Abstract: Disclosed herein is a sliding member having an alloy overlay layer that comes into sliding contact with a counterpart member thereof and has improved fatigue resistance. The sliding member comprises a base material layer and an alloy overlay layer formed on the base material layer, in which the alloy overlay layer has a soft metal phase made of tin and precipitated in a metallic matrix phase made of aluminum, and when an average aspect ratio of the soft metal phase is defined as A, and its standard deviation is defined as A?, A+A? is 3.0 or less. In this case, the soft metal phase has a shape close to a sphere without elongating in a certain direction.

Abstract: A nanoparticle with tunable radial gradients of compositions extending from the center of the nanoparticles. The nature of the gradient preserves the metallic state of the nanoparticles, the diffusion of the constituents, and the oxidation of the interface. The gradients can be purposely varied to allow for specific applications in fields ranging from corrosion, magnetics, information technology, imaging, electromagnetic absorption, coating technologies, and immuno-precipitation. The nanoparticles can be easily used to advance many areas of industry, technology, and life sciences.

Abstract: The present invention relates to a rotor blade shroud for a turbomachine, comprising a sealing tip and a support structure that abuts the sealing tip. The support structure has at least one intermediate region in which a structural segment is arranged, wherein the radially outwardly arranged surface of the support structure and of the structural segment forms an essentially planar surface. The present invention further relates to a rotor blade for a turbomachine, comprising a rotor blade shroud as well as two methods of manufacturing a rotor blade shroud and a method of manufacturing a rotor blade.

Abstract: A repaired oxidation and corrosion resistant coating may comprise a repair material applied to a damaged portion of the oxidation and corrosion resistant coating. The repair material may be free of hexavalent chromium and may be compatible with a plurality of oxidation and corrosion resistant materials that comprise hexavalent chromium. The repair material may be burnished. The oxidation and corrosion resistant coating may comprise hexavalent chromium.

Abstract: The present application relates to a method for producing at least one component for a hydraulic displacement unit, wherein the method is characterized by the steps: prefabrication of a blank component for the at least one component, wherein at least one defined surface region of the blank component is fabricated intentionally with oversize, surface-hardening of the blank component, and final forming of the component from the hardened blank component by removal of the excessive material at the at least one defined surface region fabricated with oversize.

Abstract: The shroud can have a wall curved radially outwardly from an axially oriented inlet to an outlet end, a structural member having a flange at the outlet end, and an insert of Greek Ascoloy exposed on an inner face of the wall.

Abstract: Method of manufacturing a micromechanical component intended to cooperate with another micromechanical component, the method comprising the steps of providing a substrate, forming a mould on said substrate, said mould defining sidewalls arranged to delimit said micromechanical component, providing particles on at least said sidewalls, depositing a metal in said mould so as to form said micromechanical component, and liberating said micromechanical component from said mould and removing said particles.

Abstract: A vibration absorbed tire is provided which has a laminated structure that contains dilantant layer causing reaction rate differences in the cross-sectional direction and thus functions without impairing the motion characteristics of the tire even with only a single or a few very thin layers, whereby the tire is easy to manufacture and has reduced cost. The tire has the laminated structure, which includes the dilantant layer which is a layer where particles and a bonding material thereof are arranged to act as dilantant, and in which the particles are arranged so that the distribution density of the particles decreases toward the upper and the lower surface from the central part of the layer.

Abstract: An embodiment of a fan blade includes an interior region between a metallic pressure sidewall and a metallic suction sidewall. Each sidewall extends in span from a base to a tip, and extends in chord from a leading edge to a trailing edge. The interior region of the fan blade includes a first fully dense metallic portion and a first porous metallic portion. The first fully dense metallic portion has a volume occupying at least 10% of a total volume of the interior region, and substantially no porosity. The first porous metallic portion is integrally joined to the fully dense metallic portion, and is selected from a structured lattice, an unstructured foam, and combinations thereof.

Abstract: The present disclosure relates to polycrystalline diamond covalently bonded to a substrate by spark plasma sintering and methods of covalently bonding polycrystalline diamond and a substrate. Spark plasma sintering produces plasma from a reactant gas found in the pores in the polycrystalline diamond and, optionally, also the substrate. The plasma forms carbide structures in the pores, which covalently bond to the substrate.

Abstract: An arrangement (40) and process for coating a vehicle component (30) with a solid lubricant including a thermal spray device (10) having a spray direction along a spray line (S) corresponding to a central axis of a spray plume (16); a solid lubricant injection device (20) having an injection direction along an injection line (L) corresponding to a central axis of an injection plume (24); and a vehicle component (30) to be coated, having a surface (31) arranged at a distance (d) from an outlet orifice (13) of the thermal spray device (10) along the spray line (S). The solid lubricant injection device (20) is positioned such that the injection line (L) intersects the spray line (S) at an intersection point (P), which is intermediate the outlet orifice (13) of the thermal spray device (10) and the surface (31) of the component (30) to be coated. Also a process for thermal spray coating a vehicle component (30) with a solid lubricant coating and a vehicle, with such a coated component.

Abstract: A blade for a turbomachine comprising an outer shell and an inner core which is at least partially enclosed by the outer shell and has a higher porosity than the outer shell. The outer shell is formed by a ceramic body or a body made of a ceramic matrix composite material, and the inner core is formed by a fiber-reinforced ceramic or a fiber-reinforced ceramic matrix composite material.

Abstract: A pumping mechanism is disclosed. The pumping mechanism may include a barrel formed of a barrel substrate and including a first end surface, a second end surface opposite the first end surface, and a bore between the first and second end surfaces. Each of the first and second end surfaces and the bore is coated with a metal plating. The pumping mechanism may further include a plunger formed of a plunger substrate and configured to be slidably disposed in the bore in barrel, the plunger substrate having a tribological coating.

Abstract: A plate with a passage and the like capable of shortening a process time than a previous one and of suppressing leakage from or contamination to the passage are provided. The plate with the passage is a plate in which the passage for causing a fluid to circulate therein is formed, and includes a body plate formed of a metal or an alloy and in which a groove serving as the passage is provided, a cover plate that covers the groove, and a deposition layer that is formed such that metal or alloy powder is accelerated with a gas and is sprayed on the body plate and the cover plate in a solid phase, and covers the cover plate.

Abstract: A dental implant has a coronal body formed of solid metal that connects at an interface to a bone fixation body. The bone fixation body is made separately from the coronal body and has a porous structure with a cylindrical shape. The bone fixation body connects to the coronal body after the bone fixation body is separately made from the coronal body.

Abstract: A part made of a ceramic material, including a portion forming a base and a portion forming a wall, wherein the base consists of a low-porosity ceramic material and the wall is obtained by powder sintering and includes an envelope and a core, the core being within the envelope, the porosity of the core being higher than that of the base and increasing the further it is from the base.

Abstract: A cutting element includes a substrate and a cutting layer disposed on a surface of the substrate. The cutting layer includes an ultra hard material. The substrate includes tungsten carbide and a metal binder. The substrate has a magnetic saturation value in the range of from 80 to less than 85%. In another aspect, the magnetic saturation value may increase within the substrate along a gradient, wherein proximal to the interface with the cutting layer, the substrate has a magnetic saturation value in the range of from 80 to less than 85%. Drill bits incorporating such cutting elements and methods of manufacturing such cutting elements are described.

Abstract: An abrasive segment can include an inner segment portion, an outer segment portion, and a central segment portion connected thereto. The inner segment portion can include an inner circumferential wall and an outer circumferential wall. Leading and trailing radial sidewalls can extend between the inner circumferential wall and the outer circumferential wall opposite each other. The outer segment portion can include an inner circumferential wall and an outer circumferential wall. Leading and trailing radial sidewalls can extend between the inner circumferential wall and the outer circumferential wall opposite each other. The central segment portion can include a leading radial sidewall and a trailing radial sidewall. The leading radial sidewall of the central segment portion can establish an acute angle, ?, with respect to the outer circumferential wall of the inner segment portion and an obtuse angle, ?, with respect the inner circumferential wall of the outer segment portion.

Abstract: A stage heater and a method of manufacturing a shaft capable of suppressing heat transfer from a heating substrate toward the shaft. The stage heater includes: a heating substrate made of aluminum or an alloy containing aluminum; and a shaft that is bonded to one surface of the heating substrate and supports the heating substrate. The shaft includes: a pipe made of a metal having a lower heat conductivity than a material of the heating substrate; and a bonding layer formed on a side of the pipe to be bonded to the heating substrate by accelerating a powder material of aluminum or a powder material of an alloy containing aluminum together with a gas and blowing the powder material while being maintained in a solid phase to the pipe so as to deposit thereon.

Abstract: A ceramic, metal, or cermet according to one embodiment includes a first layer having a gradient in composition, microstructure and/or density in an x-y plane oriented parallel to a plane of deposition of the first layer. A ceramic according to another embodiment includes a plurality of layers comprising particles of a non-cubic material, wherein each layer is characterized by the particles of the non-cubic material being aligned in a common direction. Additional products and methods are also disclosed.

Abstract: A component includes a component body which has a toothed section. An adaptive coating is applied, at least in parts, to the toothed section, the coating having a thickness of a maximum 5 ?m. The adaptive coating may have a hardness gradient that has an increasing hardness from an outer coating surface in the direction towards the component body.

Abstract: Embodiments relate to polycrystalline diamond compacts (“PDCs”) including a polycrystalline diamond (“PCD”) table having a diamond grain size distribution selected for improving leachability. In an embodiment, a PDC includes a PCD table bonded to a substrate. The PCD table includes diamond grains exhibiting diamond-to-diamond bonding therebetween. The diamond grains includes a first amount being about 30 to about 65 volume % of the diamond grains and a second amount being about 18 to about 65 volume % of the diamond grains. The first amount exhibits a first average grain size of about 8 ?m to about 22 ?m. The second amount exhibits a second average grain size that is greater than the first average grain size and is about 15 ?m to about 50 ?m. Other embodiments are directed methods of forming PDCs, and various applications for such PDCs in rotary drill bits, bearing apparatuses, and wire-drawing dies.

Abstract: In one embodiment, a method for electrophoretic deposition of a three-dimensionally patterned green body includes suspending a first material in a gelling agent above a patterned electrode of an electrophoretic deposition (EPD) chamber, and gelling the suspension while applying a first electric field to the suspension to cause desired patterning of the first material in a resulting gelation. In another embodiment, a ceramic, metal, or cermet includes a plurality of layers, wherein each layer includes a gradient in composition, microstructure, and/or density in an x-y plane oriented parallel to a plane of deposition of the plurality of layers along a predetermined distance in a z-direction perpendicular to the plane of deposition.

Abstract: Device is a hermetically sealed electronics package bonded to an electrode or flexible circuit that is suitable for implantation such as for a retinal or cortical electrode array. The hermetically sealed electronics package is bonded to the electrode or flexible circuit by electroplating a biocompatible material, such as platinum or gold, forming a plated connection, bonding the flexible circuit to the electronics package. The resulting electronic device is biocompatible and is suitable for long-term implantation. The device comprises a substrate containing a contact, a flexible assembly containing a pad, and electroplated bonding between said contact and said pad that bonds said substrate and said flexible assembly together.

Abstract: A method of forming a ceramic layer on a metal substrate. A substrate (40) is formed (54) from a powder (24) of the metal, and may optionally be partially sintered (56). A layer (43) of powdered ceramic is formed (58) on or applied against the substrate (45). The ceramic powder may include a proportion of nano-sized particles effective to reduce the ceramic sintering temperature and to increase the sintering shrinkage of the ceramic layer to more closely match that of the metal substrate. The substrate and layer are then co-sintered (21, 60) at a temperature and for a duration that densifies and bonds them, producing a metal/ceramic layered material system with low interface stress that is durable to temperature variations in a gas turbine. Spark plasma sintering (32, 34, 36) may be used to sinter and/or co-sinter substrate and layer materials that normally cannot be sintered.

Abstract: A light weight pre-stressed antiballistic article including a monolith ceramic plate/tile bonded to a thin lightweight thermal expansion material with an adhesive, characterized, in that the thermal expansion material has a thermal expansion coefficient at least 50% higher than the ceramic plate/tile, and the thermal expansion material is bonded to either the front face, back face or both faces of the ceramic plate/tile at a bonding temperature of between 50° C. and 250° C. with adhesive and subsequently cooled, whereby upon cooling, the bonded thermal expansion material contracts to a greater extent than the ceramic plate/tile, exerting compression stress on the ceramic plate/tile.

Abstract: A functionally graded thermal barrier coating (30) formed as a plurality of layers (34, 36 . . . 44, 46) of materials deposited by a powder deposition process wherein the composition of the various layers changes across a thickness of the coating. A composition gradient may exist within a single layer (58) due to the buoyancy of ceramic particles (62) within a melt pool (56) of bond coat material (64). The powder deposition process includes powdered flux material (20) which melts to form a protective layer of slag (28) during the deposition process.

Abstract: The tool has a clamping part (2) and a working part (11). It consists of a wear-resistant material, which contains tungsten carbide which has a grain size that lies in the range between approximately 0.2 and approximately 0.5 ?m. The clamping part (2) consists of a tough material, which likewise contains tungsten carbide which has a grain size in the range between approximately 0.8 and approximately 1.3 ?m. In a transitional region (11) between the working part (11) and the clamping part (2), the proportion of wear-resistant tungsten carbide decreases in the direction of the clamping part (2) to 0 and the proportion of tough tungsten carbide decreases in the direction of the working part (11) to 0. The mixing ratio between wear-resistant and tough tungsten carbide changes approximately steadily in the transitional region (10).

Abstract: A coated cutting tool includes a substrate and a PVD coating having an outermost zone C being a nitride, carbide, boride, or mixtures thereof, of Si and at least two additional elements selected from Al, Y, and groups 4, 5 or 6 of the periodic table and zone C is free from a compositional gradient of an average content of Si. Zone C has a laminar, aperiodic, multilayered structure with alternating individual layers X and Y having different compositions from each other. The coating further includes a zone A closest to the substrate, a transitional zone B, where zone A is essentially free from Si, zone B includes a compositional gradient of the average content of Si, and where the average content of Si is increasing towards zone C.

Abstract: A composite steel plate includes at least two steel sheets rolled to form a plate. One of the sheets has a composition that varies in a depthwise direction, between nanocrystalline and micron grained. The plate is made by treating a steel sheet to produce a composition in the sheet that varies in a depthwise direction of the sheet between nanocrystalline and micron grained, stacking the treated sheet with at least one other steel sheet, and rolling the stacked sheets to form the plate.

Abstract: The invention relates to a slide bearing composite material having at least one carrier layer and a sintered bearing metal layer. The sintered bearing metal layer is designed in at least one layer region as a gradient layer.

Abstract: A method of forming and assembling at least two parts together that may be metal, ceramic, or a combination of metal and ceramic parts. Such parts may have different CTE. Individual parts that are formed and sintered from particles leave a network of interconnecting porosity in each sintered part. The separate parts are assembled together and then a fill material is infiltrated into the assembled parts using a method such as capillary action, gravity, and/or pressure. The assembly is then cured to yield a bonded and fully or near-fully dense part that has the desired physical and mechanical properties for the part's intended purpose. Structural strength may be added to the parts by the inclusion of fibrous materials.

Abstract: A steel manufacturing process can include forming an iron oxide layer on a hot band during hot rolling; reducing the iron oxide layer on the hot band to form a sponge iron layer that includes pores; the sponge-iron layer having a thickness in a range of about 0.05 ?m to about 1000 ?m, about 0.1 ?m to about 100 ?m, or about 5 ?m to about 25 ?m; and depositing an alloying element into the pores of the sponge iron layer to form an impregnated sponge-iron layer. The process can further include annealing the impregnated sponge-iron layer to produce an iron alloy layer carried by the substrate.

Abstract: A composite bearing member 10 includes: a bearing sliding material 20 whose surface contacts a rotating portion; a bearing base material 30 made of a material different from a material constituting the bearing sliding material 20; and a joining layer 40 joining the bearing sliding material 20 and the bearing base material 30. Further, the bearing sliding material 20 has a sliding layer 50 sliding the rotating portion on a surface. Furthermore, the bearing sliding material 20 has, between the sliding layer 50 and the joining layer 40, a composition graded layer 60 which dispersedly contains the same metal material as a metal material constituting the joining layer 40 and in which a content of the metal material is increased toward the joining layer 40.

Abstract: A process and device in production of precise three-dimensional sinters of a shape substantially close to that of an original part, using flash sintering produced by spark plasma sintering (SPS) technology. A mold is produced in a die of an enclosure for SPS flash sintering, the mold being shaped as an impression of the original part. The following are deposited in successive layers in the mold: a layer based on a superalloy powder, a metallic protection layer, and a thermal barrier layer. In a sintering, pressurization is initiated and a pulsed current passes through, producing a rapid rise in temperature in accordance with a flash sintering cycle whose temperature, pressure, and duration are regulated, with at least one temperature plateau and one pressure plateau. The layer of superalloy forms, by diffusion, during the sintering, a bonding continuum of material with the part to be repaired.

Abstract: A multilayer coating includes a bond coat layer, a first barrier layer applied on the bond coat layer, and a second barrier layer applied on the first barrier layer. The first barrier layer has a compositional gradient comprising a majority of a first rare earth stabilized zirconia material proximate the bond coat layer to a majority of a second rare earth stabilized zirconia material away from the bond coat layer. The first and second rare earth stabilized zirconia materials are different. The second barrier layer has a compositional gradient comprising a majority of the second rare earth stabilized zirconia material to 100 wt % of a third rare earth stabilized zirconia material away from the first barrier layer.

Abstract: The invention describes a method of producing a sinter-hardened component from a metallic powder containing chromium which is pre-alloyed in particular, comprising the steps of compacting the powder to form a green compact and then sintering the green compact in a reducing sintering atmosphere at a sintering temperature in excess of 1100° C. A gas containing carbon is added to the sintering atmosphere.

Abstract: Porous implant material having a plurality of metal bodies having different porosity rates which are bonded with each other at bonded-boundary surface F parallel to a first direction, wherein: a bonded body of the metal bodies has an entire porosity rate of 50% to 92%; the metal body having higher porosity rate is a porous metal body having a three-dimensional network formed from a continuous skeleton in which a plurality of pores are interconnected; the metal body having lower porosity rate has a porosity rate of 0 to 50% and an area-occupation rate of 0.5% to 50% in a cross-section surface orthogonal to an axial direction which agrees with the first direction along the bonded-boundary surface; and a compressive strength compressing in a direction parallel to the bonded-boundary surface is 1.4 times to 10 times of a compressive strength compressing in a direction orthogonal to the bonded-boundary surface.

Abstract: An anvil including a hard phase and a metal matrix in which the hard phase is dispersed, a concentration of the metal matrix phase varying according to a concentration gradient, is disclosed. The anvil may be used in a high pressure press. Methods of making an anvil including forming a hard phase dispersed in a metal matrix phase, a concentration of the metal matrix phase varying according to a concentration gradient, are also disclosed.

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 structural component suitable for use as refinery and/or petrochemical process equipment and piping is provided. The structural component has improved corrosion, abrasion, environmental degradation resistance, and fire resistant properties with a substrate coated with a surface-treated amorphous metal layer. The surface of the structural component is surface treated with an energy source to cause a diffusion of at least a portion of the amorphous metal layer and at least a portion of the substrate, forming a diffusion layer disposed on a substrate. The diffusion layer has a negative hardness profile with the hardness increasing from the diffusion surface in contact with the substrate to the surface away from the substrate.

Abstract: A composite article comprises a substrate having at least a substrate surface and a graded-composition coating disposed on a substrate surface. The composition of the coating material varies substantially continuously across its thickness. The coating reduces the transmission rates of oxygen, water vapor, and other chemical species through the substrate such that the composite article can be used effectively as a diffusion barrier to protect chemically sensitive devices or materials. An organic light-emitting device incorporates such a composite article to provide an extended life thereto.

Abstract: In one embodiment, a method for electrophoretic deposition of a three-dimensionally patterned green body includes suspending a first material in a gelling agent above a patterned electrode of an electrophoretic deposition (EPD) chamber, and gelling the suspension while applying a first electric field to the suspension to cause desired patterning of the first material in a resulting gelation. In another embodiment, a ceramic, metal, or cermet includes a plurality of layers, wherein each layer includes a gradient in composition, microstructure, and/or density in an x-y plane oriented parallel to a plane of deposition of the plurality of layers along a predetermined distance in a z-direction perpendicular to the plane of deposition.

Abstract: A multilayer substrate includes a base layer, a coating layer and an intermediate layer positioned between the base layer and the coating layer. The intermediate layer contains chromium and nitrogen. A content of the chromium in the intermediate layer gradually decreases from the base layer to the coating layer.

Abstract: A method of treating a porous work piece includes infiltrating a liquid metallic alloy into surface porosity of a work piece and isothermally solidifying the liquid metallic alloy to at least partially fill the surface porosity.

Abstract: Red rust staining of Al/Zn coated steel strip in “acid rain” or “polluted” environments can be minimised by forming the coating as an Al—Zn—Si—Mg alloy coating with an OT:SDAS ratio greater than a value of 0.5:1, where OT is the overlay thickness on a surface of the strip and SDAS is the measure of the secondary dendrite arm spacing for the Al-rich alpha phase dendrites in the coating. Red rust staining in “acid rain” or “polluted” environments and corrosion at cut edges in marine environments can be minimised in Al—Zn—Si—Mg alloy coatings on steel strip by selection of the composition (principally Mg and Si) and solidification control (principally by cooling rate) and forming Mg2 Si phase particles of a particular morphology in interdendritic channels.

Abstract: Semi-finished products for the production of devices containing thermoelastic materials with improved reliability and reproducibility are described. The semi-finished products are based on an alloy of Ni—Ti plus elements X and/or Y. The nickel amount is comprised between 40 and 52 atom %, X is comprised between 0.1 and 1 atom %, Y is comprised between 1 and 10 atom % and the balance is titanium. The one or more additional elements X are chosen from Al, Ta, Hf, Si, Ca, Ce, La, Re, Nb, V, W, Y, Zr, Mo, and B. The one or more additional elements Y are chosen from Al, Ag, Au, Co, Cr, Fe, Mn, Mo, Nb, Pd, Pt, Ta and W.

Abstract: A composite substrate for superconductors and methods for making the same are described. The composite substrate of the present invention includes at least a core layer having and a sheath layer having a cube texture on at least a portion its surface. In certain embodiments, the core layer can include a nickel-tungsten-molybdenum alloy having about 2-10 atomic percent tungsten and 2-15 atomic percent molybdenum. In some embodiments, the sheath layer can include nickel or a nickel-tungsten alloy having about 0 to 6 atomic percent tungsten. Generally, the core layer is stronger than the sheath layer and an interdiffusion zone can exist between the core layer and the sheath layer.

Abstract: The present invention provides a wiring material for forming wiring on a substrate by causing coalescence of conductive particles through heating, and including a binder layer and a wiring layer. The binder layer contains metal particles and having a binder function to be adhered to the substrate; and the wiring layer contains metal particles and laminated on the binder layer. The metal particles of the binder layer and the metal particles of the wiring layer are in contact with each other. With this arrangement, it is possible to provide a wiring material allowing use of a larger variety of materials, while also ensuring low resistance of wiring and improvement of adhesion between the wiring and the substrate.

Abstract: The invention provides an aqueous solution-based method for producing nanosized silver platelets, which employs the controlled mixing of a silver ion solution, a reducing solution, and an acidic solution in the presence of palladium ions.