Abstract: The invention relates to a catalyst filling, comprising a first layer of a planar catalyst material and a second layer of a planar catalyst material lying over said first layer, wherein the catalyst material of the first layer comprises at least two plates, which butt against each other to form an abutment edge in each case, wherein the catalyst material of the second layer comprises at least two plates, which butt against each other to form an abutment edge in each case, and wherein the plates of the second layer are designed and/or arranged relative to the plates of the first layer in such a way that the abutment edge or abutment edges of the second layer are not aligned with the abutment edge or abutment edges of the first layer.

Abstract: A vehicle body assembly is described herein, including a first structural component and a second structural component. The first structural component may be a roof component or a side panel, and include a first part including a first metal and a second part including a second metal different than the first metal. The second part is formed on a peripheral edge portion of the first part and defines a mounting flange for the first structural component. The second part is joined to the first part via an ultrasonic additive manufacturing (UAM) interface. The second structural component is including the second metal and is joined to the second part at the mounting flange via a resistance spot weld (RSW) joint.

Abstract: A method of resistance spot welding a workpiece stack-up. The workpiece stack-up includes at least a steel workpiece and an aluminum workpiece. The method involves attaching a steel plate to the steel workpiece at a weld-site of the workpiece stack-up, passing electrical current between a first welding electrode and a second welding electrode at the weld-site, and terminating passage of electrical current between the first and second welding electrodes in order to form a weld joint. The steel plate serves to stiffen the weld joint.

Abstract: A method of forming a power-module assembly includes arranging power stages in a cavity of a container such that the power stages are spaced apart from walls of the container. The method further includes inserting a core between each of the power stages, and installing a manifold on top of the power stages. The method also includes putting resin into the cavity to form a housing of the power-module assembly, and removing the core to reveal coolant chambers between each of the power stages.

Abstract: Systems and method for fabricating a metal core truss panel with seamlessly embedded features in accordance with embodiments of the invention are illustrated. One embodiment includes a method for producing a metal core truss panel composite, the method including fabricating a sacrificial core truss panel including a plurality of interconnected truss members and at least one embedded feature, and plating the sacrificial core truss panel with a layer of metal forming a metal core truss panel including a plurality of interconnected metal truss members and at least one seamlessly embedded metal feature.

Abstract: Objects to be welded are joined together by laser welding to form adjacent nuggets. When a distance between central axes of the adjacent nuggets is p and a diameter of the adjacent nuggets in the objects to be welded is d, the adjacent nuggets are formed so as to satisfy an equation 1.0<p/d?1.6.

Abstract: A method for manufacturing a vehicle body member from a joined sheet. The joined sheet is press formed into a vehicle body member with a predetermined shape by: welding a second sheet material to a first sheet material at a plurality of points including a first joint and a second joint separated from each other; press forming the joined sheet so that a ridge crossing an imaginary line segment connecting the first joint and the second joint is formed in a portion where the first sheet material overlaps the second sheet material; and before the joining step, forming a displacement facilitating portion, which facilitates displacement of the second sheet material relative to the first sheet material in a longitudinal direction of the imaginary line segment, in a portion corresponding to between the first joint and the second joint in the second sheet material.

Abstract: Closure strip devices, systems, kits, assemblies and methods are shown and described. A closure strip for a building having a metal roof may include a body, a top surface on one side of the body, a raised shelf formed in the body on the top surface, and a bottom surface having a hollow portion. A second closure strip may be accepted and recessed into the hollow portion of the first closure strip. The raised shelf may include breaks along a length of the body between separated raised portions. There may be depressions in each of the separated raised portions.

Abstract: A lightweight sandwich panel structure with a complex shape and curvature, and a method to fabricate such a panel out of high temperature alloys. Embodiments of a micro-truss core structure that offer high specific strength and stiffness while allowing for curvature, and methods for depositing multiple layers of metals that can be interdiffused into complex alloys, are provided. A core of a panel may be fabricated from a polymer template, which may be shaped, e.g., curved, and coated with metal layers, which may then be heat treated to cause the layers of metal to interdiffuse, to form an alloy.

Abstract: A resistance spot welding method may involve spot welding a workpiece stack-up that includes a steel workpiece and an aluminum alloy workpiece that overlap one another to provide a faying interface. A pair of opposed welding electrodes are pressed against opposite sides of the workpiece stack-up with one welding electrode contacting the aluminum alloy workpiece and the other welding electrode contacting the steel workpiece. The welding electrodes are constructed so that, when an electrical current is passed between the electrodes and through the workpiece stack-up, the electrical current has a greater current density in the steel workpiece than in the aluminum alloy workpiece to thereby concentrate heat within a smaller zone in the steel workpiece. Concentrating heat within a smaller zone in the steel workpiece is believed to modify the solidification behavior of the resultant molten aluminum alloy weld pool in a desirable way.

Abstract: A display device is disclosed including a plurality of pixels arranged above a substrate, and a sealing film arranged above the substrate so as to cover the plurality of pixels, wherein the sealing film includes a stacked first inorganic film, second inorganic film and third inorganic film, a first organic film arranged between the first inorganic film and the second organic film, and a second organic film arranged between the second inorganic film and the third inorganic film, and wherein the first organic film is divided into a plurality of regions by a first partition wall, and the second organic film is divided into a plurality of regions by a second partition wall.

Abstract: A process for fabricating a curved beam including a micro-truss structure. In one embodiment, the process includes fabricating the micro-truss structure on a bottom facesheet, where the micro-truss structure is only partially cured so that it is readily bendable, and then forming the partially cured micro-truss structure and bottom facesheet over a curved fixture, where the partially cured micro-truss structure is then fully cured and hardened to its final curved state. A top facesheet is then adhered to a top surface of the micro-truss structure. In an alternate embodiment, a curved bottom facesheet is forced flat against a fixture and the micro-truss structure is formed while the bottom facesheet is secured to the fixture to a partially cured state. The bottom facesheet is then released from the fixture, which causes it to return to its curved configuration causing the micro-truss structure to bend.

Abstract: A laser welding method includes: projecting a laser beam onto irradiation regions on plural metallic workpieces such that a weld section is formed when the workpieces are joined by laser welding, the weld section being formed of plural nuggets, and each of the irradiation regions being formed with each of the nuggets. The nuggets are sequentially formed by sequentially projecting the laser beam onto the irradiation regions that respectively correspond to the nuggets. The laser beam is projected onto each of the irradiation regions such that an amount of input heat from the laser beam that is projected onto each of the irradiation regions to the workpiece is reduced as the nuggets are sequentially formed.

Abstract: A barrier film configured to reduce degradation of an organic EL element includes a first inorganic film, a second inorganic film, and a third inorganic film which are provided in order from a base substrate, a first organic film between the first inorganic film and the second inorganic film, and a second organic film between the second inorganic film and the third inorganic film. The first organic film has a plurality of first through holes formed therein so that the first inorganic film is in contact with the second inorganic film through the first through holes. The second organic film has a plurality of second through holes formed therein so that the second inorganic film is in contact with the third inorganic film through the second through holes.

Abstract: In various embodiments, joined sputtering targets are formed at least in part by spray deposition of the sputtering material and/or welding.

Abstract: The present invention relates to a chemical mechanical polishing conditioner and manufacturing methods thereof. The chemical mechanical polishing conditioner comprises: a planar substrate having a leveling surface; a bonding layer disposed on the surface of the planar substrate; and a plurality of abrasive particles embedded in the surface of the bonding layer and fixed to the surface of the planar substrate by the binding layer; wherein the planar substrate is formed by a deformation compensation for the non-planar substrate during curing the binding layer, and thus the tips of the abrasive particles have a leveled height. Therefore, the present invention can effectively improve the problem of thermal deformation of the substrate of the chemical mechanical polishing conditioner during heating and curing process, and thereby enhancing the surface flatness of chemical mechanical polishing conditioner.

Abstract: A method of manufacturing a mask assembly for thin film deposition includes: positioning a division mask on a mask frame, wherein the division mask has a length in a first direction that is greater than a width in a second direction perpendicular to the first direction; and spot welding opposing ends of the division mask along the first direction to the mask frame, wherein the spot welding comprises: forming first welding points in a first zigzag pattern starting from a peripheral portion along the second direction of the division mask toward a central portion along the second direction of the division mask; and forming second welding points between the first welding points.

Abstract: A conductive member includes a metal part and an elastomer part. The conductive member is configured such that, when the conductive member is interposed between a first member and a second member, the elastomer part is elastically deformed so that a top end portion of at least one upper surface-side convex part in the metal part is pressed toward a side of the second member, and a top end portion of at least one under surface-side convex part in the metal part is pressed toward a side of the first member.

Abstract: A tank especially suitable for use as a fuel or oxidizer tank in spacecraft is divided into two tank spaces by a membrane. A liquid is stored on one side of the membrane and a pressure gas is stored on the other side of the membrane. The pressure gas is to drive the liquid out of the tank. The membrane is made of a polymer material and is held by a spring ring in a recess on the outer wall of the tank. The spring ring has a substantially C-shaped cross-section to exert elastic spring holding forces on the membrane in the recess.

Abstract: A method for fixing on a metal workpiece a connecting element permits the friction-increasing, play-free, reversible connection of workpieces to be joined. The connecting element includes a metal foil which bears on its joining surfaces hard material particles, which are fixed on the metal foil by means of a metallic binder phase. The connecting element is fixed on the metal workpiece securely for purposes of assembly and transportation by welding involving the formation of locally confined weld points. Alternatively a component includes a metal workpiece and a connecting element fixed on it securely for purposes of assembly and transportation by locally confined weld points. The connecting element permits the friction-increasing, play-free, reversible connection of workpieces to be joined and includes a metal foil which bears on its joining surfaces hard material particles, which are fixed on the metal foil by means of a metallic binder phase.

Abstract: The invention relates to a shaped part (1) composed of metal, in particular steel, for a motor vehicle, comprising a hole (2) for a fastener and a perforated reinforcement plate (3) composed of metal, in particular steel, that covers the hole (2) and is fastened to the shaped part (1), wherein the reinforcement plate (3) is mounted at a spacing (4) from the shaped part (1) and is attached to the shaped part (1) only in at least one limited portion.

Abstract: In at least one embodiment, an assembly is provided comprising a first member including a 6xxx series aluminum alloy heat treated to have a yield strength of at least 200 MPa and an r/t (bendability) ratio of up to 0.4. One or more members may be secured to the first member with a rivet (e.g., a self-piercing rivet). The heat treated alloy may have a yield strength of at least 260 MPa and may have a bendability ratio of up to 0.3. A method of forming an assembly is also provided, including heat treating a 6xxx series aluminum alloy to produce an alloy having a yield strength of at least 200 MPa and an r/t (bendability) ratio of up to 0.4 and riveting a member including the heat treated alloy to one or more additional members.

Abstract: An apparatus for maintaining an environmental state of a working surface includes: a first micro-truss layer including: a plurality of first struts extending along a first direction; a plurality of second struts extending along a second direction; and a plurality of third struts extending along a third direction, the first, second, and third struts interpenetrating one another at a plurality of nodes, the first, second, and third struts interpenetrating one another at non-perpendicular angles, the apparatus having a contact surface configured to contact the working surface and having an open porosity configured to allow air to flow to the contact surface, wherein a total surface area of the contact surface is between about 1% and about 50% of a total surface area of the working surface.

Abstract: A method of bonding a first panel made of a first material to a second panel made of a second material is provided. The method includes creating a second panel hole in the second panel at a weld location. An insert composed of the first material is inserted into the second panel hole in the second panel. At least a portion of the insert is fittable in the second panel hole and sized to correspond to the second panel hole. The first panel and the insert are welded together at the weld location, thereby bonding the first and second panels. In one embodiment, the first and second panels are placed between the first and second electrodes of a welding gun. A force is applied to clamp the insert and the first panel between the first and second electrodes and a welding current is delivered. A bonded structure is provided.

Abstract: A projection welding structure including plural projection portions that are provided to an end face at an open side end portion of a reinforcement member flange portion and are disposed at intervals along the length direction of the reinforcement member. The plural projection portions are each abutted and welded to welding projections formed in a surface of a panel frame. Contact between the welding member and the welded member is suppressed at locations other than at the welding projections by such a structure.

Abstract: A method of bonding a first panel made of a first material to a second panel made of a second material is provided. The method includes creating a second panel hole in the second panel at a weld location. An insert composed of the first material is inserted into the second panel hole in the second panel. At least a portion of the insert is fittable in the second panel hole and sized to correspond to the second panel hole. The first panel and the insert are welded together at the weld location, thereby bonding the first and second panels. In one embodiment, the first and second panels are placed between the first and second electrodes of a welding gun. A force is applied to clamp the insert and the first panel between the first and second electrodes and a welding current is delivered. A bonded structure is provided.

Abstract: One embodiment of the invention includes a method comprising: placing a first insert and a second insert in a casting mold and wherein the first insert and second insert comprising a plurality of connecting post extending inbetween so that the first insert and second insert are in spaced-apart relationship in the mold, each of the first insert and the second insert comprising a first material; casting a molten second material into the casting mold so that the second material flows between the first insert and the second insert and solidifying the second material to provide a product comprising a cast over body portion with the first insert and second insert and so that the second material is mechanically locked or metallurgically bonded to the first material and so that one or both of the first insert and the second insert provides working surface for the product.

Abstract: Provided is a spot welded joint (10) which includes at least one thin steel plate with a tensile strength of 750 MPa to 1850 MPa and a carbon equivalent Ceq of equal to or more than 0.22 mass % to 0.55 mass % and in which a nugget (3) is formed in an interface of the thin steel plates (1A, 1B). In a nugget outer layer zone, a microstructure consists of a dendrite structure in which an average value of arm intervals is equal to or less than 12 ?m, an average grain diameter of carbides contained in the microstructure is 5 nm to 100 nm, and a number density of carbides is equal to or more than 2×106/mm2.

Abstract: A method for producing a punch-riveted connection between a first component and a second component having a flat cross-section, and a composite component that includes the first component and the second component.

Abstract: A prefabricated wall module is disclosed. The wall module includes a series or plurality of lattices. The series of lattices includes (a) defining at least one slot accommodating a panel, and (b) defining a grid along an outer surface of the wall module wherein at least one end-standing lattice of the wall module is structurally different from one or more of the other lattices in the wall module.

Abstract: A welded portion (1) formed at a joint between a plurality of steel plates (10) is formed of a plurality of nuggets (11) arranged along a virtual closed curve (12), and when the thickness of the thinnest steel plate (10) of the steel plates (10) is denoted by t, the diameter d of each nugget (11) is 3 ?t or less, and the pitch p between adjacent nuggets is 2 d or more but no more than 5 d, and the number of nuggets is three or more.

Abstract: Selected surface regions of coulomb vibration damping strips are bonded face-to-face by ultrasonic welding to a surface region of an article that may experience excessive vibration in use. In one embodiment, prior to welding, the intended facing side of the damping strip is treated to form surface regions that are oxidized, roughened, or coating so that the treated regions do not weld to the article surface. In another embodiment of the invention the ultrasonic welding process is controlled so as to produce regions (sometimes randomly interposed regions) of welded and non-welded regions between the damping strip and adjacent article surface. The unbonded regions of the otherwise welded strip lie in closely-spaced, interfacial, frictional contact with the adjacent article surface to damp vibration in the article.

Abstract: A laminate includes two pieces of metallic material bonded together at a plurality of regularly spaced-apart bonded regions. The laminate is formable during processing into a variety of vehicle structural elements.

Abstract: Composites that include a metal injection molded component bonded to a support substrate and methods for forming the composites are described. Methods include forming a metal injection molded green part that includes microstructures on a surface of the green part. The metal injection molded component is located adjacent to a support substrate with the microstructure ends contacting the support substrate at a contact surface. During sintering the metal injection molded component is bonded to the support substrate at the ends of the microstructures. The presence of the microstructures can allow for relative motion between the metal injection molded component and the support substrate during sintering. The large bonding surface area provided by the multiple points of contact between the ends of the microstructures and the support substrate can provide excellent bonding force between the metal injection molded component and the support substrate.

Abstract: Systems and method for controlling the flow and dissipation of thermal energy away from a weld between two components are provided. in one example embodiment, a structure may comprise a protrusion; a first component thermally coupled to the protrusion; a second component having a lower heat dissipation rate than the first component; a weld formed using a welding process to couple the protrusion to the second component, wherein the welding process generates thermal energy; and wherein the first component in combination with the protrusion dissipates the thermal energy from the welding process at about an equivalent rate as the second component.

Abstract: Compositions and methods for making a three dimensional structure comprising: designing a three-dimensional structure; melting the three-dimensional structure from two or more layers of a metal powder with a high energy electron or laser beam is described herein. The position where the metal is melted into the structure is formed along a layer of metal powder, wherein the location and intensity of the beam that strikes the metal layer is based on the three-dimensional structure and is controlled and directed by a processor. The instant invention comprises a novel dry state sonication step for removing metal powder that is not melted from the three dimensional structure.

Abstract: A unitized assembly may comprise a fiber metal laminate and at least one additive layer. The fiber metal laminate may have non-metallic plies bonded to metallic plies and may include an innermost metallic ply. The at least one additive layer may be deposited onto the innermost metallic ply by friction stir welding.

Abstract: A hollow floor-jack web-plate type chassis side panel assembly includes a side panel, a reserved installation hole on the side panel, a side panel bent edge at a lower edge of the side panel, and a web plate having an installation hole corresponding to the web plate. The web plate has an edge including first and second web plate molded edges which are perpendicular to the web plate and arranged in the same direction; the first web plate molded edge is attached and welded onto a side panel bent edge facing away from the side panel; the second web plate molded edge is attached and welded at a position on the side panel other than the side panel bent edge; and the side panel and the web plate are parallel to each other, and a hollow web is formed between the side panel and the web plate.

Abstract: The present invention concerns a cruciform construction element for use inside a tank to connect panels, which element is forged or molded in one piece and comprises intersecting webs.

Abstract: A formed member is provided which can be manufactured at a low cost, which has excellent dimensional accuracy, which has excellent axial crushing properties and three-point bending properties, which has excellent bending stiffness and torsional stiffness, and which is suitable for use in a component of an automobile. The formed member (20) has a reinforcing member (35) which is joined by a weld (40) provided on a ridge portion (28). It is manufactured by joining a flat sheet blank and a flat sheet reinforcing member (35) by a weld (40) and performing bending so that the weld (40) becomes a ridge portion (28).

Abstract: In a process for friction stir welding together pieces of dissimilar material, a first piece of a second metal is overlaid onto a first piece of a first metal that is dissimilar from the second metal such that at least a portion of the first piece of second metal overlaps a portion of the first piece of first metal. The first piece of second metal has a plurality of holes therein and the holes are disposed in overlapping relationship with the portion of the first piece of first metal. Each of the holes is filled with a plug formed from the first metal. The first piece of first metal is friction stir welded to the first piece of second metal at each of the plug locations.

Abstract: A sandwich structure is provided that includes a core formed of profiled metal sheet material and a metal face sheet secured to at least one side of the core. Protrusions are provided in a pattern on at least one side of the core and apertures are provided in a pattern in each face sheet. Dimensions of the protrusions and apertures are such that the protrusions extend at least partially through the apertures of the associated face sheet and are secured thereto. A method for producing such a sandwich structure is also provided.

Abstract: By respectively abutting first and second outer diameter sections of a second metallic member against first and second inner diameter sections of a first metallic member, and energizing the first metallic member and the second metallic member using a pair of electrodes while pressurizing both metallic members in an axial direction thereof, a first junction where the first inner diameter section and the first outer diameter section are bonded and a second junction where the second inner diameter section and the second outer diameter section are bonded are formed between both metallic members, and a gap in which the metals do not come into contact with each other is formed between both junctions over a predetermined axial length. Accordingly, a high joint strength can be secured using less energy for bonding.

Abstract: A low density fabric substrate for a medical bandaging product. The substrate has a plurality of longitudinally-extending voids formed in the fabric for permitting water penetration through the fabric thickness from one of the major faces to the other major faces. A reactive system is impregnated into or coated onto the substrate and remains stable when maintained in substantially moisture-free conditions and hardens upon exposure to sufficient moisture to form a rigid, self supporting structure. A soft, flexible protective material covers at least one of the major faces of the substrate along its length to provide a cushioning barrier between the substrate and the skin of a patient when the material is in use.

Abstract: A coating steel component with a pattern of an iron based matrix with crystalline particles metallurgically bound to the surface of a steel substrate for use as disc cutters or other components with one or more abrading surfaces that can experience significant abrasive wear, high point loads, and large shear stresses during use. The coated component contains a pattern of features in the shape of freckles or stripes that are laser formed and fused to the steel substrate. The features can display an inner core that is harder than the steel substrate but generally softer than the matrix surrounding the core, providing toughness and wear resistance to the features. The features result from processing an amorphous alloy where the resulting matrix can be amorphous, partially devitrified or fully devitrified.

Abstract: A resistance welding method according to the invention includes: a melting start time specification process for specifying a melting start time, which is a time at which at least a part of a welding portion of a welding subject starts to melt while being subjected to Joule heating by a power input from an electrode pressed against the welding subject, by detecting a variation in an ultrasonic wave emitted toward the welding portion; a first power amount calculation process for calculating a first power amount, which is an integrated value of the power input into the welding subject via the electrode from the melting start time; a first determination process for determining whether or not the first power amount has reached a first set value; and a heating process for performing the Joule heating from the melting start time until the first power amount reaches the first set value.

Abstract: A method for fine positioning a component through the use of fusible elements having two or more melting points so as to establish intermediate displacements between totally melted fusible elements and unmelted fusible elements. Because of the use of non-eutectic fusible materials, fine adjustments in the displacement may be achieved.

Abstract: A method of bonding a first panel made of a first material to a second panel made of a second material is provided. The method includes creating a second panel hole in the second panel at a weld location. An insert composed of the first material is inserted into the second panel hole in the second panel. At least a portion of the insert is fittable in the second panel hole and sized to correspond to the second panel hole. The first panel and the insert are welded together at the weld location, thereby bonding the first and second panels. In one embodiment, the first and second panels are placed between the first and second electrodes of a welding gun. A force is applied to clamp the insert and the first panel between the first and second electrodes and a welding current is delivered. A bonded structure is provided.

Abstract: A parallel wire cable is produced from a plurality of wires arranged in a bundle for use as a structural cable. Each wire in the plurality of wires is parallel to every other wire in the bundle, and each wire in the plurality of wires is tensioned to a tension value.

Abstract: A resistance spot welding manufacture includes a first metal layer having a first thickness, a second metal layer having a faying surface defining an embossed region, wherein the second metal layer has a second thickness that is less than the first thickness so that a ratio of the first thickness to the second thickness is greater than about 2:1, a third metal layer sandwiched between the first metal layer and the embossed region, wherein the third metal layer has a third thickness that is greater than the second thickness, and a weld joint penetrating each of the first metal layer, the third metal layer, and the faying surface at the embossed region to thereby join each of the first metal layer and the second metal layer to the third metal layer. A method of forming a resistance spot welding manufacture is also disclosed.