Abstract: A soft magnetic powder including particles having a composition represented by FexCuaNbb(Si1-yBy)100-x-a-b [provided that a, b, and x are each a number whose unit is at % and satisfy 0.3?a?2.0, 2.0?b?4.0, and 73.0?x?79.5, respectively, and y is a number satisfying f(x)?y?0.99, in which f(x)=(4×10?34)x17.56], wherein the particle contains a crystal grain having a grain diameter of 1.0 nm or more and 30.0 nm or less, and includes a Cu segregated portion in which Cu is segregated, the Cu segregated portion is present at a position deeper than 30 nm from a surface of the particle, and a maximum Cu concentration in the Cu segregated portion exceeds 6.0 at %.

Abstract: Electrode catalytic layers coated on outer surfaces of oxidation electrode and a reduction electrode used to generate sterile water, where the electrode catalyst layers are formed on the outer surfaces of the oxidation electrode and a reduction electrode to have predetermined thickness, and are composed of iridium (Ir), palladium (Pd), and tantalum (Ta), and wherein the palladium (Pd) has a weight ratio of 10% to 30%, and a sum of the weight ratios of the iridium (Ir) and the tantalum (Ta) is 70% to 90%.

Abstract: Ni—Cr—Nb—P—B alloys optionally bearing Si and metallic glasses formed from said alloys are disclosed, where the alloys have a critical rod diameter of at least 5 mm and the metallic glasses demonstrate a notch toughness of at least 96 MPa m1/2.

Abstract: Disclosed is a gear including a resettable metallic glass. The gear of the present disclosure includes, as a base material, a resettable metallic glass, wherein the resettable metallic glass includes at least one metal element selected from each of (a) the group consisting of Ti, Zr, and Hf and (b) the group consisting of Fe, Co, Ni, Cu, and Zn, and further includes at least one metal element to maximize the complexity in the thermodynamic enthalpy of mixing among constituent elements, thereby including multiple resetting cores in various atomic-scale cluster forms in an amorphous matrix, leading to a structure with maximized structural complexity.

Abstract: Cu-based bulk amorphous alloys in the quaternary Cu—Zr—Hf—Al alloy system are disclosed. A method of casting such alloys and articles comprising such alloys also are disclosed.

Abstract: Embodiments disclosed herein relate to the production of bulk amorphous metal (BAM) alloys comprising chromium, manganese, molybdenum, tungsten, silicon, carbon, boron, and the balance of iron to replace tungsten carbide-based welded material. The BAM alloy embodied herein can be applied through PTA welding, HVOF, TWAS, flame spraying, plasma spraying, laser, their combinations, and other coating and welding processes. When used as welded material, the density of the embodiment of around 7 grams per CC, which is less dense than the tungsten carbide customarily used, resulting in even hard faces during welding spread uniformly across the weld, therefore creating a harder and more wear-resistant weld.

Abstract: A soft magnetic metal powder that has low coercivity Hcj and high saturation magnetic flux density Bs, and has high powder resistivity and high insulating performance is obtained. The soft magnetic metal powder is soft magnetic metal powder containing Fe. The soft magnetic metal powder has particles each including a soft magnetic metal portion and a coating portion coating the soft magnetic metal portion. The coating portion includes a first coating portion and a second coating portion. The first coating portion is closer to the soft magnetic metal portion than the second coating portion. The first coating portion and the second coating portion have oxides containing at least one element selected from Si, Fe, and B as a main component. The first coating portion includes amorphous material, the second coating portion includes crystals, and the second coating portion has a higher crystal content ratio than the first coating portion.

Abstract: This invention relates generally to the field of quasicrystalline structures.

Abstract: A method for manufacturing a metal plate, the metal plate including a first surface and a second surface positioned on the opposite side of the first surface, may include a step of rolling a base metal having an iron alloy containing nickel to produce the metal plate. The metal plate may include particles containing as a main component an element other than iron and nickel. In a sample including the first surface and the second surface of the metal plate, the following conditions (1) and (2) regarding the particles may be satisfied: (1) The number of the particles having an equivalent circle diameter of 1 ?m or more is 50 or more and 3000 or less per 1 mm3 in the sample, and (2) The number of the particles having an equivalent circle diameter of 3 ?m or more is 50 or less per 1 mm3 in the sample.

Abstract: A method for designing a material for an aircraft component according to one example includes training a neural network to correlate microstructural features of an alloy with material properties of the alloy by at least providing a set of images of the alloy. Each of the images in the set of images has varied constituent compositions and at least one patch of corresponding data is embedded into the image. The method also includes determining non-linear relationships between the microstructural features and corresponding empirically determined material properties via a machine learning algorithm, receiving a set of desired material properties of the alloy for aircraft component, and determining a set of microstructural features capable of achieving the desired material properties of the alloy based on the determined non-linear relationships.

Abstract: Provided is a monatomic amorphous palladium, a method for preparing the same and use thereof. The method comprises a) loading a monatomic palladium powder on a silicon nitride substrate; b) heating the silicon nitride substrate loaded with the monatomic palladium powder obtained in a) up to a temperature of 800° C. to 1000° C. and keeping the temperature for at least 3 minutes; and c) cooling a system of palladium and silicon nitride obtained in b) to room temperature at an apparent cooling rate greater than 103° C./second, thus obtaining the monatomic amorphous palladium.

Abstract: The present disclosure discloses a system for measuring a charge-to-mass ratio of an electrostatic atomization nozzle and a measurement method using the same. The system includes an electrostatic atomization nozzle, an upper cylinder, a lower cylinder, an ammeter, a liquid level tube, an ultrasonic level meter, a water storage tank, and a liquid pump. The electrostatic atomization nozzle, the upper cylinder, and the lower cylinder are sequentially connected from top to bottom. The ammeter is connected to the lower-cylinder flange. The liquid level tube is communicated with the lower cylinder. The ultrasonic level meter is mounted on an upper end of the liquid level tube. The water storage tank is located below a lower-cylinder water outlet pipe. The liquid pump can deliver a liquid in the water storage tank to the electrostatic atomization nozzle. Measurement data of the ammeter is acquired and processed by a computer in real time.

Abstract: An embodiment relates to a composition comprising an amorphous alloy having a low coefficient of friction (COF) of 0.15 or less, wherein the amorphous alloy is substantially free of phosphor (P) and substantially free of boron (B). An embodiment relates to a method comprising solidifying a molten layer of an amorphous feedstock on a preexisting layer by controlling a heating source and a cooling rate so as to avoid formation of crystals in the molten layer and not affect a crystalline structure of the preexisting layer, and forming a specimen; wherein, the at least a portion specimen has the low COF. Another embodiment relates to a system comprising a drill string, wherein the drill string comprises a drilling bit and a drill pipe connected thereto, wherein at least a portion of the drill pipe comprises a coating having the low COF.

Abstract: The present disclosure relates to a process and an apparatus for producing powder particles by atomization of a feed material in the form of an elongated member such as a wire, a rod or a filled tube. The feed material is introduced in a plasma torch. A forward portion of the feed material is moved from the plasma torch into an atomization nozzle of the plasma torch. A forward end of the feed material is surface melted by exposure to one or more plasma jets formed in the atomization nozzle. The one or more plasma jets being includes an annular plasma jet, a plurality of converging plasma jets, or a combination of an annular plasma jet with a plurality of converging plasma jets. Powder particles obtained using the process and apparatus are also described.

Abstract: An amorphous alloy contains Ni and Nb and has a composition including at least one of: a composition containing Nb with a content in the range of 35.6 atomic % to 75.1 atomic %, Ir with a content in the range of 7.2 atomic % to 52.3 atomic %, and Ni with a content in the range of 4.0 atomic % to 48.5 atomic %; a composition containing Nb with a content in the range of 19.6 atomic % to 80.9 atomic %, Re with a content in the range of 7.4 atomic % to 59.2 atomic %, and Ni with a content in the range of 4.1 atomic % to 56.9 atomic %; and a composition containing Nb with a content in the range of 7.5 atomic % to 52.9 atomic %, W with a content in the range of 16.4 atomic % to 47.0 atomic %, and Ni with a content in the range of 22.0 atomic % to 53.3 atomic %.

Abstract: A metal matrix composite material includes 60-90 wt. % of aluminum alloy powders and 10-40 wt. % Fe-based amorphous alloy powders. The aluminum alloy powders are used as the matrix of the metal matrix composite material, and the Fe-based amorphous alloy powders include FeaCrbMocSidBeYf, wherein 48 at. %?a?50 at. %, 21 at. %?b?23 at. %, 18 at. %?c?20 at. %, 3 at. %?D?5 at. %, 2 at. %?c?4 at. %, and 2 at. %?f?4 at. %.

Abstract: An iron-based amorphous electrode material for industrial wastewater treatment, wherein the material is amorphous alloy used as an electrode for electrochemical degradation of industrial wastewater, and the atom percentage of iron element in the alloy being 40-84%, wherein a method for treating dye wastewater by using the iron-based amorphous electrode material and a use of the iron-based amorphous electrode material in the electrochemical degradation of industrial wastewater are also disclosed.

Abstract: Nanostructured materials that contain amorphous intergranular films (AIFs) are described herein. Amorphous intergranular films are structurally disordered (lacking the ordered pattern of a crystal) films that are up to a few nanometers thick. Nanostructured materials containing these films exhibit increased ductility, strength, and thermal stability simultaneously. A nanocrystalline material system that has two or more elements can be designed to contain AIFs at the grain boundaries, provided that the dopants segregate to the interface and certain materials science design rules are followed. An example of AIFs in a nanostructured Cu—Zr alloy is provided to illustrate the benefits of integrating AIFs into nanostructured materials.

Abstract: The disclosure provides Zr—Ti—Cu—Ni—Al metallic glass-forming alloys and metallic glasses that have a high glass forming ability along with a high thermal stability of the supercooled liquid against crystallization.

Abstract: Provided is a soft magnetic alloy including Fe, as a main component, and including B. Among 80000 pieces of a grid having 1 nm×1 nm×1 nm in a continuous measurement range of the soft magnetic alloy, 4000 pieces of the grid from lower Fe content shows B content variation (?B) of 2.8 or more, and an amorphization ratio X of the soft magnetic alloy of 85% or more.

Abstract: Pd—Cu—P metallic glass-forming alloy compositions and metallic glasses comprising at least one of Ag, Au, and Fe are provided, wherein the alloys demonstrate improved glass forming ability, as compared to Pd—Cu—P alloys free of Ag, Au, and Fe, and are capable of forming metallic glass rods with diameters in excess of 3 mm, and in some embodiments 26 mm or larger.

Abstract: One embodiment provides a structure, comprising: a display; at least one structural component disposed over a portion of the display, wherein the at least on structural component comprises at least one amorphous alloy; and wherein a portion of the display is foldable.

Abstract: A wear resistant coating may comprise an amorphous metal comprising at least one refractory metal, at least two elements selected from periods 4, 5, 6, 9, and 10, and a metalloid. An amorphous metal may comprise at least one refractory metal, at least two elements selected from periods 4, 5, 6, 9, and 10, and a metalloid. A coating may comprise at least one refractory metal, at least two elements selected from periods 4, 5, 6, 9, and 10, and silicon. In some examples, the amorphous metal is TaWSi. In one example, the refractory metals may comprise Niobium, Molybdenum, Tantalum, Tungsten, Rhenium, or combinations thereof.

Abstract: An Al—Te—Cu—Zr alloy sputtering target, comprising 20 at % to 40 at % of Te, 5 at % to 20 at % of Cu, 5 at % to 15 at % of Zr and the remainder of Al, wherein a Te phase, a Cu phase and a CuTe phase are not present in a structure of the target. An object of the present invention is to provide an Al—Te—Cu—Zr alloy sputtering target capable of effectively reducing particle generation, nodule formation and the like upon sputtering and further capable of reducing oxygen contained in the target.

Abstract: A method and a device for producing honeycomb particles capable of absorbing harmful molecular elements are disclosed. A chemical element having a crystal structure is dissolved in water in a certain percentage to form a chemical element solution, and then it is pressurized. The pressurized chemical element solution is sprayed out in mist form toward a forming mirror by a high-pressure nozzle of a spray tube. When the chemical element solution in mist form contacts the heated forming mirror, the moisture quickly bursts and evaporates to form fine particles. The dried fine particles of the chemical element are made to fall by the high frequency vibration and are collected. Accordingly, the chemical element having a crystal structure is formed into fine particles having many air holes, increasing the area for chemical reaction and further increasing the efficiency of absorption of harmful elements such as various toxic elements or bacteria.

Abstract: A method of producing a mold includes obtaining a master mold, the master mold including surface details; exposing a curable material to the surface details; and curing the curable material with the surface details. A mold includes a surface for molding a composite part, the surface including surface details, wherein the mold is made of phenolic material.

Abstract: A sliding system includes a pair of sliding members having sliding surfaces that can relatively move while facing each other and a lubricant oil interposed between the sliding surfaces facing each other. At least one of the sliding surfaces includes a coating surface of a crystalline Cr plating film. The lubricant oil contains an oil-soluble molybdenum compound comprising a trinuclear Mo structure. In particular, considerably low friction properties can be developed by a combination of the Cr plating film, in which at least one of three types of peak area intensity ratios (P1 to P3) as obtained by X-ray diffraction falls within a predetermined range (P1?0.015, P2?0.02, P3?0.03), and the lubrication oil which contains the trinuclear Mo structure.

Abstract: A method for making a firmly-bonded connection involves a) providing an electronic component and a substrate having surfaces to be connected; b) applying a copper paste onto at least one of the surfaces and drying the layer of copper paste; c1) applying a solder agent onto the copper paste and arranging the component and the substrate in contact via the combination of copper paste and solder agent; or c2) arranging the component and the substrate in contact via the dried copper paste, and applying a solder agent next to the layer of dried copper paste; and d) soldering the arrangement. The copper paste contains (i) particles of copper, copper-rich copper/zinc alloy, and/or copper-rich copper/tin alloy containing a phosphorus fraction of 0 to ?500 wt-ppm, (ii) solder particles which are tin, tin-rich tin/copper alloy, tin-rich tin/silver alloy, and/or tin-rich tin/copper/silver alloy, and (iii) vehicle.

Abstract: A composition comprises, in weight percent: Al as a largest constituent; 3.0 6.0 Cr; 1.5 4.0 Mn; 0.1 3.5 Co; and 0.3 2.0 Zr.

Abstract: High-strength, lightweight alloy components, such as automotive components, capable of high temperature performance comprising aluminum, silicon, and iron and/or nickel are provided, along with methods of making such high-strength, lightweight alloy components. A high-energy stream, such as a laser or electron beam, may be selectively directed towards a precursor material to melt a portion of the precursor material in a localized region. The molten precursor material is cooled at a rate of greater than or equal to about 1.0×105 K/second to form a solid high-strength, lightweight alloy component comprising a stable ternary cubic phase having high heat resistance and high strength. The stable ternary phase may be AlxFeySiz, where x ranges from about 4 to about 5 or about 7.2 to about 7.6, y is about 1.5 to about 2.2, and z is about 1. The stable ternary phase may also be Al6Ni3Si.

Abstract: A hydrophobic alloy film and a manufacturing method thereof are provided. The hydrophobic alloy film includes Al, Cu, O, and at least one selected from the group consisting of Fe, Co, Ni, and Cr, or Ti, Zr, O, and at least one selected from the group consisting of Fe, Co, Ni, and Cr. The content of each of Al and Ti is in the range of 40 at. % to 70 at. %. The content of each of Cu and Zr is in the range of 10 at. % to 40 at. %. The total content of at least one selected from the group consisting of Fe, Co, Ni, and Cr is in the range of 10 at. % to 30 at. %. The content of O is in the range of 10 at. % to 30 at. %. The hydrophobic alloy film has a quasicrystal structure and nanoparticles.

Abstract: A technique is disclosed for straining an amorphous alloy at ambient temperature to plastically and homogeneously deform the amorphous alloy, such that at least an exterior surface of the deformed amorphous alloy is substantially free of shear bands. An amorphous alloy may be strained at a rate of less than about 9×10?5 s?1 or by multiple passes of cold rolling. A pattern from a die may be imprinted into the amorphous alloy when strained, and the amorphous alloy may be used as a die to plastically strain other materials.

Abstract: A cost-effective method of forming a hydrophobic coating on a substrate and coated substrates are disclosed. Specifically, the method comprises applying amorphous powders of an alloy to the substrate through a cold spray process. Also provided is a novel type of hydrophobic coating made of metallic glasses or amorphous alloys. The hydrophobic coatings offer advantages such as, low cost, low maintenance, and high corrosion resistance.

Abstract: One embodiment provides a structure, comprising: a display; at least one structural component disposed over a portion of the display, wherein the at least on structural component comprises at least one amorphous alloy; and wherein a portion of the display is foldable.

Abstract: Methods of making high-strength, lightweight alloy components capable of high temperature performance comprising aluminum, silicon, and iron and/or nickel are provided. A high-energy stream, such as a laser or electron beam, may be selectively directed towards a precursor material to melt a portion of the precursor material in a localized region. The molten precursor material is cooled at a rate of greater than or equal to about 1.0×105 K/second to form a solid high-strength, lightweight alloy component comprising a stable ternary cubic phase having high heat resistance and high strength. The stable ternary phase may be AlxFeySiz, where x ranges from about 4 to about 5 or about 7.2 to about 7.6, y is about 1.5 to about 2.2, and z is about 1. The stable ternary phase may also be Al6Ni3Si. Materials and components, such as automotive components, made from such methods are also provided.

Abstract: Various embodiments of zirconium based bulk metallic glass with hafnium are described herein. In one embodiment, an alloy composition includes zirconium (Zr), hafnium (Hf), copper (Cu), aluminum (Al), at least one element from a group consisting of niobium (Nb) and titanium (Ti), and at least one element from a group consisting of nickel (Ni), iron (Fe), and cobalt (Co).

Abstract: A plated steel sheet with a quasicrystal includes a steel sheet and a plated-metal-layer arranged on a surface of the steel sheet. The plated-metal-layer includes, as a chemical composition, Mg, Zn. The plated-metal-layer includes, as a metallographic structure, a quasicrystal phase. A Mg content, a Zn content, and an Al content in the quasicrystal phase satisfy 0.5?Mg/(Zn+Al)?0.83 in atomic %. In addition, an average equivalent circle diameter of the quasicrystal phase is equal to or larger than 0.01 ?m and equal to or smaller than 1 ?m.

Abstract: A plated steel sheet with a quasicrystal includes a steel sheet and a plated-metal-layer arranged on a surface of the steel sheet. The plated-metal-layer includes, as a chemical composition, Mg, Zn, and Al, and satisfies 25%?Zn+Al in atomic %. The plated-metal-layer includes, as a metallographic structure, a quasicrystal phase. A Mg content, a Zn content, and an Al content in the quasicrystal phase satisfy 0.5?Mg/(Zn+Al)?0.83 in atomic %. In addition, an average equivalent circle diameter of the quasicrystal phase is larger than 1 ?m and equal to or smaller than 200 ?m.

Abstract: Radiation shielding structures comprising bulk-solidifying amorphous alloys and methods of making radiation shielding structures and components in near-to-net shaped forms are provided.

Abstract: Provided in one embodiment is a method of making use of foams as a processing aid or to improve the properties of bulk-solidifying amorphous alloy materials. Other embodiments include the bulk-solidifying amorphous alloy/foam composite materials made in accordance with the methods.

Abstract: Disclosed is an improved bulk metallic glass alloy and methods of making the alloy in which the alloy has the structure ZraNbbCucNidAle, wherein a-e represent the atomic percentage of each respective element, and wherein b/a is less than about 0.040, and c/d is less than 1.15. The bulk metallic glass alloy has improved thermal stability and an increased super cooled liquid region rendering it capable of being thermoplastically formed into a variety of shapes and sizes.

Abstract: In one embodiment, the invention provides a process for thermoplastic forming of a metallic glass. For example, in one embodiment, the invention provides a process for thermoplastic forming of a metallic glass ribbons having a thickness of between about 50 to about 200 microns. Related articles of manufacture and processes for customizing articles in accordance with the process as described herein are also provided.

Abstract: A method of producing a mold includes obtaining a master mold, the master mold including surface details; exposing a curable material to the surface details; and curing the curable material with the surface details. A mold includes a surface for molding a composite part, the surface including surface details, wherein the mold is made of phenolic material.

Abstract: The disclosure provides Pt—Cu—P glass-forming alloys bearing at least one of B, Ag, and Au, where each of B, Ag, and Au can contribute to improve the glass forming ability of the alloy in relation to the alloy that is free of these elements. The alloys are capable of forming metallic glass rods with diameters in excess of 3 mm, and in some embodiments 50 mm or larger. The alloys and metallic glasses can satisfy platinum jewelry hallmarks PT750, PT800, PT850, and PT900.

Abstract: Embodiments herein relate to a method of making roll formed objects of a bulk solidifying amorphous alloy comprising a metal alloy, and articles thereof. The roll forming includes forming a portion of the bulk solidifying amorphous alloy at a temperature greater than a glass transition temperature (Tg) of the metal alloy. The roll forming is done such that a time-temperature profile of the portion during the roll forming does not traverse through a region bounding a crystalline region of the metal alloy in a time-temperature-transformation (TTT) diagram of the metal alloy.

Abstract: A concept is provided which permits the implementation of MEMS microphone elements having a very good SNR, high microphone sensitivity and a large frequency bandwidth. The microphone structure of the MEMS element is implemented in a layer structure and includes at least one sound pressure-sensitive diaphragm (210), an acoustically permeable counter element (220) and a capacitor system for detecting the diaphragm deflections, the diaphragm (210) and the counter element (220) being situated on top of each other and a distance apart from one another in the layer structure and each bring equipped with at least one electrode of the capacitor system. According to the invention, the layer structure of the diaphragm (210) includes at least one thin closed layer (1) and at least one thick structured layer (2), a grid structure (100) covering the entire diaphragm area being provided in the thick layer (2), which determines the stiffness of the diaphragm (210).

Abstract: Methods and apparatus for creating an overall assembly formed from a transparent member and a metal member are disclosed. According to one aspect of the present invention, a method includes positioning a transparent member in a mold configured for insertion molding, and providing a liquid metal into the mold. The method also includes hardening the liquid metal in the mold. Hardening the liquid metal includes binding the metal to the transparent member to create the integral assembly.

Abstract: Disclosed is the semi-amorphous, ductile brazing foil with composition consisting essentially of NibalCraBbPcSidMoeFef with approximately 24 atomic percent?a?approximately 31 atomic percent; b?approximately 3 atomic percent; approximately 9 atomic percent?c?approximately 11 atomic percent; approximately 2 atomic percent?d?approximately 4 atomic percent; e?approximately 2 atomic percent; f?approximately 1 atomic percent; and the balance being Ni and other impurities; where b+c+d<approximately 16 atomic percent.

Abstract: Bulk amorphous alloys based on quaternary Ni—Zr—Ti—Al alloy system, and the extension of this quaternary system to higher order alloys by the addition of one or more alloying elements, methods of casting such alloys, and articles made of such alloys are provided.

Abstract: The present invention relates to novel non-ferromagnetic amorphous steel alloys represented by the general formula: Fe—Mn-(Q)-B-M, wherein Q represents one or more elements selected from the group consisting of Sc, Y, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu, and M represents one or more elements selected from the group consisting of Cr, Co, Mo, C and Si. Typically the atomic percentage of the Q constituent is 10 or less. An aspect is to utilize these amorphous steels as coatings, rather than strictly bulk structural applications. In this fashion any structural metal alloy can be coated by various technologies by these alloys for protection from the environment. The resultant structures can utilize surface and bulk properties of the amorphous alloy.