Abstract: According to embodiments of the present invention, an amorphous alloy includes at least Pt, P, Si and B as alloying elements, and has a Pt weight fraction of about 0.925 or greater. In some embodiments, the Pt weight fraction is about 0.950 or greater.

Abstract: One embodiment provides a composition, the composition comprising: an alloy that is at least partially amorphous and is represented by a chemical formula: (Zr, Ti)aMbNcSnd, wherein: M is at least one transition metal element; N is Al, Be, or both; a, b, c, and d each independently represents an atomic percentage; and a is from about 30 to 70, b is from about 25 to 60, c is from about 5 to 30, and d is from about 0.1 to 5.

Abstract: The invention relates to a watch-making or clock-making component comprising an amorphous metal alloy corresponding to the formula: FeaCobNicNbdVeBfTag, in which: 0<a<70; 0<b<70; 8<c<60; 1<d<19; 1<e<10; 12<f<25; 0<g<5; with 20<a+b<70; 50<a+b+c<90; 5<d+e<20; and a+b+c+d+e+f+g=100. This watch-making or clock-making component may be a spring, such as a barrel spring.

Abstract: The invention relates to an amorphous metal alloy which may be used in the field of mechanical applications, in particular as a spring. This amorphous metal alloy corresponds to the formula FeaCObNicNbdVeBfTag in which: 0?a?70; 0?b?70; 8<c?60; 1?d?19; 1?e<?10; 12?f?25; 0?g?5; with 20?a+b?70; 50?a+b+c?90; 5?d+e?20; and a+b+c+d+e+f+g=100.

Abstract: An improved sterling silver alloy. Like all sterlings, the improved alloy is at least 92.5 percent silver by weight. It has less copper than traditional sterlings: 3.0 percent versus the traditional 7.5 percent. Additionally, the improved alloy includes about 2.75 percent palladium, about 1.0 percent tin, and about 0.75 percent zinc, all by weight. A grain refiner, such as ruthenium, may also be provided. The components of the preferred alloy are melted, degassed, remelted, and then formed into casting grains, wire, and etc. The resulting alloy is significantly harder, as cast, than traditional sterlings: 95-120 Vickers versus 65 Vickers for traditional sterlings. The improved alloy also exhibits improved corrosion resistance. Other than a slightly higher (<200° F.) liquidus temperature, the improved alloy may be worked in substantially the same manner as traditional sterlings. Pieces cast from the improved alloy may be age hardened to about 160 Vickers, if desired.

Abstract: A multi-phase steel sheet having microstructure having in combination ferrite, martensite of between 3% and 65% by volume, and at least one microstructure selected from the group consisting of, bainite and retained austenite, and having fine complex precipitates selected from the group of TiC, NbC, TiN, NbN, (Ti.Nb)C, (Ti.Nb)N, and (Ti.Nb)(C.N) particles having at least 50% smaller than 20 nm in size, and physical properties having tensile strength greater than about 780 megapascals and at least one of the properties of elongation greater than about 10%, yield ratio greater than about 70%, and hole expansion ratio greater than about 50%.

Abstract: A metal composite comprising a spinodal structure having at least one ductile phase and method of making same is disclosed. The metal composite is formed by forming an alloy comprising a positive heat of mixing in the liquid state; purifying the alloy; and forming a network structure of the alloy comprising at least one ductile sub-network.

Abstract: This invention discloses an L,R,C method and equipment for casting amorphous, ultracrystallite and crystallite metal slabs or other shaped metals. A workroom (8) with a constant temperature of tb=?190° C. and a constant pressure of pb=1 bar, and liquid nitrogen of ?190° C. and 1.877 bar is used as a cold source for cooling the casting blank. A liquid nitrogen ejector (5) ejects said liquid nitrogen to the surface of ferrous or non-ferrous metallic slabs or other shaped metals (7) with various ejection quantity v and various jet velocity k. Ejected liquid nitrogen comes into contact with the casting blank at cross section c shown in FIG. 2. This method adopts ultra thin film ejection technology, with a constant thickness of said film at 2 mm and ejection speed Kmax of said liquid nitrogen at 30 m/s.

Abstract: A variable hardness gradient armor alloy is produced with a liquid-state reaction between a metallic molten pool and a gaseous atmosphere having a small fraction of reactive gas. The content of the reactant gas is varied as the armor is fabricated in order to vary the properties of the resultant material across its thickness and typically include, for example, a hardened outer or initial layer for impact resistance, and at least one inner layer having a lower hardness than the outer layer but greater energy absorption.

Abstract: One embodiment provides a method of melting, comprising: providing a mixture of alloy elements that are at least partially crystalline; and heating the mixture in a container to a temperature above a melting temperature of the alloy elements to form an alloy, wherein the container comprises silica, and wherein the mixture comprising Zr and is free of Ti and Be.

Abstract: The present disclosure provides a method for making magnesium-based composite material. The method comprises the following steps. Firstly, a semi-solid-state magnesium-based material is provided. Secondly, at least one nanoscale reinforcement is added into the semi-solid-state magnesium-based material to obtain a semi-solid-state mixture. Thirdly, the semi-solid-state mixture is heated to a liquid-state mixture. Fourthly, the liquid-state mixture is ultrasonically processed. Fifthly, the liquid-state mixture is cooled to obtain the magnesium-based composite material.

Abstract: The present invention provides an Ni-base dual multi-phase intermetallic compound alloy which has a dual multi-phase microstructure including: a primary precipitate L12 phase and an (L12+D022) eutectoid microstructure, and which comprises more than 5 atomic % and up to 13 atomic % of Al; at least 9.5 atomic % and less than 17.5 atomic % of V; between 0 atomic % and 5.0 atomic % inclusive of Nb; more than 0 atomic % and up to 12.5 atomic % of Ti; more than 0 atomic % and up to 12.5 atomic % of C; and a remainder comprising Ni.

Abstract: The application provides a method for manufacturing melt-spinning alloys and an apparatus thereof, which belongs to the technical field of metal materials and preparation thereof. The main feature of method including steps of melting alloy and jetting the molten alloy for rapid-quenching is that alloy melting and rapid-quenching are respectively implemented in independent environments, and the pressure of the two environments can be adjusted separately. The method can realize uniformity control of rapid-quenching velocity by controlling the melting and quenching pressure respectively, which has the advantages of increased rapid-quenching cooling rate, improved melt-spinning alloys thickness uniformity, reduced probability of nozzle clogging.

Abstract: The present invention provides an Ni-base dual multi-phase intermetallic compound alloy which has a dual multi-phase microstructure comprising a primary precipitate L12 phase and an (L12+D022) eutectoid microstructure, and which comprises: more than 5 atomic % and up to 13 atomic % of Al; at least 9.5 atomic % and less than 17.5 atomic % of V; more than 0 atomic % and up to 12.5 atomic % of Nb; more than 0 atomic % and up to 12.5 atomic % of C; and a remainder comprising Ni.

Abstract: Metal seeds for forming single-crystal shape-memory alloys (SMAs) may be fabricated with high reliability and control by alloying thin films of material together. In particular, described herein are methods of forming AlCuNi SMAs by first producing high-quality seeds (ingots) of copper, aluminum, and nickel to produce for pulling single crystal shape memory alloys, in particular superelastic or hyperelastic alloys. The method is applicable to a wide range of alloys in which one or more of the components are reactive. The method is an improvement upon traditional methods such as mixing and melting pellets. In this improved method, a reactive layer (e.g., aluminum) is provided in thin flat layers between layers of other materials (e.g., copper and layers of nickel).

Abstract: A cage is made of a magnesium alloy such as AZ91D, and is molded by means of injection molding. In this cage, a confluence region is brought away to outside the cage during the injection molding. The confluence region is a region including a void formed by merging of flows of the magnesium alloy. When observing a cross sectional surface of the cage, a ratio of an ? phase having a grain size of 20 ?m or greater is less than 15% in the magnesium alloy constituting the cage.

Abstract: A Zr-based amorphous alloy and a method of preparing the same are provided. The Zr-based amorphous alloy is represented by the general formula of (ZraM1-a)100-xOx, in which a is an atomic fraction of Zr, and x is an atomic percent of 0, in which: 0.3?a?0.9, and 0.02?x?0.6; and M represents at least three elements selected from the group consisting of transition metals other than Zr, Group IIA metals, and Group IIIA metals.

Abstract: Bulk solidifying amorphous alloys exhibiting improved processing and mechanical properties and methods of forming these alloys are provided. The bulk solidifying amorphous alloys are composed to have high Poisson's ratio values. Exemplary Pt-based bulk solidifying amorphous alloys having such high Poisson's ratio values are also described. The Pt-based alloys are based on Pt—Ni—Co—Cu—P alloys, and the mechanical properties of one exemplary alloy having a composition of substantially Pt57.5Cu14.7Ni5.3P22.5 are also described.

Abstract: Eyewear and eyewear structures comprising bulk-solidifying amorphous alloys and methods of making eyewear structures from such bulk-solidifying amorphous alloys are described. The bulk-solidifying amorphous alloys provide form and shape durability, the minimum use of fasteners in the eyewear structure, high resistance to chemical and environmental effects, and low-cost net-shape fabrication for intricate eyewear design and shapes.

Abstract: An amorphous alloy having the general formula of: (ZrxAlyCuzNi1-x-y-z)100-a-bScaYb, wherein x, y, and z are atomic percents, and a and b are atom molar ratios, in which: about 0.45?x?about 0.60; about 0.08?y?about 0.12; about 0.25?z?about 0.35; 0<a?about 5; and 0?b<about 0.1.

Abstract: A method of producing a composite material which includes a carbon-based material and a particulate or fibrous metal material Z. The method includes steps (a) to (c). In the step (a), at least a first carbon material and the metal material Z mixed into an elastomer, and dispersing the first carbon material and the metal material Z by applying a shear force to obtain a composite elastomer, the metal material Z having a melting point lower than a melting point of the first carbon material. In the step (b), the composite elastomer is heat-treated to vaporize the elastomer to obtain an intermediate composite material including a second carbon material and the metal material Z. In the step (c), the intermediate composite material is heat-treated together with a substance including an element Y having a melting point lower than the melting point of the metal material Z to vaporize the substance including the element Y.

Abstract: A metal fiber based on one or several elements from the group of platinum, palladium, rhodium, ruthenium, and iridium with 0 to 30% by weight of one or several additional alloy elements from the group of nickel, cobalt, gold, rhenium, molybdenum, and tungsten, contains 1 to 500 ppm by weight of boron or phosphorus. A non-woven material or netting, in particular for the production of nitrogen oxide or for the production of hydrocyanic acid, is made of such fibers. For the production of fibers based on noble metals having up to 30% by weight of additional alloy metals by drawing the fibers from a melt, the melting point of the metal is reduced by at least 400 ° C., before drawing of the fibers, by additionally alloying with boron or phosphorus, and the boron or the phosphorus is removed again from the fibers.

Abstract: A rare earth magnet of the invention has a composition represented by the compositional formula RaHbFecCodBeMf, where: R is at least one rare earth element including Y; H is at least one heavy rare earth element from among Dy and Tb; M is at least one element from among Ga, Zn, Si, Al, Nb, Zr, Ni, Cu, Cr, Hf, Mo, P, C, Mg, and V; 13?a?20; 0?b?4; c=100?a?b?d?e?f; 0?d?30; 4?e?20; 0?f?3, and has a structure constituted by a main phase: a (RH)2(FeCo)14B phase, and a grain boundary phase: a (RH)(FeCo)4B4 phase and a RH phase, with a crystal grain size of the main phase of 10 nm to 200 nm.

Abstract: In various embodiments, metallic products are formed by alloying niobium with at least one of yttrium, aluminum, hafnium, titanium, zirconium, thorium, lanthanum, or cerium and processing the alloy.

Abstract: A magnetic sputtering target which contains B and is obtained by a melting and casting method, wherein the B content is 10 at % or more and 50 at % or less, and the remainder is one or more elements selected from Co, Fe, and Ni. Based on the method of the present invention, the sputtering target, in which gaseous impurities are few, there are no cracks and fractures, and segregation of its main constituent elements is minimal, is obtained. Consequently, when sputtered with a magnetron sputtering device comprising a DC power supply, this sputtering target yields a significant effect of being able to inhibit the generation of particles during sputtering, and improve the production yield upon forming thin films.

Abstract: The invention concerns an aluminum-based master alloy for manganese alloying of metal alloys and a method for producing thereof, and use thereof for production of the metal alloys. The master alloy is aluminum and manganese (Al—Mn) alloy in form of splatters, which contains the following components in mass %: Mn 77-93, other components in total 0-5, Al—the rest. The method for producing the master alloy is characterized in that the temperature for adding the manganese to the liquid metal is in the range from 660 to 1600° C., and the cooling rate of the alloy during casting is in the range of 50-1500° C./sec for obtaining splatters of the master alloy. Thickness of splatters is in the range of 1-10 mm. The master alloys AlMn80 and AlMn90 are designed to be used for manganese alloying of metal alloys, whereas the temperature for adding the master alloy in the liquid metal is in the range from 600 to 850° C.

Abstract: Collector plates made of bulk-solidifying amorphous alloys, the bulk-solidifying amorphous alloys providing ruggedness, lightweight structure, excellent resistance to chemical and environmental effects, and low-cost manufacturing, and methods of making such collector plates from such bulk-solidifying amorphous alloys are provided.

Abstract: During a process of cooling a hypereutectic Al—Si alloy melt, ultrasonic vibration is applied to the melt to crystallize primary crystal ?-Al using, in combination, an ultrasonic transducer (8) that generates the ultrasonic vibration, an ultrasonic horn (7) that is connected to the ultrasonic transducer (8) and transmits the ultrasonic vibration in a specified direction, a treatment vessel (2) that holds the melt and is in contact with the ultrasonic horn (7), and a treatment vessel fixing device (3) that fixes the treatment vessel (2) by pressing the treatment vessel toward the ultrasonic horn (7).

Abstract: Articles that are cast from a particular titanium alloy can achieve a relatively high fatigue strength. The titanium alloy is an (?+?) titanium alloy that has a nominal composition of about 5.5 to about 6.63 mass percent aluminum, about 3.5 to about 4.5 mass percent vanadium, about 1.0 to about 2.5 mass percent chromium, maximum of 0.50 mass percent iron, about 0.15 to about 0.25 mass percent oxygen, about 0.06 to about 0.12 mass percent silicon, and at least 80 mass percent titanium or the balance titanium (Ti) with the exception of some allowable impurities. In one exemplary application, this titanium alloy may be used to cast a turbocharger compressor wheel.

Abstract: Mechanical hooks made of bulk-solidifying amorphous alloys, wherein the bulk-solidifying amorphous alloys provide ruggedness, durability, higher service loads, excellent resistance to chemical and environmental effects, and low-cost manufacturing are provided. In addition, methods of making such mechanical hooks from bulk-solidifying amorphous alloys are also disclosed.

Abstract: A method of growing a single crystal seed bar (10) in which a mold provided with a grain selector filter (16) above a starter chamber is filled with molten metal, whereupon the metal is allowed to solidify slowly upwardly from the starter chamber. The filter (16) is provided with a pattern of openings, with the diameter of the openings being at least as large as the primary dendrite tip radius of the metal, but smaller than half the primary dendrite arm spacing.

Abstract: A method of producing a carbon-based material includes steps (a), (b) and (c). In the step (a), an elastomer and at least a first carbon material is mixed and the first carbon material is dispersed by applying a shear force to obtain a composite elastomer. In the step (b), the composite elastomer is heat-treated to vaporize the elastomer, and a second carbon material is obtained. In the step (c) the second carbon material is heat-treated together with a substance including an element Y to vaporize the substance including the element Y, a melting point of the element Y being low.

Abstract: The present invention is directed at metal alloys that are capable of forming spinodal glass matrix microconstituent structure. The alloys are iron based and include nickel, boron, silicon and optionally chromium. The alloys exhibit ductility and relatively high tensile strengths and may be in the form of sheet, ribbon, wire, and/or fiber. Applications for such alloys are described.

Abstract: An amorphous alloy having the general formula of: (ZrxAlyCuzNi1-x-y-z)100-a-bSCaYb, wherein x, y, and z are atomic percents, and a and b are atom molar ratios, in which: about 0.45?x?about 0.60; about 0.08?y?about 0.12; about 0.25?z?about 0.35; 0<a?about 5; and 0?b<about 0.1.

Abstract: The present disclosure discloses an amorphous alloy composite material comprises an amorphous and continuous matrix phase, and a plurality of equiaxed crystalline phases as reinforcing phases dispersed in the matrix phase. Oxygen content in the amorphous alloy composite material may be less than 2100 ppm. The present disclosure also discloses a method of preparing the same. With the equiaxed crystalline phases dispersed in the matrix phase, the plasticity of the amorphous alloy composite material may be improved considerably.

Abstract: The present invention provides steel superior in machinability comprised of, by wt %, C: 0.005 to 0.2%, Si: 0.001 to 0.5%, Mn: 0.2 to 3.0%, P: 0.001 to 0.2%, S: 0.03 to 1.0%, T.N: 0.002 to 0.02%, T.O: 0.0005 to 0.035%, and the balance of Fe and unavoidable impurities, said steel satisfying one or both of Mn/S in the steel being 1.2 to 2.8 or an area ratio of pearlite over a grain size of 1 ?m in a microstructure of the steel being not more than 5%.

Abstract: High-alloy austenitic stainless steels that are extra resistant to pitting and crevice corrosion in aggressive, chloride-containing solutions have a tendency for macro-segregation of Mo, at solidification of the melt. This problem is solved by a super austenite stainless steel having the following composition, in % by weight: max 0.03 C, max 0.5 Si, max 6 Mn, 28-30 Cr, 21-24 Ni, 4-6% (Mo+W/2), the content of W being max 0.7, 0.5-1.1 N, max 1.0 Cu, balance iron and impurities at normal contents originating from the production of the steel.

Abstract: The invention relates to a steel material composition, in particular for producing piston rings and cylinder sleeves, containing the following elements in the given fractions in relation to 100% by weight of the steel material: 0.5-1.2% by weight C, 2.0-20.0% by weight Cr, 49.0-97.1% by weight Fe, 0.1-3.0% by weight Mn, 0.1-3.0% by weight Mo, 0.-7.0% by weight Nb, 2.0-10.0% by weight Si, 0-7.0% by weight Ti, 0.-7.0% by weight V and 0.-0.5% by weight W, the sum of the fractions of Nb, Ti, V and W being 2.0-7.0% by weight. Said composition can be produced by melting the starting materials and casting the melt in a pre-fabricated mould.

Abstract: The invention relates to a steel material composition, in particular for producing piston rings and cylinder sleeves, containing the following elements in the given fractions in relation to 100% by weight of the steel material: 0.5-1.2% by weight C, 6.0-20.0% by weight Cr, 45.0-88.5% by weight Fe, 3.0-15.0% by weight Mn and 2.0-10.0% by weight Si. Said composition can be produced by melting the starting materials and casting the melt in a pre-fabricated mould.

Abstract: A mold for forming a plurality of rotors includes a plurality of lamination stacks, wherein each lamination stack defines at least one void therethrough; a tube having a central longitudinal axis, wherein each lamination stack is concentrically spaced apart from the tube to define a channel therebetween; a plurality of washers each having a shape defined by a first diameter and a second diameter that is greater than the first diameter, wherein each washer is configured to concentrically abut the tube and define a feed conduit interconnecting with the channel; and a shell disposed in contact with each lamination stack and concentrically spaced apart from each washer to define a plurality of ducts, wherein each duct is interconnected with the at least one void of at least one lamination stack. A mold system and a method of forming a plurality of rotors are also described.

Abstract: Metallic dental prostheses made of bulk-solidifying amorphous alloys wherein the dental prosthesis has an elastic strain limit of around 1.2% or more and methods of making such metallic dental prostheses are provided.

Abstract: A process for producing a rare earth alloy comprises heating a raw material alloy to be a molten alloy, and quench-solidifying the molten alloy, wherein the raw material alloy is compounded so as to have a composition represented by the formula: REx(Co1-yMy)4Sb12 (wherein RE is at least either one member of La and Ce, M is at least one member selected from the group consisting of Ti, Zr, Sn, Cu, Zn, Mn and Pb, 0<x?1, and 0<y<1).

Abstract: Provided herein are titanium alloys that can achieve a combination of high strength and high toughness or elongation, and a method to produce the alloys. By tolerating iron, oxygen, and other incidental elements and impurities, the alloys enable the use of lower quality scrap as raw materials. The alloys are castable and can form ?-phase laths in a basketweave morphology by a commercially feasible heat treatment that does not require hot-working or rapid cooling rates. The alloys comprise, by weight, about 3.0% to about 6.0% aluminum, 0% to about 1.5% tin, about 2.0% to about 4.0% vanadium, about 0.5% to about 4.5% molybdenum, about 1.0% to about 2.5% chromium, about 0.20% to about 0.55% iron, 0% to about 0.35% oxygen, 0% to about 0.007% boron, and 0% to about 0.60% other incidental elements and impurities, the balance of weight percent comprising titanium.

Abstract: In a method for manufacturing a composite-metal-forming material, heating a metal material a Mg alloy or an Al alloy is heated to a temperature in a region where a solid and a liquid are both present to thereby yield a semi-molten metal material in a semi-molten state. An additive material is introduced to the semi-molten metal material and kneading is performed to obtain a composite metal material. The composite metal material is heated to a solution temperature of the metal material and a solution treatment is performed to thereby yield a composite-metal-forming material.

Abstract: This invention discloses an L,R,C method and equipment for casting amorphous, ultracrystallite and crystallite metal slabs or other shaped metals. A workroom (8) with a constant temperature of tb=?190° C. and a constant pressure of pb=1 bar, and liquid nitrogen of ?190° C. and 1.877 bar is used as a cold source for cooling the casting blank. A liquid nitrogen ejector (5) ejects said liquid nitrogen to the surface of ferrous or non-ferrous metallic slabs or other shaped metals (7) with various ejection quantity v and various jet velocity k. Ejected liquid nitrogen comes into contact with the casting blank at cross section c shown in FIG. 2. This method adopts ultra thin film ejection technology, with a constant thickness of said film at 2 mm and ejection speed Kmax of said liquid nitrogen at 30 m/s.

Abstract: In an Ag, Cu, Ge alloy containing boron as grain refiner, investment castings of a clean bright silvery appearance and/or free from cracking defects are obtained by incorporation of silicon, in some embodiments in the absence of added zinc.

Abstract: This invention relates to magnesium-based alloys particularly suitable for casting applications where good mechanical properties at room and at elevated temperatures are required. The alloys contain: 2 to 4.5% by weight of neodymium; 0.2 to 7.0% of at least one rare earth metal of atomic No. 62 to 71; up to 1.3% by weight of zinc; and 0.2 to 0.7% by weight of zirconium; optionally with one or more other minor component. They are resistant to corrosion, show good age-hardening behaviour, and are also suitable for extrusion and wrought alloy applications.

Abstract: A sputtering target includes a copper indium gallium sputtering target material on a backing structure. The sputtering target material has a density of at least 100% or more as defined by the rule of mixtures applied to densities of component elements of the sputtering target material. The sputtering target material has an overall uniform composition.

Abstract: A method of casting a metal ingot with a microstructure that facilitates further working, such as hot and cold rolling. The metal is cast in a direct chill casting mold, or the equivalent, that directs a spray of coolant liquid onto the outer surface of the ingot to achieve rapid cooling. The coolant is removed from the surface at a location where the emerging embryonic ingot is still not completely solid, such that the latent heat of solidification and the sensible heat of the molten core raises the temperature of the adjacent solid shell to a convergence temperature that is above a transition temperature for in-situ homogenization of the metal. A further conventional homogenization step is then not required. The invention also relates to the heat-treatment of such ingots prior to hot working.

Abstract: A process of grain refining magnesium metal or magnesium based alloy including the step of a) providing a melt of the magnesium metal or magnesium based alloy, said melt including a grain refining agent in an amount effective to induce grain refinement of said magnesium or magnesium based alloy upon solidification, wherein the grain refining agent is vanadium metal, where said grain refinement comprises a reduction in average grain size of at least 50% (percent) as compared with the average grain size without addition of said grain refining agent.