Abstract: It has been found that duplex monolithic parts can be manufactured in high volume at low cost by using powder metal technology to mold and sinter an inner component of the part into an outer component of the part. This technique reduces the cost of manufacturing intricate metal products by taking advantage of the attributes of powder metal technology in making the inner component of the part. The outer component of the part can be wrought machined, stamped or forged, or made by double press double sinter or forging a powder metal component of the part. In any case, this technique can beneficially be used in making a wide variety of toroid parts, such as gears, clutches, sprags, bearing races, one-way diodes, and the like.

Abstract: The present invention relates to a punching tool of a sintering press, comprising at least one lower punch and an upper punch, a first punch of the upper punch and/or lower punch having a top piece that is asymmetric with respect to an axial axis of the punch press. The first punch has a geometry which widens from the top piece towards a base and is also asymmetric with respect to the axial axis of the punch press. The invention further relates to a method for pressing at least one powdery material to a green body in a sintering press.

Abstract: A method and a plant for the production of a powdery material, which is provided for the manufacture of rare earth magnets. First of all, at least one magnetic or magnetizable raw material, respectively, is provided and is comminuted into a powdery intermediate product, which includes powder particles including corners and edges, by means of conventional comminuting methods. The sharp-edged powder particles are chamfered subsequently. The optimized powdery product including the chamfered powder particles is used for the manufacture of rare earth magnets.

Abstract: A method of manufacturing a part includes additively manufacturing, with an additive manufacturing machine, at least one wall of the part having a first thickness from powder in a powder bed, and peening, with a peening system, at least a portion of the wall of the part. The peening induces plastic deformation in the portion of the wall. The portion of the wall that is peened has a second thickness less than the first thickness of the wall prior to peening. The second thickness of the portion of the wall may be less than a minimum thickness limit achievable by the additive manufacturing machine.

Abstract: The present invention relates to method for modifying process parameters based on optimum operation performance criteria for a metal working process, said method comprising the steps of inputting standard process parameters for at least one product to be machined and generating operational data based on the standard process parameters. Operational data is compared with optimized operation performance criteria and is presented to a decision-making entity. This entity may be allowed to modify the process parameters so as to improve operation of the metal working process.

Abstract: The present invention relates to an oven device for heat-treating a blank. The oven device has an oven housing having an oven chamber, in which the blank can be heat-treated with a defined temperature, and a tempering body, which is arranged in the oven chamber. Furthermore, the oven device has a tempering body and a tempering device. The tempering device is arranged within the oven chamber movably between a first position and a second position, such that the tempering device is, at least in the first position, in thermal contact with the tempering body and can, in the second position, be brought in thermal contact with the blank.

Abstract: A method for additively manufacturing an object from a metal powder is disclosed. The method includes distributing a first stratum of the metal powder in a powder-bed volume at least partially delimited by a build platform. The method further includes melting a first selected portion of the first stratum of the metal powder in a powder-bed volume by exposing the first selected portion of the first stratum of the metal powder to electromagnetic energy from an electromagnetic energy source while moving the electromagnetic energy source along a first predetermined path in a polar coordinate system to form at least a portion of a first layer of the object. The electromagnetic energy source is movable in a linear travel path along a linear rail and the linear rail is one of rotatable or revolvable in a horizontal plane about a vertical axis A.

Abstract: A hybrid manufacturing system comprises a workpiece platform, a heater, a material deposition system, a mechanical forming device, and a controller. The controller is operatively programmed to control the material deposition system to lay a track of material according to the three-dimensional representation of the object and control the mechanical forming device and the heater to apply mechanical force to a targeted portion of the object while the targeted portion of the object is maintained at a hot working temperature. The mechanical impact closes porosity of material within the targeted portion of the object, changes the microstructure within the targeted portion of the object, or both, and the mechanical impact causes a shape change within the targeted portion of the object. The controller still further computes a correction for a next track to be laid by the material deposition system based upon the shape change caused by the mechanical impact.

Abstract: The present invention provides a robust metal lamination-shaped object containing aluminum and having no defect. A metal powder used for forming this metal lamination-shaped object is an aluminum-based powder having a volume-based 50% particle diameter larger than or equal to 10 ?m and smaller than 100 ?m when a particle diameter distribution is measured by a laser diffraction-scattering method, a specific surface area smaller than or equal to 0.5 m2/g, and an oxygen amount larger than or equal to 3 mg/m2 and less than or equal to 10 mg/m2 per unit surface area. A relationship between a hydrogen amount (X ml in standard state) per 100 g of the aluminum-based powder and a specific surface area (Y m2/g), and a relationship between the hydrogen amount (X ml in standard state) and an oxygen amount (Z wt %), are respectively in accordance with formulas: X/Y<151 and Z/X>0.0022.

Abstract: A preparation method of a rapid bonding of a long silver-graphite electrical contact material and a solder strip material includes the following steps: first step, making a silver-graphite spindle into a silver-graphite electrical contact sheet material by an extrusion process; second step, performing a sintering to composite a solder strip material with the silver-graphite electrical contact sheet material to obtain a composite blank; and third step, performing a rolling and a heat treatment on the composite blank for one or more times to complete the composite of the long silver-graphite electrical contact material and the solder strip material. The method is a method for preparing a silver-based electrical contact material and solder composite material.

Abstract: A method of manufacturing yellow, red or white gold jewelry items layer by layer by selective laser melting (SLM) of a 18K, 14K, 10K or 9K gold powder alloy. The alloy comprises: (A) 37.5% to 38.5% by weight or 41.7% to 42.5% by weight or 58.5% to 59.5% by weight or 75% to 76% by weight of gold; and (D) 0.01% to 5% by weight, preferably 0.01% to 3% by weight of at least one metalloid, which may be germanium, silicon, boron, tellurium, phosphorous and selenium.

Abstract: A structural component construction that is suitable and provided for the purpose of being further processed into a structural component of a gas turbine is provided. It is provided that the structural component construction has been manufactured by means of metal injection molding and subsequent sintering, and that it includes a support structure as an integral part of the structural component construction which is suitable for supporting the structural component during sintering, wherein the support structure is either not contained or not contained in its entirety in the finished structural component.

Abstract: A method for manufacturing a copper alloy according to the present invention comprises (a) weighing a copper powder and one of a Cu—Zr master alloy and a ZrH2 powder such that an alloy composition of Cu-xZr (x is the atomic % of Zr, and 0.5?x?8.6 is satisfied) is obtained and pulverizing and mixing the copper powder and the one of the Cu—Zr master alloy and the ZrH2 powder in an inert atmosphere until an average particle diameter D50 falls within the range of from 1 ?m to 500 ?m to thereby obtain a powder mixture; and (b) subjecting the powder mixture to spark plasma sintering by holding the powder mixture at a prescribed temperature lower than eutectic temperature while the powder mixture is pressurized at a pressure within a prescribed range.

Abstract: Dispersion strengthened aluminum-cerium-manganese alloys containing from about 0.05 to about 23.0 weight percent cerium and about 0.03 to about 9.5 weight percent manganese exhibit mechanical properties that make them useful alloys as a result of age hardening for extended periods at temperatures between 350° C. (662° F.) and 450° C. (842° F.).

Abstract: It is a method for manufacturing an electrode material containing Cu, Cr, a heat-resistant element, and a low melting metal. A Cr powder and a heat-resistant element powder are mixed together in a ratio such that the Cr is greater than the heat-resistant element by weight. The mixed powder of the heat-resistant element and the Cr powder is baked. A MoCr solid solution obtained by the baking and containing a solid solution of the heat-resistant element and the Cr is pulverized and then classified. The classified MoCr solid solution powder, a Cu powder, and a low-melting metal powder are mixed together, followed by sintering at a temperature that is 1010° C. or higher and is lower than 1038° C., thereby obtaining the electrode material.

Abstract: A method for producing a medical instrument, includes producing, by cutting material from a semi-finished product, a shaft including a clamping region and at least part of a head including cutting edges; additively generating at least part of the head of the instrument; performing the additively generating with a rotation axis of the instrument aligned vertically; reworking at least part of the head with a subtractive method; and using the subtractive method to perform at least one chosen from sharpening cutting edges and improving concentric running of the instrument.

Abstract: A turbine engine rotor component has a Ti-based first member (66) circumscribing an axis (500) and has either a circumferential array of integrally formed airfoils (62) or a circumferential array of blade retention features. A TiB particulate reinforced second member (90) also circumscribes the axis.

Abstract: Method of producing a target having a small average crystal grain size of gold or platinum and having a uniform crystal grain size in an in-plane direction of a target surface and a thickness direction of the target in order to further stabilize film deposition characteristics during sputtering.

Abstract: A method for manufacturing a metallic article includes providing or obtaining a metallic material in powder form, using an additive manufacturing process, building the metallic article from the powder-form metallic material, layer-by-layer, in a build direction, wherein as a result of the additive manufacturing process, the metallic article comprises columnar grain structures oriented in the build direction, and conveying the metallic article through a gradient furnace in a direction of conveyance from a first area of the gradient furnace to a second area of the gradient furnace to increase a size of the columnar grain structures in the metallic article. The metallic article is conveyed through the gradient furnace in an orientation such that the columnar structures oriented in the build direction are substantially parallel to the direction of conveyance.

Abstract: A method of making a machine component includes extruding a supply of an aluminum alloy to produce an extrusion. The extrusion is formed under temperature-limited forming conditions of 275° C. or less to produce a blank. The blank is machined to at least one predetermined tolerance to produce the machine component.

Abstract: A method of additive manufacturing includes building a component having a top surface, attaching the component to a powder bed fusion plate that receives the component, filling the powder bed fusion chamber so the powder is flush with the top surface of the component, and adding a first layer of powdered metal level with the top surface of the component. The method of additive manufacturing also includes fusing the first layer of powdered metal to the top surface of the component to create a fusion joint, and building up an additively manufactured body from the top surface of the component in subsequent layers.

Abstract: Dynamic pressure bearing (10), including: a green compact (10?), as a base material, of raw material powder including metal powder capable of forming an oxide coating; and dynamic pressure generating portions (A1 and A2) formed through die molding on an inner peripheral surface (8a) forming a radial bearing gap with an outer peripheral surface (2a1) of a shaft to be supported, that is, a shaft member (2). An oxide coating (11) is formed between particles of the metal powder by subjecting the green compact (10?) to steam treatment, and the dynamic pressure bearing (10) has a radial crushing strength of 150 MPa or more.

Abstract: The present invention discloses a manufacturing method of green compacts of rare earth alloy magnetic powder and a manufacturing method of rare earth magnet, it is a manufacturing method that pressing the rare earth alloy magnetic powder added with organic additive in a closed space filled with inert gases to manufacture the green compacts, wherein the rare earth alloy magnetic powder is compacted under magnetic field in a temperature atmosphere of 25° C.-50° C. and a relative humidity atmosphere of 10%-40%. This method is to set the temperature of the inert atmosphere in a fully closed space, inhibiting bad forming phenomenon of the magnet with low oxygen content (broken, corner-breakage, crack) after sintering, and increasing the degree of orientation, Br and (BH)max.

Abstract: An apparatus for detecting electromagnetic radiation within a target frequency range is provided. The apparatus includes a substrate and one or more resonator structures disposed on the substrate. The substrate can be a dielectric or semiconductor material. Each of the one or more resonator structures has at least one dimension that is less than the wavelength of target electromagnetic radiation within the target frequency range, and each of the resonator structures includes at least two conductive structures separated by a spacing. Charge carriers are induced in the substrate near the spacing when the resonator structures are exposed to the target electromagnetic radiation. A measure of the change in conductivity of the substrate due to the induced charge carriers provides an indication of the presence of the target electromagnetic radiation.

Abstract: An additive manufacturing apparatus is disclosed. The additive manufacturing apparatus includes a linear rail having a length. The linear rail is one of rotatable or revolvable in a horizontal plane about a vertical axis. The additive manufacturing apparatus further includes an electromagnetic energy source movably coupled to the linear rail and movable in a polar coordinate system having a radius R.

Abstract: An Fe-based sintered alloy, essentially consists of, in percentage by mass, Mn: 0.5 to 2.0, Mo: 0.3 to 1.6, Cu: 0.4 to 1.5, C: 0.4 to 0.7 and the balance of Fe plus unavoidable impurities; and has a metallic structure made of 5 to 70% of martensite phase relative to a base material except pore and 25 to 90% of bainite phase relative to the base material except the pore.

Abstract: A method of forming a component includes heating the component to a burnishing temperature above 500 degrees Fahrenheit, and burnishing a surface of the component while the component is at the burnishing temperature to densify the surface. The burnishing process at an elevated temperature may be integrated into other processes, such as the sintering or heat treating processes.

Abstract: A selective laser sintering method reduces a warping deformation of a three-dimensional shaped object, the warping deformation being due to the scanning of a light beam. The manufacturing method is a method for manufacturing a three-dimensional shaped object by alternate repetition of a powder-layer forming and a solidified-layer forming, wherein a scanning of the light irradiation is divided into light beam-scannings “A” and “B”, the light beam-scanning “A” being for the light irradiation of a peripheral portion corresponding to a periphery of the three-dimensional shaped object, and the light beam-scanning “B” being for the light irradiation of an internal portion corresponding to a region of the three-dimensional shaped object, the region being located inside the periphery. In particular, the peripheral portion is subjected to a discontinuous light beam-irradiation in the light beam-scanning “A” such that an irradiation path of the light beam is divided into a plurality of sub-irradiation paths.

Abstract: There is provided a selective laser sintering method capable of reducing the bulge of the peripheral portion corresponding to the periphery of the three-dimensional shaped object. The manufacturing method according to an embodiment of the present invention includes alternate repetition of a powder-layer forming and a solidified-layer forming, the repetition comprising: (i) forming a solidified layer by irradiating a predetermined portion of a powder layer with a light beam, thereby sintering the powder in the predetermined portion or a melting and subsequently solidifying the powder; and (ii) forming another solidified layer by newly forming a powder layer on the formed solidified layer, followed by irradiation of a predetermined portion of the newly formed powder layer with the light beam, wherein a scanning of the light irradiation is divided into light beam-scannings “A” and “B”.

Abstract: There is provided a selective laser sintering method capable of reducing the trouble in chipping or breakage of the machining tool and the like. The manufacturing method according to an embodiment of the present invention is a method for manufacturing a three-dimensional shaped object by repetition of a powder-layer forming and a solidified-layer forming, the repetition including the steps of (i) forming a solidified layer by irradiating a predetermined portion of a powder layer with a light beam, thereby allowing a sintering of the powder in the predetermined portion or a melting and subsequent solidification thereof, and (ii) forming another solidified layer by newly forming a powder layer on the resulting solidified layer, followed by the irradiation of a predetermined portion of the powder layer with the light beam.

Abstract: A production method for a sintered member includes preparing a raw powder, compacting the raw powder into a green compact having pores at the surface thereof, and sintering the green compact into a sintered compact. The production method also includes sealing the pores exposed at the surface of the sintered compact by at least one of plastically deforming and melting the surface of the sintered compact. The production method further includes forging the sintered compact by using a lubricant after the sealing.

Abstract: A process for producing a weldable titanium or titanium alloy wire characterized in that full consolidation of the wire is achieved via solid-state processing entailing compaction, extrusion, and rolling, whereby melting of the constituent titanium sponge particles does not occur.

Abstract: Modified graphite particles obtained from graphite or based on graphite, the said particles having impurities in their internal structure and having on the surface a low, even nil, rate of an impurity or several impurities. In addition, these particles have at least one of the following characteristics: a tab density between 0.3 and 1.5 g/cc; a potatolike shape; and a granulometric dispersion such that the D90/D10 ratio varies between 2 and 5 and the particles have a size between 1 and 50 ?m. These particles can be used for fuel cells, electrochemical generators, or as moisture absorbers and/or oxygen absorbers and they have important electrochemical properties. The electrochemical cells and batteries thus obtained are stable and safe.

Abstract: Modified graphite particles obtained from graphite or based on graphite, the said particles having impurities in their internal structure and having on the surface a low, even nil, rate of an impurity or several impurities. In addition, these particles have at least one of the following characteristics: a tab density between 0.3 and 1.5 g/cc; a potatolike shape; and a granulometric dispersion such that the D90/D10 ratio varies between 2 and 5 and the particles have a size between 1 and 50 ?m. These particles can be used for fuel cells, electrochemical generators, or as moisture absorbers and/or oxygen absorbers and they have important electrochemical properties. The electrochemical cells and batteries thus obtained are stable and safe.

Abstract: Provided is a hot-dip galvanized steel sheet having excellent adhesiveness at ultra-low temperatures as well as fine spangles, and a method of manufacturing the same. According to the present invention, a hot-dip galvanized steel sheet having excellent adhesiveness at ultra-low temperatures includes a base steel sheet, a composite layer formed on the base steel sheet and including transition metal, an inhibition layer formed on the composite layer and including a iron-aluminum (Fe—Al) based intermetallic compound, and a zinc (Zn)-plated layer formed on the inhibition layer, in which an average diameter of spangles in the zinc-plated layer is 150 ?m or less, and a method of manufacturing the hot-dip galvanized steel sheet is provided.

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: Modified graphite particles are obtained from graphite or based on graphite. The particles have impurities in their internal structure and have on the surface a low, even nil, rate of an impurity or several impurities. In addition, these particles have at least one of the following characteristics: a tab density between 0.3 and 1.5 g/cc; a potatolike shape; and a granulometric dispersion such that the D90/D10 ratio varies between 2 and 5 and the particles have a size between 1 and 50 ?m. These particles can be used for fuel cells, electrochemical generators, or as moisture absorbers and/or oxygen absorbers and they have important electrochemical properties. The electrochemical cells and batteries thus obtained are stable and safe.

Abstract: Disclosed herein is an apparatus for use downhole comprising an expandable component; a support member that has a selected corrosion rate; wherein the support member is disposed on the expandable component; where the support member comprises a plurality of particles fused together; the particles comprising a core comprising a first metal; and a first layer disposed upon the core; the first layer comprising a second metal; the first metal having a different corrosion potential from the second metal; the first layer comprising a third metal having a different corrosion potential from the first metal.

Abstract: A plate carrier for a multi-plate clutch comprises: an annular member with a first circumferential face and a second circumferential face; a toothing in the first circumferential face of the annular member, having circumferentially distributed teeth and gaps; at least one groove in the second circumferential face of the annular member, wherein the groove extends over a circumferential portion of the annular member, wherein the groove and the toothing intersect one another, so that radial apertures are formed in the regions of intersection between the groove and the tooth gaps. A multi-plate clutch can be provided with such a plate carrier.

Abstract: In various embodiments, planar sputtering targets are produced by forming a billet at least by pressing molybdenum powder in a mold and sintering the pressed powder, working the billet to form a worked billet, heat treating the worked billet, working the worked billet to form a final billet, and heat treating the final billet.

Abstract: A high-strength magnesium alloy member is suitable for products in which at least one of bending stress and twisting stress primarily acts. The member has required elongation and 0.2% proof stress, whereby strength and formability are superior, and has higher strength and large compressive residual stress in the vicinity of the surface of a wire rod. In the magnesium alloy member formed as a wire rod in which at least one of bending stress and twisting stress primarily acts, the wire rod includes a surface portion having the highest hardness of 170 HV or more in the vicinity of the surface and an inner portion having a 0.2% proof stress of 550 MPa or more and an elongation of 5% or more, and the wire rod has the highest compressive residue stress in the vicinity of the surface of 50 MPa or more.

Abstract: The present invention relates to a method of surface hardening a plurality of sintered bodies having a hard phase and a binder phase. The method includes the steps of placing the bodies in a container, and forming a system including the container and the bodies therein, and causing the bodies to move and collide with each other and with inside walls of the container. The container is vibrating utilizing a mechanical resonance frequency of the system.

Abstract: A method of manufacturing an article, including taking an article formed in an initial state via an additive manufacturing process and performing a second manufacturing process to transform the article into a second state, which includes mounting the article in a holding device, processing at least one first feature on the article, which includes processing at least one set of mounting features on the article, re-mounting the article via the at least one set of mounting features, and then processing at least one second feature on the article.

Abstract: A method of making a molybdenum or molybdenum alloy metal strip is disclosed. The method includes roll compacting a molybdenum-based powder into a green strip. The method also includes sintering the green strip followed by a combination of warm rolling, annealing, and cold rolling steps to form the final metal strip which may be cut-to-length. The strip at the final thickness may also undergo an optional stress relief step.

Abstract: The invention relates to a method for producing a strand-like, particularly band-like semi-finished part for electrical contacts, wherein the semi-finished part has a top side intended for making the electrical contact, said top side made from a silver-based composite material in which one or multiple metal oxides or carbon are embedded, and has a carrier layer supporting the composite material made of silver or a silver-based alloy, said method having the following steps: Powder-metallurgic production of a block made from the silver-based composite material, encasing of the block made of the composite material with a powder made primarily of silver, compressing the block, encased by the metal powder, to condense the metal powder, sintering the compressed block, reshaping the sintered block by extrusion pressing, creating a partial strand with a top side made from composite material and a bottom side made from silver or a silver-based alloy.

Abstract: Provided is a sintered bearing (1), including 3 to 12% by mass of aluminum, 0.05 to 0.5% by mass of phosphorus, and the balance including copper as a main component, and inevitable impurities, the sintered bearing (1) having a structure in which an aluminum-copper alloy is sintered with a sintering aid added to raw material powder, a pore (db, do) in a surface layer portion of the sintered bearing (1) being formed smaller than an internal pore (di).

Abstract: A method for manufacturing a fluid-leading component includes positioning a base element machined by a material-removing method with a planar upper face in a mounting support. The method at least includes the initial application of a layer section with predetermined dimensions of a particulate material in a predetermined region on the planar upper face of the base element; the heating of the layer section by a heat source in such a manner that the particles of the material within predetermined dimensions bond; and the application thereto and heating of at least one further layer section with predetermined dimensions of a particulate material in a predetermined region. In this way it is possible, in the generative manufacturing method, to obviate the need to provide support structures that subsequently have to be removed, and the base element is a functional part of the component to be manufactured.

Abstract: As implant for the stabilization of bones or vertebrae is provided, the implant being a solid body including a longitudinal axis that defines a longitudinal direction and including a flexible section that has a surface and has a length in the longitudinal direction, the flexible section including at least one cavity located near the surface and having a width in the longitudinal direction that is smaller than the length of the flexible section, the at least one cavity being connected to the surface through at least one slit, and a width of the slit in the longitudinal direction being smaller than the width of the cavity.

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: There is provided a composite material for a heat dissipating plate which achieves both a high thermal conductivity and a low coefficient of thermal expansion and has a performance satisfactory as a heat dissipating plate and a method of production of a composite material which can produce the composite material at a low cost. For this reason, powder metallurgy is used to produce the composite material for a heat dissipating plate. The composite material for a heat dissipating plate which is fabricated by this method of production contains an aluminum alloy and silicon carbide. The particles of silicon carbide are in contact with each other.