Abstract: A sputtering target containing molybdenum and at least one metal from the group tantalum and niobium. The average content of tantalum and/or niobium is from 5 to 15 at % and the molybdenum content is greater than or equal to 80 at %. The sputtering target has at least a matrix with an average molybdenum content of greater than or equal to 92 at % and particles which are composed of a solid solution containing at least one metal from the group of tantalum and niobium, and molybdenum, with an average molybdenum content of greater than or equal to 15 at % and are embedded in the matrix. There is also described a method of producing a sputtering target.

Abstract: A zirconium alloy cladding tube for use in a water cooled nuclear reactor under normal operating conditions and under high temperature oxidation conditions is described. The cladding tube has a coating uniformly deposited thereon. The coating, which may be up to 300 microns thick, is selected from the group consisting of chromium, a chromium-based alloy, and combinations thereof.

Abstract: A method for the joining of ceramic pieces into an assembly adapted to be used in semiconductor processing. The joined pieces are adapted to withstand the environments within a process chamber during substrate processing, chamber cleaning processes, and the oxygenated atmosphere which may be seen within the shaft of a heater or electrostatic chuck. The ceramic pieces may be aluminum nitride and the pieces may be brazed with aluminum. The joint material is adapted to withstand both the environments within a process chamber during substrate processing, and the oxygenated atmosphere which may be seen within the shaft of a heater or electrostatic chuck. The joint is adapted to provide a hermetic seal across the joint. The joined pieces are adapted to be separated at a later time should rework or replacement of one of the pieces be desired.

Abstract: Spinel has conventionally been used as mentioned above in applications, such as gems, catalyst carriers, adsorbents, photocatalysts, optical materials, and heat-resistant insulating materials, and is not expected to be used in an application of an inorganic filler having thermal conductive properties. Accordingly, an object of the present invention is to provide spinel particles having excellent thermal conductive properties. A spinel particle having spinel containing a magnesium atom, an aluminum atom, and an oxygen atom, and molybdenum being existed on the surface of and/or in the inside of the spinel, wherein the crystallite diameter of the spinel at the [311] plane is 100 nm or more.

Abstract: Methods for making Ta sputter targets and sputter targets made thereby. Ta ingots are compressed along at least two of the x, y, and z dimensions and then cross rolled in at least one of those dimensions. A pair of target blanks is then cut from the cross rolled ingot. The resulting targets have a predominate mix of {100} and {111} textures and have reduced B {100} and B {111} banding factors.

Abstract: An article including a first layer of a shielding material comprising a first surface and an opposite second surface. The article also includes an core material coupled to the first surface, wherein the core material is configured to eliminate pathogens located on the second surface.

Abstract: A method for the joining of ceramic pieces with a hermetically sealed joint comprising brazing a layer of joining material between the two pieces. The ceramic pieces may be aluminum nitride or other ceramics, and the pieces may be brazed with a high purity silicon or a silicon alloy under controlled atmosphere. The joint material is adapted to later withstand both the environments within a process chamber during substrate processing, and the oxygenated atmosphere which may be seen within the interior of a heater or electrostatic chuck.

Abstract: In one aspect, sintered cemented carbide compositions are described herein exhibiting desirable wear resistance without deleterious losses in fracture toughness. Such cemented carbide compositions can be employed as tooling in a variety of applications including earth boring and mining operations as well as machining various metals and alloys. For example, a sintered cemented carbide composition described herein comprises a hard particle phase including tungsten carbide and a cobalt-based metallic binder comprising a cubic cobalt-molybdenum solid solution phase.

Abstract: A method for preparing an ultra-long-tube type fine-grain molybdenum tube target uses molybdenum powder with the purity being greater than 3N to prepare a target tube with a uniform wall thickness, where the length is 1700-2700 mm; the diameter is greater than 150 mm; and the wall thickness is 15-40 mm. The method includes: taking molybdenum powder, feeding the molybdenum powder into a film, molding by static pressing, placing in a medium frequency furnace, performing hydrogen sintering to form a tube blank, placing into a mold, forging the mold of a tube target, placing into tempering furnace, annealing, forming fine-grain structures, fine processing, washing, and drying to prepare a molybdenum tube target. The method overcomes defects of a sintering process and a forging process, and relates to simple processes, easy industrial production and control, reduced pollution, reduced cost, improved quality, and remarkably improved production efficiency.

Abstract: A method for preparing a high-performance tantalum target, a high-performance target prepared by the method, and a use of the high-performance target. The method for preparing the high-performance tantalum target comprises: firstly, preparing a tantalum ingot into a forging blank by a method of cold forging in conjunction with hot forging; then, rolling the forging blank by a hot rolling method; and finally, performing leveling, and performing discharging, milling and surface treatment according to a size of a finished product, so as to obtain the tantalum target. The tantalum target prepared by the method has uniform crystallization, with a grain size between 50 ?m and 120 ?m. A texture component where a texture (110) dominants in the thickness direction of the target is obtained. A total proportion of three textures (111), (110) and (100) is between 40% and 50%, ensuring a consistent sputtering rate of the tantalum target during use.

Abstract: A Mo—Si—B-based alloy for a heat-resistant alloy that satisfies, more than conventional, physical properties such as proof stress and hardness adapted to an increase in the melting point of 5 a welding object. The Mo—Si—B-based alloy powder is such that the full width at half maximum of (600) of Mo5SiB2 in X-ray diffraction peak data is 0.08 degrees or more and 0.7 degrees or less.

Abstract: According to one embodiment, a tungsten alloy includes a W component and a Hf component including HfC. A content of the Hf component in terms of HfC is 0.1 wt % or more and 3 wt % or less.

Abstract: [Problem] To suppress the generation of particles by reducing the average particle diameter to several dozen ?m or less. [Solution] After forming a preform of a tungsten powder, the preform is sintered. The preform is formed so as to have a relative density of 70-90% (inclusive) and an oxygen content of 100-500 ppm (inclusive). The sintering is carried out by a hot isostatic pressing method at 1,700-1,850° C. (inclusive). Consequently, a tungsten target which has an average particle diameter of 20 ?m or less with a standard deviation of 10 ?m or less, a relative density of 99% or more and an oxygen content of 10 ppm or less can be obtained. This tungsten target is capable of significantly reducing the generation of particles during sputtering.

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: The present disclosure relates to a protective layer composition that includes TixSiyA, where A is Cm, CmNl, OnCm, or OnCmNl and x, y, l, m, and n are positive integers. In one implementation, the protective layer composition has a ratio of x over (x+y) in the range of between about 0.1 and about 1.0. In another implementation, the protective layer composition has a ratio of x over (x+y) in the range of between about 0.3 and about 0.9. In yet another implementation, the protective layer composition has a ratio of x over (x+y) that is about 0.6. The protective layer composition may be amorphous. Also, the protective layer composition may include an atomic percentage of Ti that is less than about 20%. In one implementation of the protective layer composition, x is 2, y is 1, and A is C3.

Abstract: In various embodiments, planar sputtering targets are produced by forming a billet at least by pressing molybdenum powder in a mold and sintering the pressed powder, working the billet to form a worked billet, heat treating the worked billet, working the worked billet to form a final billet, and heat treating the final billet.

Abstract: A nickel material, which comprises by mass percent, C: 0.003 to 0.20% and one or more elements selected from Ti, Nb, V and Ta: a total content less than 1.0%, the contents of these elements satisfying the relationship specified by the formula of “(12/48) Ti+(12/93) Nb+(12/51) V+(12/181) Ta—C?0”, with the balance being Ni and impurities, does not deteriorate in the mechanical properties and corrosion resistance even when it is used at a high temperature for a long time and/or it is affected by the heat affect on the occasion of welding. Therefore, it can be suitably used as a member for use in various chemical plants including facilities for producing caustic soda, vinyl chloride and so on. Each element symbol in the above formula represents the content by mass percent of the element concerned.

Abstract: A method of making metal articles as well as sputtering targets is described, which involves deforming an ingot to preferred dimensions. In addition, products made by the process of the present invention are further described.

Abstract: A tubular target is formed of molybdenum or a molybdenum alloy which has an oxygen content of less than 50 ?g/g, a density of greater than 99% of the theoretical density and an average grain size of less than 100 ?m. The molybdenum or molybdenum alloy tube may be produced by extrusion and it is formed with walls having a wall thickness that increases towards the ends of the tube. The molybdenum tube has a backing tube of titanium or titanium alloy that is attached inside with a material bond connection. Alternatively, the backing tube is formed of austenitic steel or a copper alloy.

Abstract: A multi-element alloy material consists of Al, Cr, Fe, Mn, Mo and Ni. From an outer surface to a center of the multi-element alloy material exhibits a hardness gradient from high to low. A method of manufacturing a multi-element alloy material with hardness gradient includes melting and casting metals with a metal combination of Al, Cr, Fe, Mn, Mo and Ni to form an alloy body, subjecting the alloy body to a homogenization treatment, and subjecting the homogenized alloy body to a high temperature treatment to perform precipitation hardening at surface of the alloy body by heating, thereby forming a multi-element alloy material having hardness gradient.

Abstract: A sputtering target and surface processing method is provided. Intermetallic compounds, oxides, carbides, carbonitrides and other substances without ductility exist in the target surface in a highly ductile matrix phase at a volume ratio of 1 to 50%. The target surface is preliminarily subjected to primary processing of cutting work, and then subsequently subjected to finish processing via polishing. The sputtering target subject to this surface processing has an improved target surface with numerous substances without ductility and prevents or suppresses the generation of nodules and particles upon sputtering.

Abstract: Provided is an industrially advantageous molybdenum material which is capable of causing secondary recrystallization to occur at a temperature lower than conventional and which, after the secondary recrystallization, can have a structure that comprises giant crystal grains with less grain boundaries and thus is excellent in creep resistance. The molybdenum material has, in at least a part thereof, a portion having a region where the peak intensities of the (110) and (220) diffraction planes are each less than the peak intensity of the (211) diffraction plane, as measured by X-ray diffraction, in a region at a depth of one-fifth of the entire thickness in a plate thickness direction from a surface.

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: Provided is an electrode (1) which has a double structure including Cu or a Cu alloy as an electrode body (2) and a core material (3) made of W, Mo, a W-based alloy, or a Mo-based alloy embedded in a surface of the electrode body (2) which is abutted against a material to be welded, the core material (3) being formed by using W, Mo, the W-based alloy, or the Mo-based alloy which is in the form of a fibrous structure extended by sintering, swaging, and annealing in an electrode axis direction, the fibrous structure having a horizontal cross-sectional average particle diameter of 50 ?m or more and an aspect ratio of 1.5 or more. The electrode (1) can be used as an inexpensive electrode obtained by suppressing particle dropping/attrition and defects in electrodes for spot welding, in which heat and pressure are applied repeatedly, stably enhancing durability.

Abstract: In various embodiments, tubular sputtering targets are produced by forming a tubular billet at least by pressing molybdenum powder in a mold and sintering the pressed molybdenum powder, working the tubular billet to form a worked billet, and heat treating the worked billet.

Abstract: A hypereutectic chromium alloy consisting of 9 to 12 at % tantalum, 4 to 15 at % silicon, 0 to 7 at % molybdenum, 0 to 7 at % aluminum, 0 to 7 at % titanium, 0 to 5 at % rhenium, 0 to 2 at % silver, 0 to 2 at % hafnium, 0 to 2 at % lanthanum, 0 to 2 at % cerium, 0 to 2 at % yttrium and the balance chromium and incidental impurities. The hypereutectic chromium alloy has good oxidation resistance and good fracture toughness. The chromium alloy may be used to make gas turbine engine turbine blades, turbine vanes, turbine seals, combustion chamber tiles, exhaust nozzle segments or steam turbine components.

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: A structured chromium solids particles layer with a network of cracks in which solids particles are embedded, wherein the crack density is 10-250 per mm, the particle size of the solids particles lies in the range of from 0.01-10 ?m, the proportion of solids particles in the overall layer is 1-30 vol.-% and the chromium solids particles layer has a microstructure with depressions in the surface of the layer, wherein the proportion of the surface area accounted for by the depressions is 5-80%. A method for producing the structured chromium solids particles layer on a workpiece includes introducing the workpiece into an electrolyte containing a Cr(VI) compound and electrolytically depositing a chromium layer at a current density of 20-100 A/dm2 and a current yield of 12% or less and then reversing the current direction wherein the solid particles are embedded within the network of cracks.

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: Molybdenum, sputtering targets and sintering characterized as having no or minimal texture banding or through thickness gradient. The molybdenum sputtering targets having a fine, uniform grain size as well as uniform texture, are high purity and can be micro-alloyed to improved performance. The sputtering targets can be round discs, square, rectangular or tubular and can be sputtered to form thin films on substrates. By using a segment-forming method, the size of the sputtering target can be up to 6 m×5.5 m. The thin films can be used in electronic components such as Thin Film Transistor-Liquid Crystal Displays, Plasma Display Panels, Organic Light Emitting Diodes, Inorganic Light Emitting Diode Displays, Field Emitting Displays, solar cells, sensors, semiconductor devices, and gate device for CMOS (complementary metal oxide semiconductor) with tunable work functions.

Abstract: Molybdenum metal powder. Molybdenum metal powder includes molybdenum metal particles having a surface-area-to-mass ratio of between about 1 m2/g and about 4 m2/g, as determined by BET analysis, and a flowability of between about 29 s/50 g and 86 s/50 g as determined by a Hall Flowmeter.

Abstract: Densified molybdenum metal powder. Densified molybdenum metal powder has substantially generally spherical particles, surface-area-to-mass ratio of no more than about 0.5 m2/g as determined by BET analysis, and a flowability greater than about 32 s/50 g as determined by a Hall Flowmeter.

Abstract: Coatings suitable for use as protective oxide-forming coatings on Nb-based substrates exposed to high temperatures and oxidative environments. The coatings contain chromium and/or molybdenum, preferably contains silicon, and optionally contains niobium, titanium, hafnium, iron, rhenium, tantalum, and/or tungsten, which in combination form multiple intermetallic phases, which in combination form one or more intermetallic phases that promote the formation of a slow-growing oxide scale. Depending on the particular coating composition, the intermetallic phases may be: a silicon-modified Cr2Nb Laves phase and optionally a chromium solid solution phase, a CrNbSi intermetallic phase, and/or an M3Si intermetallic phase where M is niobium, titanium, and/or chromium; or M5Si3, MSi2 and/or M3Si2 where M is molybdenum, niobium, titanium, chromium, hafnium, iron, rhenium, tantalum, and/or tungsten.

Abstract: A Mo—Si—B alloy has a matrix of Mo or a Mo solid solution, wherein 25% by volume to 90% by volume of molybdenum silicide and molybdenum boron silicide, optionally together with molybdenum boride, are incorporated. The alloy also contains 0.1-5% by volume of one or more oxides or mixed oxides with a vapor pressure at 1500° C. of <5×10?2 bar in finely dispersed form. The oxide addition not only improves the hot strength but also greatly improves the ductility.

Abstract: Metals for use in glass-making furnaces and which are susceptible to oxidation at furnace operating temperatures, especially iridium or molybdenum, are protected by applying at least (200) microns thickness of a coating formed of metal oxide particles in a metal oxide matrix. Oxidation, measured by weight loss, is significantly reduced.

Abstract: A method for manufacturing a structure including tungsten as a main component and tungsten carbide is provided. In the structure, the content of carbon is at least 0.1% by mass and the total content of cobalt, nickel, and iron is 3% or less by mass, respectively based on the structure.

Abstract: A thin-film composition of nanocrystal molybdenum in an amorphous metallic matrix may be formed by co-sputtering Mo with aluminum or nickel. NEMS cantilevers may be formed from the film. The films exhibit high nanoindentation hardness and a reduction in roughness and intrinsic stress, while maintaining resistivity in the metallic range.

Abstract: Earth-boring tools for drilling subterranean formations include a particle-matrix composite material comprising a plurality of at least partially carburized monotungsten carbide and ditungsten carbide eutectic particles dispersed throughout a matrix material. In some embodiments, the particles are at least substantially fully carburized monotungsten carbide and ditungsten carbide eutectic particles. In further embodiments, the particles are generally spherical or at least substantially spherical. Methods of forming such particles include exposing a plurality of monotungsten carbide and ditungsten carbide eutectic particles to a gas containing carbon. Methods of manufacturing such tools include providing a plurality of at least partially carburized monotungsten carbide and ditungsten carbide eutectic particles or at least substantially completely carburized monotungsten carbide and ditungsten carbide eutectic particles within a matrix material.

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: 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 structure which comprises tungsten as the main component and contains tungsten carbide, wherein the content of carbon is 0.1 mass % or higher based on the structure and the total content of cobalt, nickel, and iron is 3 mass % or lower based on the structure.

Abstract: A metal film according to the present invention has a cubic crystal structure having a periodic pattern of crystal orientation in a plane. The crystal orientation is gradually rotated about a particular crystal-axis direction such that a {100} plane, a {110} plane, and a {111} plane appear.

Abstract: A medical device includes an alloy having chromium, niobium, and platinum, wherein the alloy forms at least a portion of the medical device.

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: In one embodiment, a method for forming an article with a diffusion portion comprises: forming a slurry comprising chromium and silicon, applying the slurry to the article, and heating the article to a sufficient temperature and for a sufficient period of time to diffuse chromium and silicon into the article and form a diffusion portion comprising silicon and a microstructure comprising ?-chromium. In one embodiment, a gas turbine component comprises: a superalloy and a diffusion portion having a depth of less than or equal to 60 ?m measured from the superalloy surface into the gas turbine component. The diffusion portion has a diffusion surface having a microstructure comprising greater than or equal to 40% by volume ?-chromium.

Abstract: A composition for use as a catalyst in, for example, a fuel cell, the composition comprising platinum, copper and tungsten, or an oxide, carbide and/or salt of one or more of platinum, copper and tungsten, wherein the sum of the concentrations of platinum, copper and tungsten, or an oxide, carbide and/or salt thereof, is greater than 90 atomic percent.

Abstract: A sliding member includes a superficial portion forming a sliding surface. The superficial portion includes an oxygen-containing alloy containing at least one metallic element selected from the group consisting of molybdenum and tungsten in an amount of from 2 to 80% by weight; and oxygen in an amount of from 0.5 to 15% by weight. The sliding member sustains lubricating characteristics given to the sliding surface over a long period of time to maintain a low friction coefficient and durability.

Abstract: Provided is free cutting alloy excellent in machinability, preserving various characteristics as alloy. The free cutting alloy contains: one or more of Ti and Zr as a metal element component; and C being an indispensable element as a bonding component with the metal element component, wherein a (Ti,Zr) based compound including one or more of S, Se and Te is formed in a matrix metal phase. The free cutting alloy is more excellent in machinability, preserving various characteristics as alloy at similar levels to a conventional case. The effect is especially conspicuous, for example, when a compound expressed in a chemical form of (Ti,Zr)4C2(S,Se,Te)2 as the (Ti,Zr) based compound is formed at least in a dispersed state in the alloy structure.