Abstract: A golf club head includes a body including a toe region, a heel region, and a medial region extending between the toe region and the heel region, and a face insert that is coupled to the body. A top edge of the face insert is disposed within a face insert cavity and located between a central plane CP and a topline of the body.

Abstract: An aluminum alloy comprising greater than 2.00 and less than 4.00 wt. % cerium, 0.25-3.00 wt. % silicon, 0.25-0.75 wt. % magnesium, 0-0.75 wt. % iron, 0-0.05 wt. % other alloying elements, and the balance of aluminum, based on the total weight of the aluminum alloy aluminum alloy.

Abstract: According to some embodiments, system and methods are provided comprising receiving, via a communication interface of a distortion and correction module comprising a processor, a defined geometry for one or more parts, wherein the parts are manufactured with an additive manufacturing machine; discretizing the defined geometry into a mesh including a plurality of nodes; predicting a distortion of a position of each node of the plurality of nodes; determining whether the predicted distortion position exceeds a pre-set tolerance; determining an adjusted pre-distortion position for each node of the plurality of nodes when the predicted distortion position exceeds the pre-set tolerance; predicting a distortion of the adjusted determined pre-distortion position for each node of the plurality of nodes; determining whether the distortion of the determined adjusted pre-distortion position exceeds the pre-set tolerance; and printing the part when one of the predicted distortion position and the predicted adjusted pre-d

Abstract: The invention belongs to the field of amorphous alloys, and more specifically, relates to a method for calibrating the internal temperature field of amorphous alloy prepared by spark plasma sintering. First, the part required for temperature field calibration inside the bulk amorphous alloy sample obtained by spark plasma sintering is cut into a series of small amorphous alloy samples, and the isothermal crystallization treatment is performed to obtain the crystallization time of different parts of the sample. An annealing-isothermal crystallization experiment is performed on the adopted amorphous alloy powder at different annealing temperatures, and the functional relationship between the annealing temperature and the crystallization time is obtained.

Abstract: A method for forming a three-dimensional article through successive fusion of parts of a metal powder bed is provided, comprising the steps of: distributing a first metal powder layer on a work table inside a build chamber, directing at least one high energy beam from at least one high energy beam source over the work table causing the first metal powder layer to fuse in selected locations, distributing a second metal powder layer on the work table, directing at least one high energy beam over the work table causing the second metal powder layer to fuse in selected locations, introducing a first supplementary gas into the build chamber, which first supplementary gas comprising hydrogen, is capable of reacting chemically with or being absorbed by a finished three-dimensional article, and releasing a predefined concentration of the gas which had reacted chemically with or being absorbed by the finished three dimensional article.

Abstract: A blade (10) for a turbine engine that includes an internal cooling system (56) formed from at least one cavity (58) positioned within a generally elongated airfoil (12). A squealer tip (36) and at least one densified oxide dispersion strengthened layer (38) extend radially from a radially outer tip cap (70) of the blade (10), the tip cap (70) having a tip cap upper surface (50).

Abstract: Turbocharger components comprising a relatively light-weight nicked-based superalloy having an amount of ??-phase domains that is greater than 40% after aging the component at 1000° C. for 300 hours.

Abstract: Raw material powder containing iron powder, copper powder, and tin powder is compressed to form a green compact. The green compact is sintered in a temperature range of from 750 to 900° C., to bond iron structures to each other with copper and tin.

Abstract: A bullet comprising a compacted mixture of copper powder comprising particles that are physically bonded to each other to form a cohesive and ductile microstructure is disclosed. Methods of making such a bullet through powdered metallurgy techniques, which provide sufficient properties to allow the bullet to be loaded into a cartridge and crimped without fracture are also disclosed. Such bullets have sufficient strength to maintain their integrity during firing but may fragment upon impact and can be formulated lead-free.

Abstract: In one embodiment, a permanent magnet includes a composition expressed by RpFeqMrCusCo100-p-q-r-s (R is a rare-earth element, M is at least one element selected from Zr, Ti, and Hf, 10?p?13.5 at %, 28?q?40 at %, 0.88?r?7.2 at %, and 3.5?s?13.5 at %), and a metallic structure including a cell phase having a Th2Zn17 crystal phase, and a cell wall phase. A Fe concentration (C1) in the cell phase is in a range from 28 at % to 45 at %, and a difference (C1?C2) between the Fe concentration (C1) in the cell phase and a Fe concentration (C2) in the cell wall phase is larger than 10 at %.

Abstract: A method of creating thermal boundaries in a substrate is provided. The method includes forming the substrate with first and second sections to be in direct thermal communication with first and second thermal elements, respectively, machining, in the substrate, first and second cavities for defining a third section of the substrate between the first and second sections and disposing a material having a characteristic thermal conductivity that is substantially less than that of the ceramic in the first and second cavities.

Abstract: A manufacturing process is provided. During this process, material is solidified together within a chamber to form an object using an additive manufacturing device. At least a portion of the solidified material is conditioned within the chamber using a material conditioning device.

Abstract: In one embodiment, a permanent magnet includes: a composition expressed by RpFeqMrCusCo100-p-q-r-s (R is a rare-earth element, M is at least one element selected from Zr, Ti, and Hf, 10.8?p?13.5 at %, 28?q?40 at %, 0.88?r?7.2 at %, and 3.5?s?13.5 at %); and a metallic structure including a cell phase having a Th2Zn17 crystal phase, and a cell wall phase. A Cu concentration in the cell wall phase is in a range from 30 at % to 70 at %.

Abstract: A rod, a cutting tool and a method for manufacturing a cutting tool are disclosed. In an embodiment, the rod may include a cemented carbide member containing WC and Co. The cemented carbide member may be elongated and include a first end portion and a second end portion in a longitudinal direction. The first end portion may have a Co content CoAC smaller than a Co content CoBC of the second end portion. The cemented carbide member may include a first portion on a side of the first end portion and a second portion on a side of the second end portion. The first portion may have a gradient S1 representing a change in a Co content per millimeter. The second portion may have a gradient S2 representing a change in a Co content per millimeter. The gradient S1 may be greater than the gradient S2.

Abstract: A method of manufacturing a magnetically graded material, including depositing a steel filler material to a substrate, and applying a directed energy source to first and second regions of the filler material to thereby join the filler material to form a joined material. The energy source is directed to the first region while the first region is provided with an inert shield gas such that the material of the first regions includes a magnetic phase, and the energy source is directed to the second region while the second region is provided with a nitrogen containing shield gas to thereby impart an non-magnetic phase to the joined material.

Abstract: The method includes providing a powder that has heterogeneous particles with a ratio, by weight, of an amount of nickel to an amount of a metal. The ratio is selected in accordance with a compositional ratio that can substantially bear a nickel intermetallic precipitate of the nickel and the metal. The heterogeneous particles are then consolidated and thermally treated to interdiffuse the nickel and the metal. The interdiffused nickel and metal are then precipitation treated to precipitate the nickel intermetallic.

Abstract: A method of metallurgical processing includes, providing a workpiece that has been formed by additive manufacturing of a nickel-chromium based superalloy. The workpiece has an internal porosity and a microstructure with a columnar grain structure and delta phase. The workpiece is then hot isostatically pressed to reduce the internal porosity and to at least partially retain the columnar grain structure and the delta phase. The workpiece is then heat treated to at least partially retain the columnar grain structure and the delta phase.

Abstract: A rare earth based permanent magnet formed by a sintered compact with an R-T-B based composition, wherein, R contains R1 and R2 as the necessity, R1 represents at least one rare earth element including Y and excluding Dy, Tb and Ho, and R2 represents at least one from the group made of Dy, Tb and Ho. Its main phase grains have a core-shell structure in which a core part and shell part coating the core part are contained. When the atom concentrations of R1 and R2 in the core part and the atom concentrations of R1 and R2 in the shell part are defined as ?R1, ?R2, ?R1 and ?R2, respectively, ?R1<?R1, ?R2>?R2, ?R1<?R2 and ?R2<?R1. Relative to all the main phase grains observed at the cross-section of the sintered compact, the ratio occupied by the main phase grain having the core-shell structure is 5% or more.

Abstract: This invention provides a method for manufacturing parts with a built-in channel. Two kinds of materials with different melting points are used, the material with the lower melting point is a molding element with an arbitrary shape, the material with the higher melting point is powdered, and the material with the low melting point is wrapped and positioned in the powder with the high melting point. When the preparation is completed, the low-temperature material is melted down, and the channel with the random shape is formed after sintering. In the application that the metal parts need supply water, air, or oil, instead of the channel acquired by mechanical splicing or the channel molded by 3D printing technology, this method in the invention is with a wide application range, the lower cost, and the simple and controllable technology, and is suitable for mass production and with very broad market prospects.

Abstract: According to one embodiment, a control device detects a field current in a rotary electrical machine, estimates a rate of rotation of a rotor of the machine based on the detected current, obtains a field voltage in the machine based on a difference between the estimated rate of rotation and a target rate of rotation, and controls the switching of an inverter based on the field voltage such that the rate of rotation follows the target rate of rotation. A permanent magnet using the machine is an R—Co permanent magnet containing 25 to 40 at % iron. The control device performs field-weakening control by increasing and decreasing the field voltage based on a negative-field current in accordance with the rate of rotation by a material of the permanent magnet.

Abstract: A method of manufacturing an article by hot pressing and ultrasonically inspecting the article comprises forming and filling a canister with powder material and evacuating and sealing the canister. Heat and pressure are applied to the canister to consolidate the powder material to form the article. The article within the canister is ultrasonically inspected by moving a transducer over the whole of the canister. The position of an interface between the article and the canister, and the thickness of the canister, at each position on the surface of the canister and if there are defects within the article are determined. The canister is then removed from the article by machining the canister using a machining tool, the movement of the tool is controlled such that at each position of the canister the tool removes the determined thickness of the canister for the corresponding position on the surface of the canister.

Abstract: Disclosing herein is a method for manufacturing nickel-titanium compositions. The method includes disposing a powdered composition in a mold; the powdered composition comprising nickel and titanium; the titanium being present in an amount of about 38 to about 42 wt % and the nickel being present in an amount of about 58 to about 62 wt %; sintering the powdered composition to produce a sintered preform; compacting the preform; machining the preform to form an article; heat treating the article; the annealing being conducted at a temperature of about 1650° F. to about 1900° F. at a pressure of about 3 Torr to about 5 Kg?f/cm2 for a time period of about 10 minutes to about 5 hours; and quenching the article.

Abstract: An aluminum alloy wire rod has a composition consisting of 0.10-1.00 mass % Mg; 0.10-1.00 mass % Si; 0.01-1.40 mass % Fe; 0.000-0.100 mass % Ti; 0.000-0.030 mass % B; 0.00-1.00 mass % Cu; 0.00-0.50 mass % Ag; 0.00-0.50 mass % Au; 0.00-1.00 mass % Mn; 0.00-1.00 mass % Cr; 0.00-0.50 mass % Zr; 0.00-0.50 mass % Hf; 0.00-0.50 mass % V; 0.00-0.50 mass % Sc; 0.00-0.50 mass % Co; 0.00-0.50 mass % Ni; and the balance being Al and incidental impurities, wherein at least one of Ti, B, Cu, Ag, Au, Mn, Cr, Zr, Hf, V, Sc, Co and Ni is contained in the composition or none of Ti, B, Cu, Ag, Au, Mn, Cr, Zr, Hf, V, Sc, Co and Ni is contained in the composition. A precipitate free zone exists inside a crystal grain, and the precipitate free zone has a width of less than or equal to 100 nm.

Abstract: An aluminum alloy wire rod has a composition consisting of Mg: 0.10 to 1.00 mass %, Si: 0.10 to 1.00 mass %, Fe: 0.01 to 2.50 mass %, Ti: 0.000 to 0.100 mass %, B: 0.000 to 0.030 mass %, Cu: 0.00 to 1.00 mass %, Ag: 0.00 to 0.50 mass %, Au: 0.00 to 0.50 mass %, Mn: 0.00 to 1.00 mass %, Cr: 0.00 to 1.00 mass %, Zr: 0.00 to 0.50 mass %, Hf: 0.00 to 0.50 mass %, V: 0.00 to 0.50 mass %, Sc: 0.00 to 0.50 mass %, Co: 0.00 to 0.50 mass %, Ni: 0.00 to 0.50 mass %, and the balance: Al and incidental impurities. The aluminum alloy wire rod has an average grain size of 1 ?m to 35 ?m at an outer peripheral portion thereof, and an average grain size at an inner portion thereof is greater than or equal to 1.1 times the average grain size at the outer peripheral portion.

Abstract: A method of manufacturing iron-based powder includes providing an iron-based molten steel manufactured through a iron making process and a steelmaking process to a tundish; and performing water atomization over the molten steel discharged through a nozzle connected to the tundish. The iron-based powder is manufactured from the molten steel refined after a molten iron tapped from a iron making process is charged into a converter without a pre-treatment process of the molten iron, thus economically providing the highly clean iron-based powder.

Abstract: A process is provided for producing a component. The process comprising the steps of: producing a former corresponding to the internal dimensions of the component to be formed; providing a layer of a second material on at least one surface of the former; locating the former in a containment and filling the containment with a first material; subjecting the containment to hot isostatic pressing such that the second material diffuses into the first material.

Abstract: A formed article comprising a nanostructured ferritic alloy is provided. Advantageously, the article is not formed via extrusion, and thus, cost savings are provided. Methods are also provided for forming the article, and the articles so produced, exhibit sufficient continuous cycle fatigue crack growth resistance and hold time fatigue crack growth resistance to be utilized as turbomachinery components, and in particular, large, hot section components of a gas or steam turbine engines. In other embodiments, a turbomachinery component comprising an NFA is provided, and in some such embodiments, the turbomachinery component may be extruded.

Abstract: According to an embodiment, a thermoelectric conversion material is made of a polycrystalline material which is represented by a composition formula (1) shown below and has a MgAgAs type crystal structure. The polycrystalline material includes a MgAgAs type crystal grain having regions of different Ti concentrations. (AaTib)cDdXe??Composition formula (1) wherein 0.2?a?0.7, 0.3?b?0.8, a+b=1, 0.93?c?1.08, and 0.93?e?1.08 hold when d=1; A is at least one element selected from the group consisting of Zr and Hf, D is at least one element selected from the group consisting of Ni, Co, and Fe, and X is at least one element selected from the group consisting of Sn and Sb.

Abstract: The invention refers to a method for manufacturing a three-dimensional metallic article/component made of a Ni-, Co-, Fe-based superalloy or combinations thereof, entirely or partly, by a powder based additive manufacturing process. During the step of performing powder melting by scanning a dual laser setup is used, where two laser beams of different beam properties are combined in the same machine and by adjusted beam profiling and integration of a suitable beam switch in a controlled manner a switching between two different laser beam diameters is performed. In each layer the laser beam with the smaller diameter scans the whole area and in every kth layer, with k>1, the laser beam with the larger diameter scans the area where a coarse grain size is needed thereby remelting the area with fine grain sizes. With such a manufacturing method higher lifetime and operation performances of metallic parts and prototypes can be reached.

Abstract: Method for fabricating a three-dimensional object by successive consolidation, layer by layer, of selected regions of a layer of powder, consolidated regions corresponding to successive sections of the three-dimensional object, comprising in order: a—deposit layer of powder onto a support; b—fuse the layer of powder by a first laser energy source so as to obtain a fused layer corresponding to the section of the object and exhibiting a first state of its mechanical properties, c—heat at least a part of the fused layer by a second electron beam energy source to a temperature which follows a controlled variation over time so as to modify the first state of the fused layer and to obtain a consolidated layer with improved mechanical properties, d—repeat the preceding steps until several superposed consolidated layers are formed with improved properties forming the object.

Abstract: A method for making a treated super-hard structure, the method including providing a super-hard structure comprising super-hard material selected from polycrystalline cubic boron nitride (PCBN) material or thermally stable polycrystalline diamond (PCD) material; subjecting the super-hard structure to heat treatment at a treatment temperature of greater than 700 degrees centigrade at a treatment pressure at which the super-hard material is not thermodynamically stable, for a treatment period of at least about 5 minutes to produce the treated super-hard structure.

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: 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: A method for preparing an R—Fe—B based sintered magnet. The method includes: 1) preparing a R1—Fe—B-M alloy, pulverizing the R1—Fe—B-M alloy to yield a R1—Fe—B-M alloy powder, adding a heavy rare earth powder of R2 or R2X and subsequently adding a lubricant to the R1—Fe—B-M alloy powder and uniformly stirring to form a mixture, where R1 being Nd, Pr, Tb, Dy, La, Gd, Ho, or a mixture thereof; M being Ti, V, Cr, Mn, Co, Ga, Cu, Si, Al, Zr, Nb, W, Mo, or a mixture thereof; R2 being at least one from Tb, Dy, and Ho; X being at least one from O, F, and Cl; 2) pressing the mixture obtained in step 1) to form a compact, and sintering the compact in a pressure sintering device in vacuum or in an inactive gas atmosphere to obtain a magnet; and 3) aging the magnet obtained in step 2).

Abstract: A nickel-base alloy having the following composition (in weight percent unless otherwise stated): Cr 10.5-15.0; Co 1.7-8.8; Fe 0-5.9; Si 0-0.65; Mn 0-0.65; Mo 0.3-2.3; W 2.3-4.4; Al 2.7-4.1; Nb 1.0-4.2; Ti 1.0-3.0; Ta 2.0-5.0; Hf 0.0-0.6; C 0.02-0.06; B 0.015-0.035; Zr 0.035-0.11; S<20 ppm; P<60 ppm; the balance being Ni and incidental impurities. The alloy has an improved combination of properties (principally resistance to surface environmental damage and dwell fatigue crack growth) compared with known alloys, and is intended to operate for prolonged periods of time above 700° C., and up to peak temperatures of 800° C.

Abstract: The present invention relates to a method of making cutting tools comprising a substrate having a hard phase and a binder phase, the method comprising forming green powder compacts using powder metallurgical techniques, charging the green powder compacts, placed on one or several trays, in a furnace and sintering the green powder compacts wherein the furnace comprises an insulation package, at least three individually controlled heating elements located inside the insulation package including a vertical heating element, an upper horizontal heating element arranged in an upper part of the furnace, and a lower horizontal heating element arranged in a lower part of the furnace, wherein operating the at least three heating elements such that an average controlled cooling rate from a sintering temperature down to at least a solidification temperature of the binder phase is 0.1-4.0° C./min, and a sintering furnace operable to obtain a controlled cooling rate.

Abstract: A double-alloy NdFeB rare earth permanent magnetic material and manufacturing method thereof are provided. The method comprises respectively melting an A1 alloy comprising heavy rare earth such as Dy, Tb, Ho and Gd as well as an A2 alloy comprising light rare earth such as La, Ce, Pr and Nd; mixing the A1 alloy and the A2 alloy by a two-dimensional or three-dimensional mixer with a ratio of A1/A2=0˜0.5 under protection of nitrogen; producing powder in a jet mill after mixing; collecting fine powder; putting and mixing the powder and the fine powder in the two-dimensional or three-dimensional mixer; putting into a magnetic field pressing machine for pressing under the protection of the nitrogen after mixing and producing permanent magnetic products by sintering, aging, etc. The present invention can obviously decrease rare earth utilization and increase a magnetic energy product and coercivity of the rare earth permanent magnet.

Abstract: In a process, a thermally stable diamond table body and a substrate are stacked on each other at an interface which includes a layer of a imbibiting material interposed between a bottom surface of the body and an upper surface of the substrate. The stack is subjected to a suitable thermal cycle, constituted by heating, temperature maintenance and cooling, which brings at least some of the imbibiting material into the liquid state for migration into the thermally stable diamond table body and substrate at and about the interface so as to join the thermally stable diamond table body to the substrate. The substrate may be produced as a block of dense material constituted by hard particles dispersed in a binder phase, wherein the dense material has been enriched locally with binder phase by imbibition.

Abstract: A method for manufacturing a high melting point metal based object includes providing pure high melting point metal based powder, fabricating a green object from the powder, by way of a laser sintering technique, providing infiltration treatment to the green object, and providing heating pressure treatment to the green object. The temperature to the green object is controlled to the re-sintering point of the green object.

Abstract: A process includes sintering hydrogenated titanium or titanium hydride (TiH2) and/or Ti metal in a dynamically controlled hydrogen atmosphere with hydrogen partial pressure greater than 0.

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 and process for at least partially forming a medical device that is at least partially formed of a novel metal alloy which improves the physical properties of the medical device.

Abstract: A method for consolidating a pre-form made of powder, comprising: (a) placing the pre-form between smart susceptors; (b) heating the smart susceptors to a leveling temperature by applying a varying low-strength magnetic field having a magnetic flux that passes through surfaces of the smart susceptors; (c) applying consolidation pressure to the pre-form at least during a time period subsequent to the temperature of the smart susceptors reaching the leveling temperature; and (d) while consolidation pressure is being applied, applying a pulsed high-strength magnetic field having a magnetic flux that passes through a surface of the pre-form. The strength and pulse rate of the high-strength magnetic field are selected so that the crystallographic phase of the pre-form will rapidly oscillate at a substantially constant temperature. The pulsed high-strength magnetic field is applied sufficiently long that superplasticity of the pre-form is attained during phase oscillation.

Abstract: A small diameter, elongated steel article, comprising fully consolidated, prealloyed metal powder is disclosed. The consolidated metal powder has a microstructure that has a substantially uniform distribution of fine grains having a grain size of not larger than about 9 when determined in accordance with ASTM Standard Specification E 112. The microstructure of the consolidated metal powder is further characterized by having a plurality of substantially spheroidal carbides uniformly distributed throughout the consolidated metal powder that are not greater than about 6 microns in major dimension and a plurality of sulfides uniformly distributed throughout the consolidated metal powder wherein the sulfides are not greater than about 2 microns in major dimension. A process for making the elongated steel article is also disclosed.

Abstract: The present invention discloses an R-T-B-M-C sintered magnet and a method for manufacturing the R-T-B-M-C sintered magnet from an R-T-B-M-C alloy powder including the lubricant. The present invention also discloses an apparatus for manufacturing the R-T-B-M-C sintered magnet from the R-T-B-M-C alloy powder including the lubricant. The apparatus includes an alloy powder feeding mechanism for distributing the R-T-B-M-C alloy powder including the lubricant, a filling mechanism including a mold for receiving the R-T-B-M-C alloy powder including the lubricant, a press mechanism for compressing the R-T-B-M-C alloy powder including the lubricant and a stacking mechanism for storing the mold including the R-T-B-M-C alloy powder including the lubricant.

Abstract: A gas turbine airfoil having internal cooling passages is formed by additive manufacturing. Layers of superalloy powder are fused by an energy beam using a two-dimensional pattern providing unmelted areas forming passageways therein. Layers of the powder are added and fused using sufficient two-dimensional patterns to form the entire airfoil with the desired pattern of internal cooling passages. After completion of the formation of the airfoil, it may be hot isostatic pressed, directionally recrystallized, bond coated, and covered with a thermal barrier layer.

Abstract: The invention refers to a method for manufacturing a three-dimensional metallic article/component entirely or partly. The method includes a) successively building up said article/component from a metallic base material by means of an additive manufacturing process by scanning with an energy beam, thereby b) establishing a controlled grain orientation in primary and in secondary direction of the article/component, c) wherein the secondary grain orientation is realized by applying a specific scanning pattern of the energy beam, which is aligned to the cross section profile of said article/component, or with characteristic load conditions of the article/component.

Abstract: A method of making a sintered article in which a solid object is embedded includes forming a green body of compressed particles with the solid body is partially embedded. The green body includes an opening across which the solid body extends. The green body is sintered to form a sintered body and the opening permits deformation of the solid body in response to stress applied during the sintering process. A sintered article in which a solid body is at least partially embedded includes an opening. The solid body extends across the opening so that the solid body can deform within the opening. The opening in the solid body prevents distortion of the sintered body from a planar configuration during sintering, even when the green body is relatively thin.

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 method is provided that includes depositing metal powder over a seed crystal having a predetermined primary orientation, scanning an initial pattern into the metal powder to melt or sinter the deposited metal powder, and re-scanning the initial pattern to re-melt the scanned metal powder and form an initial layer having the predetermined primary orientation. The method further includes depositing additional metal powder over the initial layer, scanning an additional pattern into the additional metal powder to melt or sinter at least a portion of the additional metal powder, re-scanning the additional pattern to re-melt a portion of the initial layer and the scanned deposited additional metal powder to form a successive layer having the predetermined primary orientation, and repeating the steps of depositing additional metal powder, scanning the additional pattern, and re-scanning the additional pattern, until a final shape of the component is achieved.