Abstract: A method for manufacturing a part 20 including a formation of successive metallic layers (201 . . . 20n), superimposed on one another, each layer being formed by the deposition of a filler metal (15, 25), the filler metal being subjected to an energy input so as to melt and constitute, when solidifying, said layer, the method being characterized in that the filler metal (15, 25) is an aluminum alloy including the following alloy elements (weight %): Zr: 0.5% to 2.5%, preferably according to a first variant 0.8 to 2.5%, more preferably 1 to 2.5%, still more preferably 1.3 to 2.5%; or preferably according to a second variant 0.5 to 2%, more preferably 0.6 to 1.8%, more preferably 0.6 to 1.6%, more preferably 0.7 to 1.5%, more preferably 0.8 to 1.5%, more preferably 0.9 to 1.5%, still more preferably 1 to 1.4%; Fe: 0% to 3%, preferably 0.5% to 2.5%; preferably according to a first variant 0.8 to 2.5%, preferably 0.8 to 2%, more preferably 0.8 to 1.2; or preferably according to a second variant 1.5 to 2.

Abstract: To provide a Ni-based corrosion resistant alloy powder suitable for additive manufacturing and a manufacturing method using this powder for manufacturing an additive manufacturing product that has excellent corrosion resistance and few defects. This Ni-based corrosion resistant alloy powder for additive manufacturing has a component composition which contains, in mass %, Cr: 14.5-24.5%, Mo: 12.0-23.0%, Fe: 0.01-7.00%, Co: 0.001-2.500%, Mg: 0.010% or less, N: 0.040% or less, Mn: 0.001-0.50%, Si: 0.001-0.200%, Al: greater than 0-0.50%, Ti: 0.001-0.500%, Cu: 0.250% or less, V: 0.001-0.300%, B: 0.0001-0.0050%, Zr: 0.0001-0.0200% and O: 0.0010-0.0300%, the remainder being Ni and unavoidable impurities; the C, S and P contained as the aforementioned unavoidable impurities include less than 0.05% of C, less than 0.01% of S and less than 0.01% of P, wherein the powder has a particle distribution in which d10 is 15-100 ?m, d50 is 30-250 ?m and d90 is 50-480 ?m.

Abstract: A process for manufacturing a part comprising a formation of successive metal layers, superimposed on one another, wherein each layer is formed by the deposition of a filler metal, the filler metal being subjected to an input of energy so as to melt and to constitute said layer by solidifying, the process being characterized in that the filler metal is an aluminium alloy comprising the following alloy elements (% by weight): —Fe: 2% to 8%, and preferably 2% to 6%, more preferentially 3% to 5%; —optionally Zr: 0.5% to 2.5% or 0.5% to 2% or 0.7% to 1.5%; —optionally Si: <1%, or even <0.5% or even <0.2% or even <0.05%; —optionally Cu: ?0.5%, or even <0.2%, or even <0.05%; —optionally Mg: ?0.2%, preferably ?0.1%, preferably <0.05%; —optionally other alloy elements<0.1% individually and in total<0.5%; —impurities: <0.05%, or even <0.01% individually, and in total<0.15%; remainder aluminium.

Abstract: A method for producing a collector alloy comprising 25 to 100 wt % precious metal in total, comprising 0 to <97 wt % of the precious metal silver, 0 to 75 wt % of at least one precious metal selected from gold, platinum, rhodium and palladium, and 0 to 75 wt % of at least one non-precious metal selected from copper, iron, tin and nickel, or for producing pure silver, comprising the steps of: (1) providing precious metal sweeps; (2) providing a flux which, during collective melting with the refractory inorganic material from the precious metal sweeps provided in step (1); (3) collective melting of the materials provided in steps (1) and (2) at a temperature in the range of from 1300 to 1600° C., forming a melt comprising at least two phases of different densities arranged one above the other; and, (4) separating the upper phase and the lower phase.

Abstract: The present disclosure is directed to methods of preparing permanent magnets having improved coercivity and remanence, the method comprising: (a) homogenizing a first population of particles of a first GBM alloy with a second population of particles of a second alloy to form a composite alloy preform, the first GBM alloy being represented by the formula: ACbRxCoyCudMz, the second alloy being represented by the formula G2Fe14B, where AC, R, M, G, b, x, y, and z are defined; (b) heating the composite alloy preform particles to form mixed alloy particles; (c) compressing the mixed alloy particles, under a magnetic field of a suitable strength to align the magnetic particles with a common direction of magnetization and inert atmosphere, to form a green body; (d) sintering the green body; and (e) annealing the sintered body. Embodiments include magnets comprising neodymium-iron-boron core alloys, including Nd2Fe14B.

Abstract: The present disclosure is directed to novel high entropy alloys, including refractory high entropy alloys, and methods of selecting high entropy alloys and refractory high entropy alloys with select nuclear application predetermined properties.

Abstract: An oriented electrical steel sheet according to an embodiment of the present invention includes: a base texture; an AI permeation layer positioned on the base texture; and a film positioned on the AI permeation layer, wherein the AI permeation layer includes AI at 0.5 to 5 wt %, and the film includes an Al—Mg composite.

Abstract: A continuous flow process for the synthesis of metal nanowires using a bubble column reactor. Also disclosed are different types of multiphase bubble column reactors for synthesizing metal nanowires in high yields and purity through a continuous process. The continuous process provides tunability for the aspect ratio of the nanowires.

Abstract: A composition of matter defined by the general formula of M2+vL1?vX2, wherein: X is carbon; M represents a transition metal selected from the group consisting of Ti, Ta, Sc, Cr, Zr, Mo, V, and Nb; and L represents a lanthanide element selected from the group consisting of Ce, Pr, Nd, Sm, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu.

Abstract: An additive manufacturing system and process for manufacturing aircraft parts is disclosed. The process applying an additive manufacturing process to a build tube formed around a longitudinal axial direction of the build tube by rotating the build tube around a longitudinal axis. Then, translating, by the additive manufacturing process, a print-head in a parallel configuration to the longitudinal axis to enable the print-head to deposit an aerospace grade material on a surface of the build tube to form a manufactured component. After completion of the additive manufacturing process, applying another process using a device wherein the device applies a machining process in the longitudinal axial direction to remove the build tube wherein the machining process comprising machining an interior surface of the manufactured component to expose the interior surface of the manufactured component.

Abstract: A cemented carbide comprising a first phase, a second phase and a third phase, wherein: the first phase consists of a plurality of tungsten carbide particles; the second phase consists of cobalt; the cobalt content C5 in the cemented carbide is 3% to 15%; the third phase consists of at least one element selected from the group consisting of titanium, tantalum, niobium, zirconium and tungsten, and at least any of carbon and nitrogen; the Vickers hardness a of the cemented carbide is 12.5 GPa to 14.5 GPa; the cemented carbide includes a first region; the first region has a second region; in the first region, a point P2 indicating the Vickers hardness b, which is the maximum value of the Vickers hardness, exists in the second region; and the difference b-a between the Vickers hardness b and the Vickers hardness a is 1.8 GPa or more.

Abstract: Improved randomized porous structures and methods of manufacturing such porous structures are disclosed. The scaffold of the porous structures are formed from by dividing the space between a plurality of spatial coordinates of a defined volume, where the plurality of spatial coordinates have been moved in a random direction and a random finite distance according to a predetermined randomization limit.

Abstract: Provided is a cemented carbide suitable for use as a material in the manufacture of a punch for metal forming and in particular for the manufacture of metal beverage cans. The cemented carbide may include a hard phase that includes WC, a binder phase and a gamma phase. The gamma phase may include metal carbides in combination with metal nitrides or metal carbonitrides. A quotient of the average grain size of WC/the average grain size of the gamma phase may be in a range of from 0.5 to 1.5.

Abstract: According to one aspect of the present invention, what is provided is a rail including, by mass %: C: 0.75% to 1.20%; Si: 0.10% to 2.00%; Mn: 0.10% to 2.00%; Cr: 0.10% to 1.20%; V: 0.010% to 0.200%; N: 0.0030% to 0.0200%; P?0.0250%; S?0.0250%; Mo: 0% to 0.50%, Co: 0% to 1.00%; B: 0% to 0.0050%; Cu: 0% to 1.00%; Ni: 0% to 1.00%; Nb: 0% to 0.0500%; Ti: 0% to 0.0500%; Mg: 0% to 0.0200%; Ca: 0% to 0.0200%; REM: 0% to 0.0500%; Zr: 0% to 0.0200%; Al: 0% to 1.00%; and a remainder consisting of Fe and impurities, in which a structure ranging from an outer surface of a head portion as an origin to a depth of 25 mm includes 95% or greater of a pearlite structure by area ratio, the hardness of the structure is in a range of Hv 360 to 500, and in ferrite of the pearlite structure at a position at a depth of 25 mm from the outer surface of the head portion as the origin, the number density of a V nitride having a grain size of 0.5 to 4.0 nm and including Cr is in a range of 1.0×1017 to 5.0×1017 cm?3.

Abstract: In embodiments, pressurized fluid containing reagents of formulated mixtures of solids, liquids and gasses are delivered into a cased well then into the heap or pile to open or stimulate new horizontal and vertical fluid pathways, channels, plus drains from the open bottom of the well to the bottom of the heap or pile for fluid collection. This delivery method may also drain any fluids that are retained and pooled in the heap or pile. The removal of pooled fluids will increase the inter-particle cohesion and friction in the heap or pile, thus adding geotechnical stability and resistance to movement of the heap or pile. The cased wells may also add shear strength to the collective to retard movement of the heap or pile.

Abstract: A nickel-base alloy for high-temperature applications, preferably for gas turbines, and a process. A selective choice of alloy elements permits the provision of an alloy which can be used to produce components devoid of cracking.

Abstract: The cryogenic austenitic high-manganese steel having excellent corrosion resistance, according to one aspect of the present invention, comprises 0.2-0.5 wt % of C, 23-28 wt % of Mn, 0.05-0.5 wt % of Si, 0.03 wt % or less of P, 0.005 wt % or less of S, 0.5 wt % or less of Al, and 3-4 wt % of Cr, with the remainder being Fe and other unavoidable impurities, also comprises at least 95 area % of austenite as a microstructure, and has Cr concentration sections continuously formed within an area of 50 ?m in the thickness direction from the surface, wherein the Cr concentration sections comprise a high Cr concentration section having a relatively high concentration of Cr, and a low Cr concentration section having a relatively low concentration of Cr, and the high Cr concentration section may be distributed at 30 area % or less (but not 0%) relative to the whole surface area of the Cr sections.

Abstract: An iron-based alloy has excellent corrosion resistance and high strength and a method of manufacturing the iron-based alloy. The iron-based alloy includes Cr: 10 to 22 mass %, W: 1 to 12 mass %, and C: 0.1 to 2.3 mass %, with the remainder being unavoidable impurities and Fe, and is composed of a cast material having a structure composed mainly of austenite or a quenched material having a structure composed mainly of martensite and in which carbides are precipitated. The iron-based alloy may further include Cu: 0.5 to 6 mass % and/or Ni: 0.5 to 2.5 mass %, and may further include at least one of Al, Mo, and Si in an amount of 1 to 3 mass %.

Abstract: This hot-rolled steel sheet has a predetermined chemical composition, a microstructure includes 80% or more of tempered martensite by a volume percentage and a remainder consisting of one or more of ferrite, pearlite, bainite, fresh martensite, and residual austenite, the tempered martensite includes 5×109 pieces/mm3 or more of precipitates containing Ti and having an equivalent circle diameter of 5 nm or less per unit volume, in a surface layer region that is a range from a surface to a 1/10 position of a sheet thickness, a sum of an average pole density of a crystal orientation group consisting of {211}<111> to {111}<112> and a pole density in a crystal orientation of {110}<001> is 6.0 or less, and a tensile strength is 980 MPa or more.

Abstract: The present invention relates to a steel material used as materials for building structures, ship structures, offshore structures, or the like and, more specifically, to a steel material having low yield ratio and excellent weld heat affected zone toughness and a manufacturing method therefor.