Abstract: The method for manufacturing an additively manufactured object includes: forming a precursor having an opening portion that communicates with an internal space, by jetting a liquid binder onto a powder layer to form solidified layers and stacking the formed solidified layers; forming a plug configured to be assembled with the opening portion; removing unsolidified powder remaining in the internal space from the opening portion; applying the liquid binder to an outer peripheral wall of the plug after removing the unsolidified powder; assembling the plug with the opening portion such that the outer peripheral wall of the plug comes into contact with an inner peripheral wall of the opening portion; and sintering the precursor having the plug assembled with the opening portion.

Abstract: A method for forming a zinc-plated steel plate or steel belt having good corrosion resistance, comprising the following steps: 1) conveying the steel plate or steel belt into a heating furnace higher than Ac3, austenitizing the steel plate or steel belt, and keeping the temperature for 1-7 minutes; 2) before the steel plate or steel belt leaves the heating furnace and enters a forming mold, applying different cooling manners according to different plated thicknesses, wherein when the single-sided weight of the plating is less than or equal to 50 g/m2, only air cooling is required before transferring to the forming mold, when the single-sided weight of the plating is greater than 50 g/m2, aerial fog or water mist precooling is performed before transferring to the forming mold, and the steel plate is cooled to be below 700° C. at a cooling sped greater than 30° C.

Abstract: A cemented carbide having an eta phase and a Ni—Al binder is provided. The binder includes intermetallic ??-Ni3Al-precipitates embedded in a substitutional solid solution matrix including Al and Ni. Further, the cemented carbide has a surface zone free from eta phase. A method of making a cutting tool is also provided.

Abstract: A method for manufacturing a metal alloy component. The method comprises heating a shaped metal component and an alloying element source of vapor-phase transportable alloying element species in a reactor in the presence of a vapor-phase transport agent, wherein the heating is conducted under conditions which cause the vapor-phase transportable alloying element species to diffuse into the shaped metal component; and forming a metal alloy component alloyed with element species from the alloying element source.

Abstract: A printer having a pump which includes an inner cavity which retains a liquid metal printing material, and a nozzle, where the nozzle is configured to eject a plurality of liquid metal drops, an actuation coil configured to supply a pulse to the liquid metal to generate an electromagnetic force upon the liquid metal, where the actuation coil supplies a pulse at a first time varying current pulse, where the electromagnetic force causes the nozzle to eject a drop of liquid metal. The actuation coil also supplies a pulse at a second time varying current pulse, where the electromagnetic force is not sufficient to eject a drop of liquid. A method for metal jetting in a printer is also disclosed where differences between the temperature in an upper portion of the pump and the temperature in a lower portion of the pump are minimized.

Abstract: The present disclosure describes methods and systems for making three-dimensional printed objects. In one example, a method of making a three-dimensional printed object can include iteratively applying individual particulate build material layers to a powder bed. The particulate build material can include polymer particles that include a polyolefin and first nanoparticles compounded nanoparticles compounded with the polyolefin such that the first nanoparticles are embedded nanoparticles are embedded within the polymer particles. Second nanoparticles can be dry blended with the polymer particles. The first nanoparticles and second nanoparticles can include metal or metal oxide. The first and second nanoparticles can have a higher thermal conductivity that the polyolefin. A fusing agent including water and an electromagnetic radiation absorber can be selectively jetted onto the individual particulate build material layers.

Abstract: Metal matrix composite particle mixtures are disclosed comprising (a) primary tungsten metal particles; (b) metal carbide particles; (c) substantially spherical fused carbide particles; and (d) a binder. The present invention also provides a metal matrix composite comprising metal matrix composite particle mixtures disclosed herein and binders.

Abstract: A method for treating the surface of a titanium or titanium alloy metal reinforcement of a blade made of composite material enables selective removal of a bonding primer with respect to the titanium or titanium alloy reinforcement. The method includes subjecting the metallic reinforcement to a thermal treatment performed at a temperature of between 250 and 350° C. for a period of between 1 hour and 10 hours in an oxidizing atmosphere. The method further includes subjecting the metallic reinforcement, after the thermal treatment, to a chemical pickling in an alkaline bath.

Abstract: A ferrosilicon vanadium and/or niobium (FeSi V and/or Nb) alloy having 15-80 wt % Si; 0.5-40 wt % V and/or Nb; up to 10 wt & Mo; up to 5 wt % Cr; up to 3 wt % Cu; up to 3 wt % Ni; up to 20 wt % Mg; 0.01 to 7 wt % Al; up to 13 wt % Ba; 0.01 to 7 wt % Ca; up to 13 wt % Mn; up to 8 wt & Zr; up to 12 wt & La and/or Ce and/or misch metal; up to 5 wt % Sr; up to 3 wt % Bi; up to 3 wt & Sb; up to 1.5 wt % Ti; balance Fe and incidental impurities; a method for the production of a FeSi V and/or Nb alloy and the use thereof in cast iron.

Abstract: A wire rod for a 5000 MPa-grade diamond wire and a production method are provided. The wire rod includes the following chemical components: 1.01% to 1.1% of carbon, 0.15% to 0.4% of silicon, 0.3% to 0.6% of manganese, 0.01% to 0.4% of chromium, 0.0005% to 0.002% of boron and/or 0.01% to 0.09% of vanadium; and the balance of iron and impurities. The production method includes vacuum melting, electroslag remelting and/or vacuum consumable melting, grinding after cogging/forging, high-speed wire rolling and cooling, and cogging at 1030° C. to 1060° C. The wire rod, with structural uniformity and tensile strength of more than or equal to 1320 MPa, can be configured to prepare 5000 MPa-grade steel wires with a diameter of 40 ?m to 46 ?m.

Abstract: Provided is a grain-oriented electrical steel sheet having both low iron loss and good magnetostrictive properties, with which a transformer having excellent properties can be manufactured. The grain-oriented electrical steel sheet of the present disclosure has a linear strain region extending linearly in a direction intersecting the rolling direction, where the linear strain region has a region having compressive stress in the rolling direction, and a region adjacent in a rolling direction to the region having compressive stress has a region having tensile stress in the rolling direction.

Abstract: Provided is a steel sheet which can be used for automobile parts and the like, and relates to a steel sheet having an excellent balance of strength and ductility, an excellent balance of strength and hole expansibility and excellent bending workability, and a method for manufacturing same.

Abstract: A method for recovering a valuable substance is provided. The method includes a thermal treatment step of thermally treating a target containing a valuable substance using a continuous furnace configured to thermally treat the target while moving a target storing unit, in which the target is stored, such that the target storing unit is not contacted by a flame that is for thermal treatment, and a valuable substance recovering step of recovering the valuable substance from a thermally treated product of the target obtained in the thermal treatment step.

Abstract: Methods and systems for high pressure die casting with metal alloys of low silicon content are described. Metal alloys can be modified with nanoparticles to achieve high fluidity and hot cracking resistance to be compatible with high pressure die casting. The die cast metal parts have high strength, high ductility, and high thermal and electrical conductivity. The die cast metal parts can be anodized with different colors.

Abstract: An ABs-type hydrogen storage alloy is provided that has a low Co amount and uses Mm composed of La and Ce, which is capable of preventing a decrease in lifetime characteristics. The hydrogen storage alloy has an ABx composition constituted with an A-site composed of an Mm and a B-site composed of Ni, Co, Mn, and Al, or Ni, Mn, and Al, wherein Mm is composed of La and Ce; the molar ratio of Co is 0.0 or more and 0.11 or less when the molar ratio of Mm is 1.00; the ratio (Al/Mn) of the molar ratio of Al to the molar ratio of Mn is 0.35 to 1.10; and the ratio of the c-axis length to the a-axis length in the CaCu5-type crystal structure is 0.8092 or more.

Abstract: MMC's comprising an Al-RB alloy-based matrix and ceramic, metal and/or intermetallic reinforcement particulates dispersed in the alloy matrix provide improved strength and ductility wherein the reinforcement particulates have a higher melting temperature than the matrix alloy.

Abstract: Disclosed herein are a solder alloy composition comprising Sn—Bi—In base solder particles. The Sn—Bi—In base solder particles is characterized by having an average diameter less than 10 ?m, and the Sn—Bi—In base alloy comprises 12-22% of Sn, 33-43% of Bi and 45-55% by weight. Also disclosed herein is a method for producing the Sn—Bi—In base solder particles. The method mainly includes the steps of, sintering a mixture comprising tin (Sn), bismuth (Bi) and indium (In) at a designated weight ratio to produce a bulk alloy; dissolving the bulk alloy to produce an alloy solution; and subjected the alloy solution to ultrasonication at a first temperature of about 65-85° C. and then cooling at a second temperature of about 0-25° C., thereby produces the present Sn—Bi—In base solder particles.

Abstract: An embodiment of the present invention provides a high strength thin steel material for API having excellent resistance to deformation and a method of manufacturing same, the steel material comprising, in weight %, C: 0.05-0.15%, Si: 0.5% or less (0% excluded), Mn: 0.5-2.5%, Nb: 0.05% or less (0% excluded), V: 0.004% or less (0% excluded), Mo: 0.03-0.2%, Cr: 0.1-0.3%, P: 0.03% or less (0% excluded), S: 0.015% (0% excluded), Al: 0.05% or less (0% excluded), N: 0.01% or less (0% excluded), and the balance being Fe and other inevitable impurities, wherein the microstructure of the steel material comprises, in area %, ferrite: 10~30% and the balance being bainite, the ferrite having an average crystal grain size of 15-30 ?m and including 3,000/?m2 or less V-based precipitates.

Abstract: The present invention relates to a steel material for a pressure vessel, which is used in a hydrogen sulfide atmosphere, and, more specifically, to a steel material having excellent hydrogen induced cracking (HIC) resistance, and a manufacturing method therefor.

Abstract: An R-T-B permanent magnet that contains: main-phase grains composed of an R2T14B compound (where R is a rare earth element, T is a transition metal element, and B is boron); and grain boundaries. R includes Ce. The R-T-B permanent magnet has a Ce content of 15-35 mass % with respect to the total R content. The grain boundaries include an R-rich phase and an R-T phase. In a cross section of the R-T-B permanent magnet, the surface area ratio S(R-T) of the R-T phases with respect to the grain boundaries is 0.60-0.85.