open-porous base foam body made of nickel or a nickel base alloy is coated with a liquid binding agent. Subsequent to this, a mixture of a powdery nickel base alloy and an organic component the temperature of phase transformation of which is at least 30 degrees centigrade from its solid phase to the liquid phase is deposited. The temperature should then be below the respective temperature of phase transformation.

Abstract: A cold press and a method for the production of green compacts for diamond-containing tool segments includes a tool matrix, a top ram and a bottom ram assigned to a matrix adapter from opposite directions for the purpose of compressing sinterable metal powder and diamond granules after both of these materials have been fed to the matrix adapter. Step-by-step build-up of the green compact is carried out in such a manner that after one layer of metal powder and one layer of diamond granulate have been charged, these layers are together compressed.

Abstract: The invention relates to a slide bearing composite material having at least one carrier layer and a sintered bearing metal layer. The sintered bearing metal layer is designed in at least one layer region as a gradient layer.

Abstract: A multiphase composite system is made by binding hard particles, such as TiC particles, of various sizes with a mixture of titanium powder and aluminum, nickel, and titanium in a master alloy or as elemental materials to produce a composite system that has advantageous energy absorbing characteristics. The multiple phases of this composite system include an aggregate phase of hard particles bound with a matrix phase. The matrix phase has at least two phases with varying amounts of aluminum, nickel, and titanium. The matrix phase forms a bond with the hard particles and has varying degrees of hard and ductile phases. The composite system may be used alone or bonded to other materials such as bodies of titanium or ceramic in the manufacture of ballistic armor tiles.

Abstract: A bonded metallurgical powder composition including: an iron-based powder having a weight average particle size in the range of 20-60 ?m, in an amount of at least 80 percent by weight of the composition, graphite powder in an amount between 0.15-1.0 percent by weight of the composition, a binding agent in an amount between 0.05-2.0 percent by weight of the composition, a flow agent in an amount between 0.001-0.2 percent by weight of the composition; wherein the graphite powder is bound to the iron-based powder particles by means of the binding agent, and wherein the powder composition has an apparent density of at least 3.10 g/cm3 and a hall flow rate of at most 30 s/50 g. Also, a method for producing a sintered component with improved strength from the inventive composition, as well as to a heat treated sintered component produced according to said method.

Abstract: A material includes at least two different alloy phases. At least two alloy phases are each formed by at least one thermodynamically stable semi-Heusler alloy. The semi-Heusler alloys of the at least two alloy phases are different from one another. At least two of the semi-Heusler alloys have at least partly sintered particles that have an average particle size D50 in the range of less than or equal to 100 nm. Such a material has particularly good thermoelectric properties. A process is implemented to produce the material.

Abstract: A bearing having improved wear resistance has a bearing material of a copper-tin-bismuth alloy which may also include phosphorus which has excellent strength, due to the solid solution of copper, tin and phosphorus (when used), attached to a steel backing shell. The material also has good lubricity as a result of the presence of the bismuth which also promotes tin mobilization and formation of a layer of tin on the bearing surface upon use of the bearing. The addition of small amounts of relatively small hard particles in the copper-tin-matrix, particularly Fe3P, MoSi2 or a mixture thereof, provides a suitable hard surface artifact to improve the wear resistance of the bearing material. The bearing includes a sintered powder compact bearing material of a copper-tin-bismuth alloy powder and a metal compound powder which is bonded to a steel backing shell, wherein the metal compound powder has an average particle size of less than 10 ?m.

Abstract: Disclosed herein are titanium-tungsten alloys and composites wherein the tungsten comprises 0.5% to 40% by weight of the alloy. Also disclosed is a method of making such alloys and composites using powders of tungsten less then 3 ?m in size, such as 1 ?m or less. Also disclosed is a method of making the titanium alloy by powder metallurgy, and products made from such alloys or billets that may be cast, forged, or extruded. These methods of production can be used to make titanium alloys comprising other slow-diffusing beta stabilizers, such as but not limited to V, Nb, Mo, and Ta.

Abstract: A sputtering target for producing a metallic glass membrane characterized in comprising a structure obtained by sintering atomized powder having a composition of a ternary compound system or greater with at least one or more metal elements selected from Pd, Zr, Fe, Co, Cu and Ni as its main component (component of greatest atomic %), and being an average grain size of 50 ?m or less. The prepared metallic glass membrane can be used as a substitute for conventional high-cost bulk metallic glass obtained by quenching of molten metal. This sputtering target for producing the metallic glass membrane is also free from problems such as defects in the metallic glass membrane and unevenness of composition, has a uniform structure, can be produced efficiently and at low cost, and does not generate many nodules or particles. Further provided is a method for manufacturing such a sputtering target for forming the metallic glass membrane.

Abstract: A method of producing a workpiece is disclosed. The method includes: providing a first powder, a hardness of the first powder being less than 250 HV, and a mean particle size of the first powder being less than 20 ?m; mixing the first powder and a second powder to form a mixed powder; the mixed powder includes carbon, chromium, iron, and elements selected from the group consisting of molybdenum, nickel, copper, niobium, vanadium, tungsten, silicon, cobalt, and manganese; adding a binder and water to the mixed powder; applying a spray drying process to granulate the mixed powder to form a spray-dried powder; applying a dry pressing process to the spray-dried powder to form a green part; applying a debinding process to the green part to form a debound body; and sintering the debound body into a workpiece having a hardness of higher than 250 HV.

Abstract: A method for producing a high strength aluminum alloy brackets, cases, tubes, ducts, beams, spars and other parts containing L12 dispersoids from an aluminum alloy powder containing the L12 dispersoids. The powder is consolidated into a billet having a density of about 100 percent. The billet is extruded using an extrusion die shaped to produce the component.

Abstract: A method for processing iron disilicide for manufacture photovoltaic devices. The method includes providing a first sample of iron disilicide comprising at least an alpha phase entity, a beta phase entity, and an epsilon phase entity. The method includes maintaining the first sample of iron disilicide in an inert environment and subjects the first sample of iron disilicide to a thermal process to form a second sample of iron disilicide. The second sample of iron disilicide comprises substantially beta phase iron disilicide and is characterized by a first particle size. The method includes introducing an organic solvent to the second sample of iron disilicide, forming a first mixture of material comprising the second sample of iron disilicide and the organic solvent. The method processed the first mixture of material including the second sample of iron disilicide using a grinding process.

Abstract: Disclosed herein is a method of making a sensing element comprising forming an electrically conductive element, wherein the sensing element comprises a metal selected from the group consisting of Pd and alloys and combinations comprising Pd; and wherein the electrically conductive element is thermally stable at temperatures as high as 1,200° C.

Abstract: A process for producing powder green compacts includes centrifugally compacting a slip containing a material powder, a binder resin and a dispersion medium in a mold, into a compact containing the material powder and the binder resin. A process for producing sintered compacts includes sintering the green compact. A powder green compact contains a material powder and a binder resin, the binder resin being present between particles of the material powder and binding the material particles. A sintered compact is obtained by sintering the green compact.

Abstract: A method of pressure forming a brown part from metal and/or ceramic particle feedstocks includes: introducing into a mold cavity or extruder a first feedstock and one or more additional feedstocks or a green or brown state insert made from a feedstock, wherein the different feedstocks correspond to the different portions of the part; pressurizing the mold cavity or extruder to produce a preform having a plurality of portions corresponding to the first and one or more additional feedstocks, and debinding the preform. Micro voids and interstitial paths from the interior of the preform part to the exterior allow the escape of decomposing or subliming backbone component substantially without creating macro voids due to internal pressure. The large brown preform may then be sintered and subsequently thermomechanically processed to produce a net wrought microstructure and properties that are substantially free the interstitial spaces.

Abstract: A method of making a nanoscale metallic powder is disclosed. The method includes providing a base material comprising a metallic compound, wherein the base material is configured for chemical reduction by a reductant to form a metallic material. The method also includes forming a powder of the base material, the powder comprising a plurality of powder particles, the powder particles having an average particle size that is less than about 1 micron. The method further includes disposing the powder particles into a reactor together with the reductant under an environmental condition that promotes the chemical reduction of the base material and formation of a plurality of particles of the metallic material.

Abstract: Provided are: a method for producing an electrode material for a vacuum circuit breaker, whereby withstand voltage, high current interruption performance and capacitor switching performance can be improved; an electrode material for a vacuum circuit breaker; and an electrode for a vacuum circuit breaker. The electrode material for a vacuum circuit breaker is produced by a method comprising a mixing step, a press sintering step, and a Cu infiltration step. In the mixing step, an Mo powder having a particle diameter of 0.8 to 6 ?m is homogeneously mixed with a thermite Cr powder having a particle diameter of 40 to 300 gm in such a manner as giving a mixing ratio (Mo:Cr) of 1:1 to 9:1 and satisfying the weight relation Mo?Cr. In the press sintering step, the resultant mixture is pressure molded under a press pressure of 1 to 4 t/cm2 to give a molded article. Next, said molded article is sintered by maintaining the same at a temperature of 1100 to 1200° C.

Abstract: 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, aluminum 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.

Abstract: A metal base alloy and methods for producing the alloy. The metal base alloy product includes the formula Mebase Ta Sib Crc Mnj Ve Cf, wherein—Mebase is a metal base selected from the group having Fe, Co and Ni, in an amount ranging from about 45-75 w %. The metal base alloy product contains a substantially homogenous dispersion of separate precipitated carbide particles in an amount ranging from 10-65 percentages by volume and the precipitate carbide particles have an average diameter of 0.01-5 micrometers.

Abstract: Disclosed is an iron-based soft magnetic powder obtained by preparing an iron-oxide-based soft magnetic powder through water atomization, and thermally reducing the iron-oxide-based soft magnetic powder. The iron-based soft magnetic powder has an average particle size of 100 ?m or more and has an interface density of more than 0 ?m?1 and less than or equal to 2.6×10?2 ?m?1, where the interface density is determined from a cross-sectional area (?m2) and a cross-sectional circumference (?m) of the iron-based soft magnetic powder. The iron-based soft magnetic powder obtained by preparing an iron-oxide-based soft magnetic powder through water atomization and thermally reducing the iron-oxide-based soft magnetic powder, when used for the production of a dust core, can give a dust core having a low coercive force. Also disclosed is a duct core having a low coercive force and exhibiting superior magnetic properties.

Abstract: Powders of respective metal elements (Mn,Co) constituting a transition metal oxide (MnCo2O4) having a spinel type crystal structure are used as a starting material. A paste containing the mixture of the powders is interposed between an air electrode and an interconnector, and with this state, a sintering is performed, whereby a bonding agent according to the present invention can be obtained. This bonding agent has a “co-continuous structure”. In the “co-continuous structure”, a thickness of an arm portion that links many base portions to one another is 0.3 to 2.5 ?m. The bonding agent includes a spherical particle in which plural crystal faces are exposed to the surface, the particle having a side with a length of 1 ?m or more, among the plural sides constituting the outline of the crystal face. The diameter of the particle is 5 to 80 ?m.

Abstract: Processes for producing a nickel-titanium alloy are disclosed. The processes are characterized by the production of nickel-titanium alloy articles having improved microstructure. A pre-alloyed nickel-titanium alloy is melted and atomized to form molten nickel-titanium alloy particles. The molten nickel-titanium alloy particles are cooled to form nickel-titanium alloy powder. The nickel-titanium alloy powder is consolidated to form a fully-densified nickel-titanium alloy preform that is hot worked to form a nickel-titanium alloy article. Any second phases present in the nickel-titanium alloy article have a mean size of less than 10 micrometers measured according to ASTM E1245-03 (2008) or an equivalent method.

Abstract: A safe and industrially advantageous production method is disclosed for producing a rare earth-Mg—Ni based hydrogen storage alloy which realizes production of a nickel-hydrogen rechargeable battery having excellent cycle characteristics and a large capacity. The method is for producing a rare earth-Mg—Ni based hydrogen storage alloy including element A, Mg, and element B, wherein element A is composed of at least one element R selected from rare earth elements including Sc and Y, and optionally at least one element selected from Zr, Hf, and Ca, and element B is composed of Ni and optionally at least one element selected from elements other than element A and Mg. The method includes first step of mixing an alloy consisting of elements A and B and Mg metal and/or a Mg-containing alloy having a melting point not higher than the melting point of Mg metal, and second step of heat-treating a mixture obtained from first step for 0.5 to 240 hours at a temperature 5 to 250° C.

Abstract: A preparing method of a glass substrate film sputtering target is disclosed, which comprises the following steps of: weighing an alloy material for forming the glass substrate film sputtering target; adding the alloy material weighed into a plasma pressure compaction sintering cavity and sintering the alloy material to obtain a sintered target, wherein the sintering temperature is 500° C.˜1600° C. and the sintering time is 5˜20 minutes; and post-processing the sintered target. A glass substrate film sputtering target prepared by the preparing method is further disclosed. Because the plasma pressure compaction for quick sintering is adopted for the glass substrate film sputtering target and the preparing method thereof of the present disclosure, quality of the target can be improved and the time necessary for preparing the target can be shortened.

Abstract: In this method, the conductive powder mass is placed on the support, and then the member is placed on the mass and a compression force is applied, urging the member against the mass and the support before heating the mass. The magnitude is increased from an initial value to a first predefined value for agglomerating the mass, which value is less than a plastic deformation threshold of the powder mass. Then, the magnitude is maintained at the first predefined value throughout a predetermined duration for agglomerating the powder mass. Finally, the magnitude is increased from the first value to a second predefined value less than a critical threshold for damaging the member but greater than a minimum threshold for sintering the mass at the predetermined temperature, the second predefined value being greater than the first predefined value.

Abstract: A method for manufacturing a welding material includes: a compound preparing step in which a compound is prepared by mixing alloy powder containing first alloy powder having a first average particle size and second alloy powder having a second average particle size, a water soluble binder and water; a drying step; an extruding step; a degreasing step in which the extruded formed body is heated to a predetermined temperature of 400° C. or above; a C—O reaction step in which the extruded formed body is heated to a predetermined temperature which falls within a range of 950° C. to 1150° C. under a vacuum atmosphere; and a sintering step in which the extruded formed body is heated to a predetermined temperature which falls within a range of 1200° C. to 1350° C. under a nitrogen gas atmosphere thus forming a welding material.

Abstract: A method of making a permanent magnet and a permanent magnet. The method includes providing combining a core material and a surface material so that the surface concentration of dysprosium, terbium, or both in the surface material is high while simultaneously keeping the bulk concentration of dysprosium, terbium, or both low. From this, the magnet has a non-uniform distribution of dysprosium, terbium or both. Varying approaches to preparing the combined core and surface materials may be used to ensure that the surface powder effectively wraps around the core powder as a way to achieve the high surface concentration and low bulk concentration. In one form, the core material may be made from a neodymium-iron-boron permanent magnet precursor material.

Abstract: A method and apparatus produces high strength aluminum alloys from a powder containing L12 intermetallic dispersoids. The powder is degassed, sealed under vacuum in a container, consolidated by vacuum hot pressing, and superplastically formed into a usable part.

Abstract: A method and apparatus for producing high strength aluminum alloys from a powder containing Ll2 intermetallic dispersoids. The powder is degassed, sealed under vacuum in a container, consolidated by vacuum hot pressing, extruded into a rolling preform and rolled into a usable part.

Abstract: The invention relates to a component of rare earth permanent magnet material, and the atomic percents of the material are Re(x)Fe(100x-z-a-b-c)B(z)Nb(a)Al(b)M(c), wherein x=12-16, z=5.5-6.5, a=0.05-1, b=0-0.8, and c=0-3. Re stands for rare earth elements, which comprises one or more of Nd, Pr, Gd, Ho, Dy and Tb. By adding Nb, Hcj can be improved, the rectangle degree of J-H demagnetization curve can be improved, and the temperature stability of the product can also be improved; and by adding Nb, the amount of Dy and Tb in heavy rare earth can be reduced, and the cost of the material can also be reduced.