840 results about "Metal fiber" patented technology

A process for continuous composite coextrusion comprising: (a) forming first a material-laden composition comprising a thermoplastic polymer and at least about 40 volume % of a ceramic or metallic particulate in a manner such that the composition has a substantially cylindrical geometry and thus can be used as a substantially cylindrical feed rod; (b) forming a hole down the symmetrical axis of the feed rod; (c) inserting the start of a continuous spool of ceramic fiber, metal fiber or carbon fiber through the hole in the feed rod; (d) extruding the feed rod and spool simultaneously to form a continuous filament consisting of a green matrix material completely surrounding a dense fiber reinforcement and said filament having an average diameter that is less than the average diameter of the feed rod; and (e) depositing the continuous filament into a desired architecture which preferably is determined from specific loading conditions of the desired object and CAD design of the object to provide a green fiber reinforced composite object.

The invention provides a heat-conduction heat-dissipation interface material and a manufacturing method thereof, wherein the heat-conduction heat-dissipation interface material is applied to the field of heat dissipation of electronic products. The heat-conduction heat-dissipation interface material comprises a heat-conduction heat-dissipation layer and a surface protective material layer, wherein the heat-conduction heat-dissipation layer consists of one or more of graphite, nano graphite, crystalline flake graphite, graphene, pyrolytic carbon, pyrolytic graphite, graphite powder, carbon nano tubes, carbon fibers, graphite fibers, resin, ceramic fibers, quartz fibers, metal fibers, zirconia, boron nitride, silicon nitride, boron carbide, silicon carbide, magnesia powder, metasillicio acid fibers, calcium silicate aluminum fibers, aluminium oxide fibres, copper power, aluminium power, silver power, tungsten power and molybdenum power; and the surface protective material layer is a polymeric membrane. The heat-conduction heat-dissipation interface material manufactured according to the materials and the method provided by the invention has the advantages of effectively improved heat-dissipation performance, small volume, light weight and small thickness, can be used for prolonging the service life of an electronic component, and simultaneously is easy to produce and process.

A secondary battery capable of improving the cycle characteristics is provided. The secondary battery includes a cathode, an anode, and an electrolytic solution. The electrolytic solution is impregnated in a separator provided between the cathode and the anode. The anode has an anode structure on an anode current collector. The anode structure has a structure in which a plurality of anode active material particles having silicon are held by a plurality of metal fibers forming a three-dimensional network structure. Due to the plurality of metal fibers, sufficient conductive paths are obtained among the plurality of anode active material particles. Thus, compared to a general anode in which an active material layer is provided on a current collector made of a metal foil or the like, the current collectivity is improved.

A high-temperature-resistant fiber layer for an open particulate trap for purifying exhaust gases from mobile internal combustion engines includes metal fibers. At least a section of the fiber layer has a catalytically active and/or adsorbent coating, in particular such as that of an oxidation catalyst and/or a three-way catalyst and/or an SCR catalyst. A longitudinal section, which is substantially perpendicular to a largest outer surface, has openings formed therein with an average size of 0.01 mm to 0.5 mm, in particular 0.05 mm to 0.25 mm. A particulate trap with the coated fiber layer is also provided.

A conductive fiber brush including a brush stock composed of plural conductive fibers or strands of fibers at least some of which may have plural bends along the leg of the fibers or strands. The fibers may have a diameter less than 0.2 mm and are arranged in contacting engagement with each other with the touching points among the fibers or strands maintaining elastic tension between the fibers or strands and thereby maintaining voids between the fibers or strands to produce a packing fraction between 1 and 50% and in extreme cases up to 70% but generally between 10-20% depending on the various factors, including the materials used, the current densities to be conducted, and the sliding speeds under operation. The plural bends are implemented by producing fibers or strands having a regular or irregular spiral, wavy, saw-tooth, triangular, and/or rectangular pattern, or other undulating pattern. Optionally, the voids in brush stock may be partially filled with a strengthening, lubricating, abrasive, and/or polishing material, and may be wrapped in an outer sheath, slid into a casing, or provided with an other covering of all or part of the area of the brush stock, be infiltrated or sprayed at the surface with some material, have an increased packing fraction at the surface and/or have some or all of the touching points between the fibers or strands soldered, welded or otherwise thermally joined. Optionally also, the friction among the fibers may be reduced through light lubrication applied by rinsing the brush or brush stock in a lubricant. In one embodiment, the fiber brush is employed in a brush loading device having a hydrostatically controlled brush holder wherein the force exerted on the brush is controlled by a metallic or other conductive hydrostatic fluid which at the same time conducts the current to the brush.

A sandwich material comprising two metal plates affixed to and separated by a fibrous core, is characterised in that the core comprises a three-dimensional porous network comprising metal fibres, wherein substantially all of the fibres are inclined at an acute angle to the plates. The sandwich material is lightweight, thin and handles like a monolithic sheet. It displays high beam stiffness and is easy to weld. It as therefore particularly useful in the manufacture of aircraft and vehicle parts.

A composite laminate or layer structure includes a substrate (2) and a cover layer (4) bonded thereon. The substrate is made up of at least one layer (3) of fiber-reinforced synthetic material. The cover layer includes at least one layer (5) of metal fibers and/or threads (6), and a metal sheet (7) forming the outer surface skin (8) of the layer structure. The metal sheet is bonded by soldering or sintering onto the metal fibers and/or threads (6), while the layer of metal fibers and/or threads in turn is bonded to the underlying fiber-reinforced synthetic material (3) by being mutually and integrally permeated by a synthetic resin matrix and bonding material. Also, the metal fibers and/or threads (6) may be intermeshed with the fibers of the synthetic material (3). To provide improved bonding at both opposite sides thereof, the layer (5) of metal fibers and/or threads (6) has a lower porosity on the side adjoining the metal sheet, and a higher porosity on the side adjoining the fiber-reinforced synthetic material (3) of the substrate.

The present invention belongs to the field of metal processing technology, and is especially one kind of metal fiber wire and its production process. The metal fiber wire is made with the material comprising C 0.03-0.08 wt%, Mn 0.20-0.46 wt%, Si 0.40-0.63 wt%, Ce or La 0.02-0.10 wt%, Al 4.8-5.9 wt%, Cr 15-26 wt%, Cu 0.05-2 wt%, S 0.03-0.04 wt%, P 0.04-0.05 wt% and Fe 66-81 wt%. The making process includes the steps of: feeding material, electroplating, tubing, straightening, drawing, annealing, maintaining temperature, winding, acid pickling, washing, stoving, etc. The metal fiber wire has single fiber diameter up to 6 micron, strength higher than 16 N/sq cm, elongation of 1.40 %, and high comprehensive performance.

An improved structure of a cable featuring an enhanced shield layer, with the arrangement comprised of a conductor, an insulation layer, a metal braid layer, an outer jacket, and an enhanced shield layer disposed between the insulation layer and the metal braid layer. The enhanced shield layer can be conductive plastic, conductive carbon black, conductive colorant, conductive coating, conductive metallic powder, or metal fiber, any of which eliminates electrostatic noise generated by a variety of causes in audio/video cables and thereby solves the problem of electrostatic discharge

A filter element comprises a pleated metal fiber fleece being pleated according to pleating lines providing an edge with pleat openings to be closed in order to make gas flowing through the metal fiber fleece. The filter element further comprises at least two flanks, each of these flanks comprising a stiff material layer. The stiff material layer and the metal fiber fleece are connected using a layer of ceramic adhesive, which prevents direct contact of the metal fiber fleece over the length of the edge of the metal fiber fleece with the flank. Meanwhile the flanks, being essentially perpendicular to the pleating lines, closing the pleat openings in order to prevent bypasses.

Super hydrophobic/ super oleophylic oil-water separation net has meshes 300-1500 covered thin perfluoroalkyl siloxane copolymer membrane with thickness 20~50nm, which can be metal fiber fabric of stainless steel or cupper, or fabric or terylene and nylon. Its preparation method is: 1. degrease, clean with acid and bath to the fabric net and dry; 2. for the weight share, mix the liquid with perfluoroalkyl siloxane 0.1-5%, water 1-10%, hydrochloric acid or 1N 0.1-2% and other is alcohol for 30-120 minutes, form gel-sol; 3. dip the net into gel-sol for 3-30 seconds, take out, dry naturally, repeat for 2-8 times; 4. take hot curing for the fabric net at 80-250Deg for 10-120 minutes, obtain the membrane and oil-water separation net.

A resin-coated, micron conductive fiber wiring material, a method of fabricating, and applications are achieved. The micron conductive fibers may be metal fiber or metal plated fiber. Further, the metal plated fiber may be formed by plating metal onto a metal fiber or by plating metal onto a non-metal fiber. Any platable fiber may be used as the core for a non-metal fiber. Superconductor metals may also be used as micron conductive fibers and/or as metal plating onto fibers in the present invention.

A metal fiber-reinforced composite material can be produced by providing metal layers and reinforcing layers disposed alternately into a sandwich structure, the reinforcing layers containing fibers of a high-strength metallic material, which are disposed in the form of a loose structure between the metal layers, in order to create a material excess of fibers in the reinforcing layers, the sandwich structure being bonded by a thermomechanical process in such a manner, that the fibers are lengthened because of the excess of material, the sandwich structure being bonded.

A filter element comprising a pleated metal fiber fleece is pleated according to pleating lines, providing an edge with pleat openings to be closed to make gas flowing through the metal fiber fleece. The filter element comprising at least two flanks, each of these flanks comprises a thermally and electrically insulating fabric and a stiff material layer. The thermally and electrically insulating fabric is present at one side of the stiff material layer, providing a thermally and electrically insulated side to the flank. The metal fiber fleece is mounted between the thermally and electrically insulated sides of both flanks, which exercise a clamping force on the edges of the metal fiber fleece in a direction essentially parallel to the pleating lines, while the flanks closing said pleat openings.

Automotive housings are formed of a conductive loaded resin-based material. The conductive loaded resin-based material comprises micron conductive powder(s), conductive fiber(s), or a combination of conductive powder and conductive fibers in a base resin host. The percentage by weight of the conductive powder(s), conductive fiber(s), or a combination thereof is between about 20% and 50% of the weight of the conductive loaded resin-based material. The micron conductive powders are metals or conductive non-metals or metal plated non-metals. The micron conductive fibers may be metal fiber or metal plated fiber. Further, the metal plated fiber may be formed by plating metal onto a metal fiber or by plating metal onto a non-metal fiber. Any platable fiber may be used as the core for a non-metal fiber. Superconductor metals may also be used as micron conductive fibers and/or as metal plating onto fibers in the present invention.

A heat conduction unit having an improved laminar is provided. The heat conduction unit of the present invention includes a pair of exhaust and intake layers crossing each other for exchanging heat between exhaust and intake airflows; and a laminar interposed between the exhaust and intake layers and having a having a fiber synthetic fabric layer with a high water absorbancy and heat conductivity. The fiber synthetic fabric layer is made by densely weaving a microfiber in the form of a fabric, the fabric being weaved by adding micro metal fiber, by adding microfiber plated with metal, or by adding at least ones of micro copper molecules, aluminum molecules, carbon black molecules, carbon nano tube molecules, titanium dioxide (TiO2) molecules, and nano-silver molecules, to a raw material resin of the microfiber.

The invention discloses a high toughness cement-based material-nonmetal fiber rib composite structure. According to the structure, a high toughness cement-based material is adopted as a base material, nonmetal fiber rib is adopted as directional reinforcing rib; the high toughness cement-based material comprises the following components in percentage by weight: 35% of cement, 45-55% of fly ash, 5-10 % of silicon ash and 5-10% of metakaolin; high-strength short fiber is one or more out of polyvinyl alcohol fiber, polyethylene fiber, carbon fiber and aramid fiber; the nonmetal fiber rib is carbon fiber reinforced plastic rib, aramid fiber reinforced plastic rib, glass fiber reinforced plastic rib or basalt fiber reinforced plastic rib. The invention further discloses applications and an application method of the high toughness cement-based material-nonmetal fiber rib composite structure. The high toughness cement-based material and the nonmetal fiber rib are utilized to reinforce the reinforced concrete structure, so that the bearing capacity and the durability of the structure are increased and the aging speed of the structure is reduced.

Sintered fiber filters are provided that can afford high particle capture efficiency and/or low pressure drop during operation, and are useful in applications such as semiconductor processing. The shape of at least a portion of the individual fibers (e.g., metal fibers) used to make the filter have a three-dimensional aspect, which allows for a low packing density and high porosity filtration media. Certain filters have a cylindrical or tube-like shape with tapered ends of higher density. Methods of making such filters, for example, using axial pressing, are also described.