Abstract: A composition of matter is generally provided, in one embodiment, a titanium alloy comprising about 5 wt % to about 8 wt % aluminum; about 2.5 wt % to about 5.5 wt % vanadium; about 0.1 wt % to about 2 wt % of one or more elements selected from the group consisting of iron and molybdenum; about 0.01 wt % to about 0.2 wt % carbon; up to about 0.3 wt % oxygen; silicon and copper; and titanium. A turbine component is also generally provided, in one embodiment, that comprises an article made from a titanium alloy. Additionally, methods are also generally provided for making an alloy component having a beta transus temperature and a titanium silicide solvus temperature.

Abstract: Some variations provide a metal-alloy biphasic system containing a first metal M1 and a second metal M2, wherein a second metal phase has a melting temperature lower than that of a first metal phase, and wherein the metal-alloy biphasic system has a hierarchical microstructure containing a second length scale that is at least one order of magnitude smaller than a first length scale. Some variations provide a metal-alloy biphasic system containing a first metal M1 and a second metal M2, wherein a second metal phase has a melting temperature lower than that of a first metal phase, and wherein the first metal phase forms a continuous network. Other variations provide a metal-alloy biphasic powder containing at least a first metal and a second metal, wherein the solubility of first metal in second metal is less than 5%. Methods of making and using the powders and biphasic system are disclosed.

Abstract: A method for producing a further wire, wherein the method includes, providing a first wire and feeding the first wire through a furnace to obtain the further wire. A further cast of the further wire is larger than a first cast of the first wire.

Abstract: A method of servicing a gas turbine engine is disclosed. According to the method, a component including a titanium alloy is removed from the gas turbine engine after operating the gas turbine engine with the component in service. The removed component is subjected to heat treatment, and the heat-treated component is re-installed into the gas turbine engine or installed into a different gas turbine engine.

Abstract: A process to fabricate ultra-fine grain metal hollow object, comprising: inserting an annealed hollow prototype in an Equal Channel Angular Pressing (ECAP) die, providing a flexible elastic polyurethane mandrel to fill the central hollow space, optionally (if needed) provide polyurethane support to fill the spaces between the outer boundary of the prototype and the inner surface of the ECAP channel and to exert sufficient pressure to complete the ECAP process. The process is designed to improve thermal conductance and mechanical properties of hollow metal parts and is especially applicable to achieving the maximal heat conductance and tensile strength of titanium piping, construction tubing, and cylindrical reactors.

Abstract: A non-limiting embodiment of a titanium alloy comprises, in weight percentages based on total alloy weight: 5.5 to 6.5 aluminum; 1.5 to 2.5 tin; 1.3 to 2.3 molybdenum; 0.1 to 10.0 zirconium; 0.01 to 0.30 silicon; 0.1 to 2.0 germanium; titanium; and impurities. A non-limiting embodiment of the titanium alloy comprises a zirconium-silicon-germanium intermetallic precipitate, and exhibits a steady-state creep rate less than 8×10?4 (24 hrs)?1 at a temperature of at least 890° F. under a load of 52 ksi.

Abstract: A process to fabricate ultra-fine grain metal hollow object, comprising: inserting an annealed hollow prototype in an Equal Channel Angular Pressing (ECAP) die, providing a flexible elastic polyurethane mandrel to fill the central hollow space, optionally (if needed) provide polyurethane support to fill the spaces between the outer boundary of the prototype and the inner surface of the ECAP channel and to exert sufficient pressure to complete the ECAP process. The process is designed to improve thermal conductance and mechanical properties of hollow metal parts and is especially applicable to achieving the maximal heat conductance and tensile strength of titanium piping, construction tubing, and cylindrical reactors.

Abstract: Systems and methods for increasing computing efficiency include a compiler configured to compress a variant table into a variant decomposition diagram (VDD). VDDs are compact representations of one or more variant tables and comprise a series of nodes and links that can be used to evaluate (e.g., filter, iterate, access) the variant table.

Abstract: The invention is directed at sputter targets including 50 atomic % or more molybdenum, a second metal element of niobium or vanadium, and a third metal element selected from the group consisting of titanium, chromium, niobium, vanadium, and tantalum, wherein the third metal element is different from the second metal element, and deposited films prepared by the sputter targets. In a preferred aspect of the invention, the sputter target includes a phase that is rich in molybdenum, a phase that is rich in the second metal element, and a phase that is rich in the third metal element.

Abstract: An orthodontic archwire includes an anterior region, bicuspids regions and posterior regions. The archwire exhibits substantially constant unloading force in at least one of the anterior region, bicuspids regions and posterior regions, having a variation of unloading force of less than 15 gf during unloading from about 2 mm to about 0.6 mm deflection. A set of orthodontic archwires can have the property that the anterior region of a first archwire has substantially the same clinical working force as the anterior region of a second archwire, the bicuspids regions of the first archwire has substantially the same clinical working force as the bicuspids regions of the second archwire, and the posterior regions of the first archwire has substantially the same clinical working force as the posterior regions of the second archwire.

Abstract: The invention discloses an aging resistant backside silver paste used for the crystalline silicon solar cells and a preparation method thereof. The paste comprises 40-50 parts by weight of silver powder, 1-10 parts by weight of nanosized copper powder, 2-10 parts by weight of lead-free glass powder, 35-55 parts by weight of organic binder, 1-5 parts by weight of other additives. The preparation method comprises the following steps: preparation of an organic binder; preparation of lead-free glass powder and preparation of an aging resistant backside silver paste. Application of the aging resistant backside silver paste used for crystalline silicon solar cells prepared in the invention may results in a dense electrode conductive layer, excellent welding properties and a distinct advantage in aging resistance.

Abstract: The invention is directed at sputter targets including 50 atomic % or more molybdenum, a second metal element of titanium, and a third metal element of chromium or tantalum, and deposited films prepared by the sputter targets. In a preferred aspect of the invention, the sputter target includes a phase that is rich in molybdenum, a phase that is rich in titanium, and a phase that is rich in the third metal element.

Abstract: A slide component comprises a base member and a plated layer. The base member is made of a titanium alloy including beta phase of titanium. The base member includes a surface having a plurality of recesses. The plated layer is provided on the surface of the base member.

Abstract: A bulk acoustic wave (BAW) resonator having a first electrode, a second electrode, and a piezoelectric layer between the first electrode and the second electrode. The first electrode is of a first electrode material. The second electrode is of a second electrode material. The piezoelectric layer is of a piezoelectric material doped with at least one rare earth element. The BAW resonator has a resonant frequency dependent at least in part on respective thicknesses and materials of the first electrode, the second electrode and the piezoelectric layer. The resonant frequency has a temperature coefficient. At least one of the first electrode and the second electrode includes a niobium alloy electrode material that, relative to molybdenum as the electrode material, reduces the temperature coefficient of the resonant frequency of the BAW resonator.

Abstract: A method includes heating an initial titanium alloy comprising a duplex microstructure at a first solution temperature that is below a phase transition temperature of the alloy. Substantially all secondary alpha phase domains may dissolve during the heating. The method also includes cooling the initial titanium alloy at a first cooling rate to form a recrystallized annealed titanium alloy comprising primary alpha phase domains. The method further includes heating the recrystallized annealed titanium alloy to a second solution temperature that is below the phase transition temperature of the alloy. The method additionally includes cooling the recrystallized annealed titanium alloy at a second cooling rate to form a treated titanium alloy comprising the duplex microstructure. The second cooling rate is different than the first cooling rate. A distribution of crystallographic orientations of primary alpha phase domains in the treated titanium alloy may be different than in the initial titanium alloy.

Abstract: This disclosure describes various configurations and components for bimetallic and trimetallic claddings for use as a wall element separating nuclear material from an external environment. The cladding materials are suitable for use as cladding for nuclear fuel elements, particularly for fuel elements that will be exposed to sodium or other coolants or environments with a propensity to react with the nuclear fuel.

Abstract: A method for producing titanium powder containing a solid-soluted nitorogen comprises the step of heating titanium powder comprised of titanium particles in a nitrogen-containing atmosphere to dissolve nitrogen atoms and form a solid solution of nitrogen atom in a matrix of the titanium particle.

Abstract: The present invention provides a ?-type titanium alloy that includes, by mass %, when Al: 2 to 5%, 1) Fe: 2 to 4%, Cr: 6.2 to 11%, and V: 4 to 10%, 2) Fe: 2 to 4%, Cr: 5 to 11%, and Mo: 4 to 10%, or 3) Fe: 2 to 4%, Cr: 5.5 to 11%, and Mo+V (total of Mo and V): 4 to 10% in range, and a balance of substantially Ti. These include Zr added in amounts of 1 to 4 mass %. Furthermore, by making the oxygen equivalent Q 0.15 to 0.30 or leaving the alloy in the work hardened state or by applying both, the tensile strength before aging heat treatment can be further increased.

Abstract: A treatment process for a zirconium alloy is provided. The process includes the following steps: a zirconium alloy ingot is prepared, the composition of which is: 0.40%?Nb?1.05%; traces?Sn?2%; (0.5Nb?0.25) %?Fe?0.50%; traces?Ni?0.10%; traces?(Cr+V) %?0.50%; traces?S?35 ppm; 600 ppm?O?2000 ppm, preferably 1200 ppm?O?1600 ppm; traces?Si?120 ppm; traces?C?150 ppm; the remaining being Zr and unavoidable impurities; the ingot undergoes at least one reheating and hot shaping step, and possibly a reheating and quenching step following a hot shaping step; optionally the hot-shaped ingot undergoes an annealing; the hot-shaped and possibly annealed ingot undergoes at least one cycle of cold rolling-annealing steps; the annealing of at least one of the cold rolling-annealing steps being performed at a temperature comprised between 600° C. and the lowest of either 700° C. or (710?20×Nb %)° C.

Abstract: A titanium-based intermetallic alloy includes, in atomic percent, 16% to 26% Al, 18% to 28% Nb, 0% to 3% of a metal M selected from Mo, W, Hf, and V, 0.1% to 2% of Si, 0% to 2% of Ta, 1% to 4% of Zr, with the condition Fe+Ni?400 ppm, the balance being Ti, the alloy also presenting an Al/Nb ratio in atomic percent lying in the range 1.05 to 1.15.

Abstract: The present invention relates to a TiAl alloy for use at high temperatures having the main constituents titanium and aluminum and having a proportion of aluminum of greater than or equal to 30 at. % and a matrix composed of ? phase and precipitates of ? phase embedded in the matrix, with the ? phase and the ? phase together making up at least 55% by volume of the microstructure, and also a process for the production thereof and the use thereof.

Abstract: An electronic timepiece includes an outer case, a back cover, and an antenna for receiving radio waves disposed in the outer case, wherein at least one of the outer case and the back cover is formed from a titanium alloy composed of aluminum in an amount of 3.50 mass % or more and 4.50 mass % or less and vanadium in an amount of 20.00 mass % or more and 23.00 mass % or less, with the remainder including titanium and impurities.

Abstract: The invention is directed at sputter targets including 50 atomic % or more molybdenum, a second metal element of titanium, and a third metal element of chromium or tantalum, and deposited films prepared by the sputter targets. In a preferred aspect of the invention, the sputter target includes a phase that is rich in molybdenum, a phase that is rich in titanium, and a phase that is rich in the third metal element.

Abstract: One embodiment of a method of refining alpha-phase grain size in an alpha-beta titanium alloy comprises working an alpha-beta titanium alloy at a first working temperature within a first temperature range in the alpha-beta phase field of the alpha-beta titanium alloy. The alloy is slow cooled from the first working temperature. On completion of working at and slow cooling from the first working temperature, the alloy comprises a primary globularized alpha-phase particle microstructure. The alloy is worked at a second working temperature within a second temperature range in the alpha-beta phase field. The second working temperature is lower than the first working temperature. The is worked at a third working temperature in a third temperature range in the alpha-beta phase field. The third working temperature is lower than the second working temperature. After working at the third working temperature, the titanium alloy comprises a desired refined alpha-phase grain size.

Abstract: An electronic device includes a semiconductor memory that includes: a variable resistance element formed over a substrate; and a carbon-containing aluminum nitride layer formed on sidewalls and in an upper portion of the variable resistance element.

Abstract: A process for making an article of a titanium alloy having ?? phase as a major phase according to the present invention includes providing a work piece of a titanium alloy consisting essentially of 7-9 wt % of molybdenum and the balance titanium and having ?? phase as a major phase; and cold working at least a portion of the work piece at room temperature to obtain a green body of the article, wherein the cold worked portion of the green body has a thickness which is 20%-80% of that of the at least a portion of the work piece, and the cold worked portion has ?? phase as a major phase.

Abstract: A method for manufacturing a component having increased thermal conductivity through layer-by-layer construction. At least one section of the component is constructed by applying a layer section having predetermined dimensions of a composite material of a metal and/or a metal alloy and particles of a highly heat-conducting material, including diamond and/or cubic boron nitride, in a predetermined area on a base layer by melting the metal or the metal alloy a heat source, in such a way that the metal and/or metal alloy form(s) within the predetermined dimensions a cohesive matrix, in which particles of the highly heat-conducting material are embedded, and then cooling.

Abstract: A zirconium alloy that is resistant to shadow corrosion for a boiling water nuclear reactor fuel assembly component, the alloy being characterized in that: its composition in percentages by weight is as follows: Nb=0.4%-4.5% Sn=0.20%-1.7% Fe=0.05%-0.45% Fe+Cr+Ni+V=0.05%-0.45%, with Nb?9×[0.5?(Fe+Cr+V+Ni)] S=traces-400 ppm C=traces-200 ppm Si=traces-120 ppm O=600 ppm-1800 ppm the balance being Zr and impurities from processing; in that, during fabrication, after its last hot deformation, it is subjected to one or more heat treatments lying in the range 450° C. to 610° C. for a total duration of at least 4 h, with at least one cold rolling operation with a rolling ratio of at least 25%; and in that a final heat treatment operation is performed at a temperature in the range 450° C. to 610° C. for 1 minute to 20 hours. A fuel assembly component made of the alloy, a fuel assembly including the component, and the use thereof.

Abstract: According to a thermomechanical treatment process for a titanium alloy including between 23 and 27% niobium in atomic proportion, between 0 and 10% zirconium, and between 0 and 1% oxygen, nitrogen and/or silicon, the following steps are performed: a) an increase of a sample of the alloy to a temperature higher than 900° C., b) a fast quench, c) a severe cold strain, d) an ageing treatment at a temperature included between 200 and 600° C., the time of the ageing treatment being included between 10 seconds and 10 minutes. Alloy obtained by this process and prostheses made from such an alloy.

Abstract: A titanium alloy that is created to be formed into a bearing component, wherein the titanium alloy comprises from 5 to 7 wt % Al, from 3.5 to 4.5 wt % V, from 0.5 to 1.5 wt % Mo, from 2.5 to 4.5 wt % Fe, from 2.5 to 4.5 wt % Fe, from 0.05 to 2 wt % Cr. The alloy can optionally include one or more of the following elements: up to 2.5 wt % Zr, up to 2.5 wt % Sn, and up to 0.5 wt % C. The balance of the composition comprises Ti together with unavoidable impurities.

Abstract: Metastable beta titanium alloys and methods of processing metastable (?-titanium alloys are disclosed. For example, certain non-limiting embodiments relate to metastable (?-titanium alloys, such as binary ?-titanium alloys comprising greater than 10 weight percent molybdenum, having tensile strengths of at least 150 ksi and elongations of at least 12 percent. Other non-limiting embodiments relate to methods of processing metastable ?-titanium alloys, and more specifically, methods of processing binary (?-titanium alloys comprising greater than 10 weight percent molybdenum, wherein the method comprises hot working and aging the metastable ?-titanium alloy at a temperature below the (?-transus temperature of the metastable (?-titanium alloy for a time sufficient to form ?-phase precipitates in the metastable ?-titanium alloy. The metastable ?-titanium alloys are not solution heat treated after hot working and prior to aging.

Abstract: In a Cr—Cu alloy that is formed by powder metallurgy and contains a Cu matrix and flattened Cr phases, the Cr content in the Cr—Cu alloy is more than 30% to 80% or less by mass, and the average aspect ratio of the flattened Cr phases is more than 1.0 and less than 100. The Cr—Cu alloy has a small thermal expansion coefficient in in-plane directions, a high thermal conductivity, and excellent processibility. A method for producing the Cr—Cu alloy is also provided. A heat-release plate for semiconductors and a heat-release component for semiconductors, each utilizing the Cr—Cu alloy, are also provided.

Abstract: The present invention provides a beta-type titanium alloy including, by weight %: Nb: 10 to 25%; Cr: 1 to 10%; at least one of Zr: 10% or less and Sn: 8% or less, satisfying Zr+Sn being 10% or less; and the balance of Ti and inevitable impurities, the alloy having Young's modulus of 100 GPa or less, a process for producing the beta-type titanium alloy, and a beta-type titanium alloy product.

Abstract: A process for making an article of a titanium alloy having ?? phase as a major phase according to the present invention includes providing a work piece of a titanium alloy consisting essentially of 7-9 wt % of molybdenum and the balance titanium and having ?? phase as a major phase; and cold working at least a portion of the work piece at room temperature to obtain a green body of the article, wherein the cold worked portion of the green body has a thickness which is 20%-80% of that of the at least a portion of the work piece, and the cold worked portion has ?? phase as a major phase.

Abstract: An apparatus for thermally treating a plurality of curved suture needles. The apparatus includes a conveyer for transferring the plurality of curved suture needles from a source of curved suture needles to a receiver, a housing positioned adjacent the conveyer, the housing having a first end, a second end, and an opening running from the first end to the second end, the opening aligned with the conveyer to enable the plurality of curved suture needles to pass therethrough, and a heat source located within the housing for heating the plurality of curved suture needles as the plurality of curved suture needles are transferred by the conveyer from the first end of the housing to the second end of the housing. Also provided is a process for thermally treating a plurality of curved suture needles to enhance the stiffness and yield moment of the curved suture needles. The curved suture needles so treated have a desirable combination of stiffness, strength and ductility.

Abstract: An apparatus for thermally treating and coloring a plurality of curved suture needles. The apparatus includes a conveyer for transferring the plurality of curved suture needles from a source of curved suture needles to a receiver, a housing positioned adjacent the conveyer, the housing having a first end, a second end, and an opening running from the first end to the second end, the opening aligned with the conveyer to enable the plurality of curved suture needles to pass therethrough, a heat source located within the housing for heating the plurality of curved suture needles as the plurality of curved suture needles are transferred by the conveyer from the first end of the housing to the second end of the housing and a system for providing a gas mixture containing a fractional concentration of oxygen to oxidize and colorize the surfaces of the plurality of curved suture needles as the plurality of suture needles pass through the housing.

Abstract: A high strength near-beta titanium alloy including, in weight %, 5.3 to 5.7% aluminum, 4.8 to 5.2% vanadium, 0.7 to 0.9% iron, 4.6 to 5.3% molybdenum, 2.0 to 2.5% chromium, and 0.12 to 0.16% oxygen with balance titanium and incidental impurities is provided. An aviation system component comprising the high strength near-beta titanium alloy, and a method for the manufacture of a titanium alloy for use in high strength, deep hardenability, and excellent ductility applications are also provided.

Abstract: Disclosed herein are a zirconium alloy composition, which exhibits excellent corrosion resistance by varying the kinds of metal oxides and controlling the size of precipitates of the composition, including: 1.05˜1.45 wt % of Nb; one or more selected from the group consisting of 0.1˜0.7 wt % of Fe and 0.05˜0.6 wt % of Cr; and residual Zr, and a method of preparing the same. The zirconium alloy composition exhibits excellent corrosion resistance by controlling the kinds and amounts of the elements included in the zirconium alloy composition and the heat-treatment temperature and thus varying the kinds of metal oxides formed during an oxidation process and controlling the size of precipitates of the zirconium alloy, so that it can be usefully used as a raw material for nuclear fuel cladding tubes, spacer grids, nuclear reactor internals and the like of a light-water reactor or a heavy-water reactor in a nuclear power plant.

Abstract: There are provided a high hardness, high corrosion resistance and high wear resistance alloy, wherein the alloy is an aging heat treated Cr(chromium)-Al(aluminum)-Ni(nickel)-base alloy, the proportion of a mixed phase of (? phase+?? phase+? phase) precipitated at grain boundaries of ? phase grains in a metal structure in the cross section of the alloy is not less than 95% in terms of area ratio, and the intensity ratio as measured by X-ray diffractometry of the alloy is not less than 50% and not more than 200% in terms of I?(110)/[I?(200)+I??(004)]×100, and a component comprising this alloy, a material for an alloy which can form this alloy, and a process for producing this alloy. The present invention can provide a Cr—Al—Ni-base alloy possessing excellent corrosion resistance, hardness, wear resistance, releasability, fatigue strength, and planishing property in a molding face, a component comprising this alloy, a material for an alloy which can form this alloy, and a process for producing this alloy.

Abstract: An article of manufacture selected from a titanium alloy fastener and a titanium alloy fastener stock including an alpha/beta titanium alloy comprising, in percent by weight: 3.9 to 5.4 aluminum; 2.2 to 3.0 vanadium; 1.2 to 1.8 iron; 0.24 to 0.3 oxygen; up to 0.08 carbon; up to 0.05 nitrogen; titanium; and up to a total of 0.3 of other elements. In certain embodiments, article of manufacture has an ultimate tensile strength of at least 170 ksi (1,172 MPa) and a double shear strength of at least 103 ksi (710.2 MPa). A method of manufacturing a titanium alloy fastener and a titanium alloy fastener stock comprising the alpha/beta alloy is disclosed.

Abstract: Processes for forming an article from an ?+? titanium alloy are disclosed. The ?+? titanium alloy includes, in weight percentages, from 2.90 to 5.00 aluminum, from 2.00 to 3.00 vanadium, from 0.40 to 2.00 iron, and from 0.10 to 0.30 oxygen. The ?+? titanium alloy is cold worked at a temperature in the range of ambient temperature to 500° F., and then aged at a temperature in the range of 700° F. to 1200° F.

Abstract: Ti 5-5-5-3 titanium alloy heat treatment process having, in weighted percentages, the following composition: between 4.4 and 5.7% aluminum, between 4.0 and 5.5% vanadium, between 0.30 and 0.50% iron, between 4.0 and 5.5% molybdenum, between 2.5 and 3.5% chromium, between 0.08 and 0.18% oxygen, 0.10% traces of carbon, 0.05% traces of nitrogen, 0.30% traces of zirconium, 0.15% traces of silicon, the residual percentage being titanium and impurities, characterised in that the heat treatment of said alloy is carried out by: heating to a first stage of between 810 and 840?° C. and below the ?-transus temperature of the alloy; maintaining at the first stage for one to three hours; cooling to a second stage of between 760° C. and 800° C. without intermediate reheating; maintaining at the second stage for two to five hours; cooling to ambient temperature; heating to a third stage of between 540° C. and 650° C.; maintaining at the third stage for four to twenty hours, then cooling to ambient temperature.

Abstract: A zirconium alloy that is resistant to shadow corrosion for a boiling water nuclear reactor fuel assembly component, the alloy being characterized in that: its composition in percentages by weight is as follows: Nb=0.4%-4.5% Sn=0.20%-1.7% Fe=0.05%-0.45% Fe+Cr+Ni+V=0.05%-0.45%, with Nb?9×[0.5?(Fe+Cr+V+Ni)] S=traces-400 ppm C=traces-200 ppm Si=traces-120 ppm O=600 ppm-1800 ppm the balance being Zr and impurities from processing; in that, during fabrication, after its last hot deformation, it is subjected to one or more heat treatments lying in the range 450° C. to 610° C. for a total duration of at least 4 h, with at least one cold rolling operation with a rolling ratio of at least 25%; and in that a final heat treatment operation is performed at a temperature in the range 450° C. to 610° C. for 1 minute to 20 hours. A fuel assembly component made of the alloy, a fuel assembly including the component, and the use thereof.

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

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

Abstract: It is an object to provide an inexpensive alloy for heat dissipation having a small thermal expansion coefficient as known composite materials, a large thermal conductivity as pure copper, and excellent machinability and a method for manufacturing the alloy. In particular, since various shapes are required of the alloy for heat dissipation, a manufacturing method by using a powder metallurgy method capable of supplying alloys for heat dissipation, the manufacturing costs of which are low and which take on various shapes, is provided besides the known melting method. The alloy according to the present invention is a Cu—Cr alloy, which is composed of 0.3 percent by mass or more, and 80 percent by mass or less of Cr and the remainder of Cu and incidental impurities and which has a structure in which particulate Cr phases having a major axis of 100 nm or less and an aspect ratio of less than 10 are precipitated at a density of 20 particles/?m2 in a Cu matrix except Cr phases of 100 nm or more.

Abstract: A titanium alloy includes at least one alloying element whose molybdenum equivalent “Moeq” is from 3 to 11% by mass, at least one interstitial solution element selected from the group consisting of O, N and C in an amount of from 0.3 to 3% by mass, and the balance of Ti, when the entirety is taken as 100% by mass. Its content of Al is controlled to 1.8% by mass or less, and it is ? single phase at room temperature at least.

Abstract: There are provided a high hardness, high corrosion resistance and high wear resistance alloy, wherein the alloy is an aging heat treated Cr(chromium)-Al(aluminum)-Ni(nickel)-base alloy, the proportion of a mixed phase of (? phase+?? phase+? phase) precipitated at grain boundaries of ? phase grains in a metal structure in the cross section of the alloy is not less than 95% in terms of area ratio, and the intensity ratio as measured by X-ray diffractometry of the alloy is not less than 50% and not more than 200% in terms of I?(110)/[I?(200)+I??(004)]×100, and a component comprising this alloy, a material for an alloy which can form this alloy, and a process for producing this alloy. The present invention can provide a Cr—Al—Ni-base alloy possessing excellent corrosion resistance, hardness, wear resistance, releasability, fatigue strength, and planishing property in a molding face, a component comprising this alloy, a material for an alloy which can form this alloy, and a process for producing this alloy.

Abstract: A medical device includes an alloy having a microstructure that provides desirable properties. The alloy can be a eutectoid composition of e.g. titanium as a major constituent and any combination of iridium, platinum, chromium, gold, silver, bismuth, manganese, palladium, cobalt, copper, iron, and/or nickel as a minor constituent, wherein the alloy forms at least a portion of the medical device.