Abstract: The present invention relates to a process for producing a component composed of titanium or titanium alloy by means of MIM technology. In this process, a homogeneous mixture of boron powder having a particle size of less than 10 ?m, preferably less than 5 ?m, more preferably less than 2 ?m, and titanium powder and/or titanium alloy powder is produced, and binder is mixed with the homogeneous mixture of boron and titanium powder and/or titanium alloy powder and also, if appropriate, an additive in a kneader, the mixture is moulded by injection moulding to produce a green part, the moulded composition is subjected to chemical and/or thermal removal of binder to produce a brown part and the composition from which the binder has been removed is sintered at a temperature in the range from 1000° C. to 1600° C.

Abstract: A medical device such as, for example, an implantable expandable stent is constructed of a ternary alloy of molybdenum, rhenium, and a third metal. In a preferred embodiment, the third metal is a refractory metal selected to improve the ductility of the alloy. The alloy may further be advantageously constructed to have a crystal structure selected from HCP, BCC, FCC, and tetragonal to further optimize the physical characteristics of the medical device.

Abstract: A method for producing high strength L12 aluminum alloy armor plate by using gas atomization to produce powder that is then consolidated into L12 aluminum alloy billets before it is forged or rolled into plate form.

Abstract: The present invention relates to a process for preparing electrode catalyst materials for a polymer electrolyte membrane fuel cell (PEMFC), and particularly to a high-performance platinum-non-platinum mixed electrode catalyst (Pt—RuOs/C) having a physically mixed structure of RuOs alloy and platinum materials, which is prepared by adding a small amount of platinum (Pt) to RuOs alloy materials highly dispersed on a carbon support, where the amount of platinum used is drastically reduced as compared to the conventional platinum materials, thus lowering the manufacturing cost.

Abstract: A spark plug and an alloy for an electrode tip of a spark plug is disclosed herein. The spark plug having: an insulator shell; a center electrode inside the insulator shell such that one end of the center electrode protrudes from the insulator shell; a metal shell exterior to the insulator shell; a side ground electrode having one end coupled to the metal shell and the other end facing the protruding end of the center electrode to form a spark discharge gap between the center electrode and the side ground electrode; and an electrode tip secured to at least one of the side ground electrode or the center electrode, located at the spark discharge gap, the electrode tip comprising a platinum-based alloy comprising 20 to 35% by weight of palladium, from greater than 0 to 15% by weight iridium, and the balance of the alloy being platinum, all % by weight being based on the total weight of the alloy.

Abstract: A method for producing high strength aluminum alloy consolidated billets containing L12 dispersoids by Ceracon forging is disclosed. The method comprises forming an aluminum alloy powder compact preform containing L12 dispersoid forming elements therein and encompassing the preform in a flowable pressure transmitting medium in a die in a hydraulic press. The die, pressure transmitting medium and preform are then heated and the preform is forged by applying pressure to the pressure transmitting medium by the ram of the hydraulic press. The unequal axial and radial strain resulting from this type of forging results in improved mechanical properties of L12 aluminum alloys.

Abstract: A dental prosthesis may be cast and machined from a cobalt-, iron- and/or nickel-chromium base dental alloy comprising at least 25% metal selected from the group consisting of ruthenium, platinum, palladium, iridium, osmium, rhodium, and gold wherein the major portion or at least 15%, whichever is larger, of metal in this group is ruthenium; from 15 to 30% chromium; and a principal balance of metal selected from the group consisting of iron. nickel and cobalt.

Abstract: Medical devices, such as stents, and methods of making the devices are disclosed. In some embodiments, a medical device includes an alloy having tantalum, tungsten, zirconium and niobium. For example, the alloy can include from about 20% to about 40% by weight of tantalum, from about 0.5% to about 9% by weight of tungsten, and from about 0.5% to about 10% by weight of zirconium.

Abstract: A hydrogen storage alloy includes a composition defined by the following formula (Ca1-XLX)(Li1-Y-ZMYNiZ)m, wherein the L denotes one or more elements selected from the group consisting of Na, K, Rb, Cs, Mg, Sr, Ba, Sc, Ti, Zr, Hf, V, Nb, Ta, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu, the M denotes one or more elements selected from the group consisting of Cr, Mo, W, Mn, Fe, Ru, Co, Ir, Ni, Pd, Pt, Cu, Ag, Au, Zn, Cd, B, Al, Ga, In, Si, Ge, Sn, Pb, Sb, Bi, and S, and the mole ratios X, Y, Z, and m respectively satisfy the following 0<X?0.4, 0?Y?0.4, 0.1?Z?0.4, and 1.8?m?2.2.

Abstract: Alloy compositions are described for use in anodes of lithium ion batteries. The alloy compositions contain (a) tin, (b) a second element that includes silicon, aluminum, or a combination thereof, (c) a third element that includes yttrium, a lanthanide element, an actinide element, or a combination thereof and an optional alkaline earth element, and (d) an optional transition metal. The alloy compositions are amorphous and remain amorphous even after multiple cycles of lithiation and delithiation.

Abstract: A hydrogen occlusive alloy has a cubic structure and a composition represented by the following general formula (1): (Mg1-XLX)(Ni1-Y-ZMYLiZ)m??(1) where the element L is at least one element selected from the group consisting of Na, Cs, Ca, Sr, Ba, Sc, Ti, Zr, Hf, V, Nb, Ta, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu, the element M is at least one element selected from the group consisting of Cr, Mo, W, Mn, Fe, Co, Pd, Pt, Cu, Ag, Zn, Cd, B, Al, Ga, In, Si, Ge, Sn, Pb, Sb and Bi, and mole ratios X, Y, Z and m are 0<X?0.5, 0<Y?0.5, 0.1?Z?0.9, and 1.8?m?2.2, respectively.

Abstract: A composition of the invention is a high temperature shape memory alloy having high work output, and is made from (Ni+Pt+Y)xTi(100-x), wherein x is present in a total amount of 49-55 atomic %, Pt is present in a total amount of 10-30 atomic %, Y is one or more of Au, Pd, and Cu and is present in a total amount of 0 to 10 atomic %. The alloy has a matrix phase wherein the total concentration of Ni, Pt, and the one or more of Pd, Au, and Cu is greater than 50 atomic %.

Abstract: A chalcogenide alloy that optimizes operating parameters of an ovonic threshold switch includes an atomic percentage of arsenic in the range of 9 to 39, an atomic percentage of germanium in the range of 10 and 40, an atomic percentage of silicon in the range of 5 and 18, an atomic percentage of nitrogen in the range of 0 and 10, and an alloy of sulfur, selenium, and tellurium. A ratio of sulfur to selenium in the range of 0.25 and 4, and a ration of sulfur to tellurium in the alloy of sulfur, selenium, and tellurium is in the range of 0.11 and 1.

Abstract: A composition of matter comprises, in combination, in weight percent: a largest content of nickel; at least 16.0 percent cobalt; and at least 3.0 percent tantalum. The composition may be used in power metallurgical processes to form turbine engine turbine disks.

Abstract: Medical devices, such as stents, and methods of making the devices are disclosed. In some embodiments, a medical device includes an alloy having tantalum, tungsten, zirconium and niobium. For example, the alloy can include from about 20% to about 40% by weight of tantalum, from about 0.5% to about 9% by weight of tungsten, and from about 0.5% to about 10% by weight of zirconium.

Abstract: A silver free high noble dental alloy comprising at least 60 wt. % noble materials, where 40 wt. % of the material is gold; at least 2.5 wt. % gallium, at least about from 2 to 4 wt. % cobalt; and at least from about 0.01 to 0.25 wt. % lithium and/or boron; and a principal balance of palladium is provided. Dental products and methods of manufacturing dental products using such a high noble dental alloys are also provided.

Abstract: A formed article for making alloying additions to metal melts includes particles of at least one master alloy and a binder material binding the particles of the master alloy in the formed article. The binder material changes form and frees the master alloy particles when the formed article is heated to a predetermined temperature, preferably a temperature greater than 500° F. A method for making an alloy also is provided. The method includes preparing a melt comprising a predetermined quantity of a master alloy wherein the master alloy is added to the melt or the melt starting materials in the form of particles of the master alloy bound into at least one formed article by a binder material that decomposes at a predetermined temperature, preferably a temperature greater than 500° F., and releases the particles of master alloy.

Abstract: The present teachings are directed toward electrocatalyst compositions of alloys of platinum, tungsten and nickel for use in fuel cells. The alloys consists essentially of platinum present in an atomic percentage ranging between about 20 percent and about 45 percent, tungsten present in an atomic percentage ranging between about 30 percent and about 70 percent, and nickel present in an atomic percentage ranging between about 5 percent and about 25 percent.

Abstract: The present invention relates to a niobium alloy for capacitors comprising as an alloy component from 0.01 to 10 atom of at least one element selected from the group consisting of the elements belonging to Groups 2 to 16 of the periodic table and further comprising diniobium mononitride crystals of from 0.1 to 70 mass %, wherein a powder of the niobium alloy has an average particle size of 0.05 to 5 ?m and a BET specific surface area of 0.5 to 40 m2/g, a granulated product of the niobium alloy having an average particle size of 10 to 500 ?m, a sintered body of the powder of the niobium alloy or granulated product thereof, a capacitor and a producing method thereof using the sintered body. A niobium capacitor using the powder of the niobium alloy of the present invention or a granulated product thereof has high capacitance and small leakage current value and is excellent in high-temperature property and heat resistance property.

Abstract: The invention relates to an implant with a base body composed entirely or in parts of a biocorrodible manganese alloy.

Abstract: The present invention relates to a magnesium aluminum alloy with enhanced creep resistance. The alloy contains barium and calcium in low proportions, and possesses a higher creep resistance in comparison to alloys containing rare earth elements. The alloy may additionally include zinc, tin, lithium, manganese, yttrium, neodymium, cerium and/or praseodymium in proportions of up to 7% by weight, respectively.

Abstract: A fuel cell catalyst comprising platinum, chromium, and copper, nickel or a combination thereof. In one or more embodiments, the concentration of platinum is less than 50 atomic percent, and/or the concentration of chromium is less than 30 atomic percent, and/or the concentration of copper, nickel, or a combination thereof is at least 35 atomic percent.

Abstract: Methods and compositions for depositing a film on one or more substrates include providing a reactor and at least one substrate disposed in the reactor. At least one lanthanide precursor is provided in vapor form and a lanthanide metal thin film layer is deposited onto the substrate.

Abstract: A method for the preparation of a metallic material having catalytic activity that includes synthesizing a material composition comprising a metal content with a lower Pt content than a binary alloy containing Pt but that displays at least a comparable catalytic activity on a per mole Pt basis as the binary alloy containing Pt; and evaluating a representative sample of the material composition to ensure that the material composition displays a property of at least a comparable catalytic activity on a per mole Pt basis as a representative binary alloy containing Pt. Furthermore, metallic compositions are disclosed that possess substantial resistance to corrosive acids.

Abstract: The invention relates to a hydrogen storage material comprising an alloy of magnesium. The invention further relates to an electrochemically active material and an electrochemical cell provided with at least one electrode comprising such a hydrogen storage material. Also, the invention relates to electronic equipment comprising such an electrochemical cell.

Abstract: The invention concerns alloys made through the use of melting and powdered metallurgical techniques on the basis of titanium aluminides with an alloy composition of Ti-z Al-y Nb where 44.5 Atom %?z?47 Atom %, 44.5 Atom %?z?45.5 Atom %, and 5 Atom %?y?10 Atom % with possibly the addition of B and/or C at a content between 0.05 Atom % and 0.8 Atom %. Said alloy is characterized in that it contains a molybdenum (Mo) content ranging between 0.1 Atom % to 3.0 Atom %.

Abstract: A conventional low-temperature solder containing Pb or Cd had problems with respect to environmental pollution. A conventional low-temperature lead-free solder had a liquidus temperature which was too high for low heat resistance parts having a heat resistance temperature of 130° C., or it was brittle or had low mechanical strength. A lead-free low-temperature solder according to the present invention comprises 48-52.5 mass % of In and a balance of Bi, and most of the structure is constituted by a BiIn2 intermetallic compound which is not brittle. Zn or La can be added in order to further improve solderability, and a small amount of P can be added to prevent corrosion at high temperatures and high humidities.

Abstract: A composition of matter comprises, in combination, in weight percent: a largest content of nickel; at least 16.0 percent cobalt; and at least 3.0 percent tantalum. The composition may be used in power metallurgical processes to form turbine engine turbine disks.

Abstract: An improved L12 aluminum alloy having magnesium or nickel; at least one of scandium, erbium, thulium, ytterbium, and lutetium; at least one of gadolinium, yttrium, zirconium, titanium, hafnium, and niobium; and at least one ceramic reinforcement. Aluminum oxide, silicon carbide, aluminum nitride, titanium boride, titanium diboride and titanium carbide are suitable ceramic reinforcement particles. These alloys derive strengthening from mechanisms based on dislocation-particle interaction and load transfer to stiffen reinforcements.

Abstract: An improved amorphous aluminum alloy having high strength, ductility, corrosion resistance and fracture toughness is disclosed. The alloy has an amorphous phase and a coherent L12 phase. The alloy has nickel, cerium, at least one of scandium, erbium, thulium, ytterbium, and lutetium; and at least one of gadolinium, yttrium, zirconium, titanium, hafnium, niobium and iron. The volume fraction of the amorphous phase ranges from about 50 percent to about 95 percent and the volume fraction of the coherent L12 phase ranges from about 5 percent to about 50 percent.

Abstract: SmCo-based alloy nanoparticles composed mainly of a SmCo-based alloy containing Sm and Co as constituent elements, wherein the content of metal elements other than Sm and Co is 0.05-20 wt % with respect to the SmCo-based alloy.

Abstract: The present invention refers to the ability of a metallic alloy to store hydrogen. Particularly, the present invention refers to the ability of an alloy, with hexagonal structure, to store, in reversible way, high amounts of hydrogen at temperatures and pressures that make an industrial applicability feasible. The present invention is applicable, e.g. for hydrogen storage—hydrogen fuel cells—with great applicability in the automobile industry.

Abstract: The invention concerns a method for making a thermoelectric element consisting mainly of a crystalline alloy having a cubic structure, the alloy comprising a first constituent having at least a first element selected among the transition metals, a second constituent having at least one element selected among column XIV, XV or XVI of the periodic table, and a third constituent having at least one constituent selected among rare earths, alkalis, alkaline earths or actinides. The method includes making the alloy in the form of nanopowders by mechanosynthesis. The invention also concerns the thermoelectric material obtained by implementing said method.

Abstract: A controlled combustion synthesis apparatus comprises an ignition system, a pressure sensor for detecting internal pressure, a nitrogen supply, a gas pressure control valve for feeding nitrogen and exhausting reaction gas, means for detecting the internal temperature of the reaction container, a water cooled jacket, and a cooling plate. A temperature control system controls the temperature of the reaction container by controlling the flow of cooling water supplied to the jacket and the cooling plate in response to the detected temperature. By combustion synthesizing, while controlling the internal pressure and temperature, the apparatus can synthesize a silicon alloy including 30-70 wt. % silicon, 10-45 wt. % nitrogen, 1-40 wt. % aluminum, and 1-40 wt % oxygen.

Abstract: A radiopaque alloy based on titanium nickelide and having shape memory and superelastic properties includes, according to one embodiment, at least one radiopaque alloying element selected from the group consisting of gold, platinum, and palladium at a concentration of from about 10 at. % to about 20 at. %, and at least one additional alloying element selected from the group consisting of aluminum, chromium, cobalt, iron, and zirconium, where the additional alloying element has a concentration of from about 0.5 at. % to about 4 at. %. The alloy includes titanium at a concentration of from about 48 at. % to about 52 at. %, and the balance of the alloy is nickel. The radiopaque alloy preferably exhibits superelastic behavior suitable for medical device applications in the human body.

Abstract: A stent that is at least partially formed of a novel metal alloy, which novel metal alloy improves the physical properties of the stent.

Abstract: A radiopaque nitinol medical device such as a stent for use with or implantation in a body lumen is disclosed. The stent is made from a superelastic alloy such as nickel-titanium or nitinol, and includes a ternary element selected from the group of chemical elements consisting of iridium, platinum, gold, rhenium, tungsten, palladium, rhodium, tantalum, silver, ruthenium, or hafnium. The added ternary element improves the radiopacity of the nitinol stent comparable to that of a stainless steel stent of the same size and strut pattern coated with a thin layer of gold. The nitinol stent has improved radiopacity yet retains its superelastic and shape memory behavior and further maintains a thin strut/wall thickness for high flexibility.

Abstract: A (Nb, Ti) phase in an Nb—Ti—Co alloy is composed of a granular structure. The Nb—Ti—Co alloy is preferably subjected to heat treatment at 800° C. or more so that the eutectic structure in the casted state can be changed to a granular structure. The Nb—Ti—Co alloy used there is preferably NbxTi(100-x-y)Coy, (x?70, 20?y?50 (mol %)). By properly predetermining the heating temperature and time, the resulting alloy exhibits improved hydrogen permeability in combination with a good hydrogen embrittlement resistance characteristic in the CoTi phase, making it possible to provide a practical hydrogen permeable membrane having an advantageously high performance.

Abstract: Disclosed are methods of making multi-element, finely divided, alloy powders containing silver and at least two non-silver containing elements and the uses of these powders in ceramic piezoelectric devices.

Abstract: To provide a Ti—Ni—Nb alloy device which is a shape memory device excellent in response characteristics. The Ti—Ni—Nb alloy device is made of a Ti—Ni—Nb alloy which finishes transformation at a temperature lower than 10° C. after start of reverse transformation.

Abstract: A method for production of a bead single crystal includes heating at least one wire using electron beam heating to form the bead single crystal. The bead single crystal is advantageously produced by the electron beam heating of the at least one wire in vacuo. Bead single crystals comprising Ag, Al, Cr, Cu, Ir, Mo, Nb, Ni, Pd, Pt, Re, Rh, Ru, Ta, W or metal alloys, in particular, Ag/Au, Pt/Rh or Pt/Re alloys are advantageously produced by the method. The bead single crystals are preferably used in surface research, thin layer technology and electrochemistry.

Abstract: An unactivated, poorly activatable hydrogen storage component and an activated hydrogen storage component are mixed to prepare a hydrogen storage material. When the hydrogen storage material is activated, the poorly activatable hydrogen storage component is converted to a hydrogen storable state in a remarkably short time. The poorly activatable hydrogen storage component may be a V—Cr—Ti hydrogen storage alloy having a body-centered cubic (BCC) crystal structure. The activated hydrogen storage component preferably is MgHx (0.1?x?2) doped with a nanoparticle of at least one atom selected from the group of Ni, Fe, Ti, Mn, and V.

Abstract: A method of making a catalyst. The method comprises the step of leaching a portion of the bulk of an alloy. The alloy may be a hydrogen storage alloy.

Abstract: A hard alloy material comprising tungsten carbide in an amount of less than 50 weight percent of the material, titanium carbide in an amount of at least about 30 weight percent, and a binder material of cobalt and nickel. In other aspects of the invention, molybdenum and/or chromium are included to further lower the thermal conductivity of the material. The thermal conductivity of the material of the invention is about 12 Watt/m° K or less.

Abstract: The present invention provides a method of cleaning a GaAs substrate with less precipitate particles after cleaning. This cleaning method comprises an acid cleaning step (S11), a deionized water rinsing step (S12), and a rotary drying step (S13). First, a GaAs substrate with a mirror finished surface is immersed in an acid cleaning solution in the acid cleaning step (S11). In the acid cleaning step, the cleaning time is less than 30 seconds. Next, the deionized water rinsing step performs the cleaned GaAs substrate with deionized water (S12) to wash away the cleaning solution deposited thereon. Subsequently, the rotary drying step dries the GaAs substrate deposited on deionized water (S13). This provides the cleaned GaAs substrate with less precipitate particles.

Abstract: This invention relates to alloys and wear resistant alloy powders useful for deposition through thermal spray devices. The alloys comprise from about 20 to 65 weight percent chromium, about 20 to 65 weight percent molybdenum, about 0.5 to 3 weight percent carbon, and about 10 to 45 weight percent nickel. The wear resistant alloy powders are useful for forming coatings having the same composition.

Abstract: There are provided an intermetallic-compound superconductor that is high in superconducting transition temperature, and an alloy superconductor that is high in superconducting transition temperature and excels in malleability and ductility, as well as a method of making such a superconductor with good reproducibility and at a low cost of manufacture. This entirely new intermetallic compound superconductor is made of magnesium (Mg) and beryllium (Be) and has a chemical composition expressed by formula: Mg1Be2, has a hexagonal AlB2 type crystallographic structure and has a superconducting transition temperature (Tc) of 35 K. An alloy containing this intermetallic compound excels in malleability and ductility and constitutes the alloy superconductor having a superconducting transition temperature (Tc) of 35 K and being low in specific resistance for normal conduction at a temperature ranging from the superconducting transition temperature to a room temperature.

Abstract: The present teachings are directed toward electrocatalyst compositions of alloys of platinum, tungsten and one of either of nickel or zirconium for use in fuel cells. The alloys consists essentially of platinum present in an atomic percentage ranging between about 20 percent and about 45 percent, tungsten present in an atomic percentage ranging between about 30 percent and about 70 percent, and one of either nickel present in an atomic percentage ranging between about 5 percent and about 25 percent, or zirconium present in an atomic percentage ranging between about 5 percent and about 40 percent.

Abstract: Disclosed is a compound comprising Ba—Sr—Ca obtained by heat treating, under a reducing atmosphere, a starting material which is a blend comprising Ba oxide; Sr oxide; Ca oxide; an oxide of Eu, Mn, Sm, Sn, Sb, Ce, Pr, Nd, Gd, Tb, Dy, Ho, Er, Tm, Yb, or Bi; Mg oxide; and an oxide of Si or Ge; the blend being mixed together in a molar ratio of x:y:z:(7-x-y-z):a:b, where 0<x<7, 0<y<7, 0<z<7, 0.9<a<1.1 and 3.6<b<4.4, wherein the compound comprising Ba—Sr—Ca provides white luminescence when the compound comprising Ba—Sr—Ca is illuminated by ultraviolet or near-ultraviolet electromagnetic radiation.

Abstract: An object of the present invention is to develop a shape memory and superelastic alloy that does not contain nickel, and has superelasticity and shape memory properties even if being subjected to heat treatment in spite of high biocompatibility, moreover having high cold workability. The Ti—Nb—Zr base alloy is comprising an alloy composition consisting of 40 to 60 wt % Ti, 18 to 30 wt % Nb, 18 to 30 wt % Zr, and 0.77 to 3.7 wt % at least one metal additional element selected from Al, Sn, In and Ga. The Ti—Nb—Zr base alloy is a practical alloy in which the principal components form a strong and dense oxidation film to exhibit high biocompatibility, and also the alloy has superelasticity and shape memory properties, high cold workability, and high low-temperature properties.