83 results about "Metallic alloy" patented technology

A method for fabricating a metal-infiltrated ceramic matrix composite, comprises: providing a ceramic fiber preform comprising a fiber tow; depositing an interface coating material around the fiber tow to form an interface coating therearound, and form an interfaced coated ceramic preform containing the interface coated fiber tows; depositing a silicon carbide layer around the interface coated fiber tow; depositing a reaction-barrier coating around the interface coated, silicon carbide coated fiber tow of the interface coated, silicon carbide coated ceramic preform; infiltrating the interface coated, silicon carbide coated ceramic preform with a slurry comprising a carbon source; drying the slurry infiltrated interface coated, silicon carbide coated ceramic preform; and infiltrating the dried slurry infiltrated interface coated, silicon carbide coated ceramic preform with a molten ternary metal alloy, a molten ternary metalloid alloy, a molten ternary metal alloy comprising boron as a constituent, a molten ternary metalloid alloy comprising boron as a constituent, a ternary metal melt, a ternary metalloid melt, a ternary metal melt comprising boron as a constituent, or a ternary metalloid melt comprising boron as a constituent, combinations comprising at least one of the foregoing; to form a melt-infiltrated ceramic matrix composite.

The utility model belongs to the technical field of heat dissipation devices for casting parts made of metal alloy materials, and particularly discloses a heat dissipation device for manufacturing casting parts made of non-ferrous metal alloy materials, which comprises a processing tank, one side of the processing tank is fixedly connected with a second connecting pipe, and one side of the second connecting pipe is provided with a first connecting pipe. A cooling box is fixedly mounted at the bottom of the treatment tank; the filtering and cooling mechanism used for filtering and cooling hot air is arranged on one side of the second connecting pipe, and the filtering and cooling mechanism comprises a cooling pipe fixedly installed between the first connecting pipe and the second connecting pipe; heat generated by the non-ferrous metal alloy material casting manufacturing equipment can enter the first connecting pipe, the heat flows around during cooling through the cooling assembly, the time for the heat to pass through the cooling assembly is prolonged, the cooling effect of the cooling assembly during use is improved, and when the heat enters through the filter assembly, the cooling effect of the cooling assembly is improved. And carried dust can be filtered.

The invention relates to an overmolding method for producing a component (1) having a decoration (2), also referred to as an overmolded part, said decoration (2) being made of an at least partially amorphous metal alloy (8), said method comprising the following steps: providing a blank (3) having at least one through-hole (4) which opens into the overmolded part (2) to be produced, said blank (3) being made of a first material having a low thermal diffusion coefficient or being at least partially plated with a layer made of said first material; providing an injection mould (6); positioning the blank (3) inside the injection mould (6); the liquid metal alloy (8) is injected through the through hole (4), and the through hole is communicated into the cavity of the injection mold (6) and / or the cavity of the blank (3); the blank (3) with the overmolded part (2) is demolded in order to obtain the component (1).

A method of preparing a mixture of a metal or metal alloy and (NbxTi1-x)C (where 0<x≤1) in which (NbxTi1-x)C in particulate form (either with or without metal powder) is formed into a preform and then if necessary added to the metal. The resulting (NbxTi1-x)C / metal mixture can then be heated to a temperature below the melting point of the (NbxTi1-x)C and optionally dispersed in liquid metal and / or casted and cooled to produce a solid product with improved physical properties.

The invention discloses a heat reflection thermal insulation fabric and a preparation method thereof. A heat reflection heat preservation fabric comprises a fabric layer provided with a first surface; the at least one metal alloy layer is stacked on the first surface of the fabric layer; wherein the chemical formula of the metal alloy layer is shown as CuaAlbNicAgdTieMf, M is one or more of Au, Fe, Co, Cr, Mg, Zn, Sn and In, subscripts a, b, c, d, e and f are atomic percentage contents of corresponding elements respectively, and a is larger than or equal to 0 and smaller than or equal to 0.43, b is larger than or equal to 0 and smaller than or equal to 0.81, c is larger than or equal to 0 and smaller than or equal to 0.35, d is larger than or equal to 0 and smaller than or equal to 0.66, e is larger than or equal to 0 and smaller than or equal to 0.54, f is larger than or equal to 0 and smaller than or equal to 0.84, and a + b + c + d + e + f = 1. According to the heat reflection heat preservation fabric, the metal alloy layer is arranged on the first surface of the fabric layer in the stacked mode, so that the fabric has good abrasion resistance and washing resistance in the using process, the service life of the fabric is prolonged, and the heat preservation performance of the fabric is effectively improved.

The invention discloses a method for recovering metal by reducing deep-sea polymetallic oxidized ore through high-temperature hydrogen plasma, which comprises the following steps: dehydrating and drying the deep-sea polymetallic oxidized ore collected at the seabed, then adjusting the binary alkalinity of the deep-sea polymetallic oxidized ore to 0.15-0.20 (the binary alkalinity represents the mass ratio of CaO to SiO2), and smelting by using a hydrogen plasma electric arc furnace, and after smelting is finished, a melt is poured out, smelting slag and smelting alloy are separated, and nickel-copper-cobalt-iron smelting alloy and manganese-rich slag are collected. And finally, the high-value alloy and the manganese-rich slag are obtained in one step through separation of the slag and the metal alloy.

The utility model relates to a suspension paint spraying technical field especially relates to a suspension device for nonferrous alloy paint spraying, its technical scheme: including conveying track, suspension piece and paint spraying box upper end transmission part, the suspension piece is composed of central rotating lever, rotating sleeve, bottom plate and hook, the rotating sleeve rotationally connects in the outside of central rotating lever, the bottom plate upper end central position is fixedly connected with the bottom of central rotating lever, the equidistant rotating connection has the rotating seat on the bottom plate, the hook upper end is fixed in the rotating seat bottom, the conveying chain is installed in the conveying track, the equidistant fixed connection rod has in the conveying chain, the stable plate is installed between the bottom of connection rod and the upper end of central rotating lever, the paint spraying box upper end transmission part includes fixed side plate. The utility model can utilize the transmission between the gear when the hook passes through from the paint spraying box, makes the hook carry out circumferential rotation and rotation, and need not additional output power, can better realize the purpose that the surface is even sprayed.

A fluid composition including a mixed metal oxide viscosifier, a clay viscosifier, and solid eutectic metal alloy particles. A method 100 including pumping a drilling fluid downhole in a wellbore. The drilling fluid includes water, a mixed metal oxide viscosifier, a clay viscosifier, and solid eutectic metal alloy particles. The method 100 further including allowing the drilling fluid to reach a target zone with elevated permeability and forming a filter cake containing solid eutectic metal alloy particles in the target zone. The method 100 including heating the filter cake to a temperature greater than the melting temperature of the eutectic metal alloy particles, allowing the particles to melt and become liquid eutectic metal alloy particles. The method 100 including discontinuing heating and allowing the filter cake to cool to a temperature lower than the melting temperature of the solid eutectic metal alloy particles to produce a strengthened filter cake.

The invention discloses a plating material for surface metallization of a ceramic material, the ceramic material and a preparation method of the ceramic material. The plating material for metallizing the surface of the ceramic material comprises a metal alloy and a mixed salt in a weight ratio of 1: (1-10), wherein the metal alloy comprises, by weight, 10%-99% of active metal elements, 0%-85% of iron elements and 1%-5% of other elements, and the active metal elements comprise one or more of transition metal of titanium, molybdenum, vanadium, niobium, tungsten or rare earth neodymium; the mixed salt comprises two or three of alkali metal salt, alkaline earth metal salt and villiaumite; the plating material for metallization of the surface of the ceramic material is used for forming a metal layer on the surface of ceramic by utilizing ionization deposition of high-temperature molten salt on metal alloy. The plating material for ceramic material surface metallization can be used for plating micron-scale transition metal layers such as titanium, molybdenum, vanadium, niobium, tungsten, rare earth neodymium and the like on the ceramic surface, the aim of low-cost metallization of the ceramic surface is achieved, and the wettability and interface bonding strength of ceramic metal are improved.

A spinner for use in manufacturing glass fibers includes a body having an upper wall with an opening therethrough, a lower wall, and a side wall extending between the upper wall and the lower wall. The side wall comprises a plurality of orifices, and the body comprises a metal alloy material and is formed using a localized welding method, such as a directed energy deposition (DED) method.

The utility model belongs to the technical field of nonferrous metal processing, and particularly relates to a dust treatment device for nonferrous metal alloy material production and manufacturing, which comprises a treatment box, a dust suction pump fixedly mounted at one end of the treatment box, a first dust collection box arranged in the treatment box, and a second dust collection box arranged in the treatment box, a first sealing plate is arranged at one end of the first dust collection box, a dustproof net frame is arranged in the treatment box, and a dust falling spraying mechanism is arranged on the treatment box. The partition plate, the first settling chamber, the second settling chamber, the first collecting box and the second collecting box are arranged in the treatment box and used in cooperation, introduced dust can be conveniently settled, collected and treated, the dust removal effect is conveniently improved, the water tank, the water pump, the water guide pipe, the splitter plate and the spray heads are arranged and used in cooperation, and the dust removal effect is improved. And dust in the second settling chamber can be conveniently sprayed, settled and dedusted, so that the dust removal effect is further improved, and better work and use are facilitated.

The utility model relates to the technical field of production and manufacturing of non-ferrous metal alloy materials, in particular to a dust treatment device for production and manufacturing of non-ferrous metal alloy materials, which comprises a device body, the device body is provided with a connecting mechanism, and the connecting mechanism comprises a connecting assembly arranged on the outer wall of the device body. A scraping assembly is arranged on the upper section of the device body, and a screening assembly is arranged on the lower section of the device body. The screening assembly of the device is unique in design, the screening plate is driven by the connecting sliding sleeve to reciprocate up and down, dust in production of non-ferrous metal alloy materials can be efficiently screened through cooperation with the scraping plate at the bottom, the screening precision and efficiency are improved, the scraping plate can scrape off materials left on the screening plate in time when the screening plate moves, and the screening efficiency is improved. And meanwhile, the inner wall of the device can be ensured to be clean, the service life of the device is prolonged, and the maintenance cost is reduced.

The system of the invention comprises a first flexible sheet (1) which is made of at least one of the group consisting of an electromagnetic metal, a ferromagnetic metal alloy, or a first permanent magnetic component and a front face configured for writing or for the fixing of printed texts or images on physical medium and coated with a layer of coating composition. The first flexible sheet (1) is connected to a second flexible sheet (2), which is made of a material selected from at least one of the group consisting of a cork, an elastomer, a plastic and composites thereof.The system can be rolled and unrolled without ruptures or loss of contact quality between the first flexible sheet (1) and the second flexible sheet (2) and provides comfortable writing for the user due to the buffering of the second flexible sheet (2).

A method for case-hardening a group IV metal or a group IV metal alloy, and a component hardened by this method are provided. [Solution] The method comprises the steps of: preparing a workpiece of a group IV metal or a group IV metal alloy, wherein the workpiece is in its final shape; nitriding the workpiece in a nitriding atmosphere containing NH as the nitride species at a first temperature of 450°C to 750°C for a nitriding time of at least 16 hours to form a hydrogen-containing diffusion zone; and a second temperature up to 750°C and up to 10 -4 The method includes removing hydrogen from a hydrogen-containing diffusion zone over a hydrogen removal time of at least 4 hours at a partial pressure of H2 in mbar to form a hydrogen-deficient diffusion zone. This method and its components are useful for implants, particularly dental implants.

The application discloses a method for recovering metals from deep-sea polymetallic nodule by high-temperature hydrogen plasma reduction, and comprises the following steps: dehydrating and drying the deep-sea polymetallic nodule collected from the seabed, and then adjusting the binary alkalinity of the deep-sea polymetallic nodule to 0.15-0.20, wherein the binary alkalinity is expressed as the mass ratio of CaO to SiO2; smelting the deep-sea polymetallic nodule by using a hydrogen plasma arc furnace; pouring out the melt after the smelting is completed; separating the smelting slag and the smelting alloy; and collecting the nickel-copper-cobalt-iron smelting alloy and the manganese-rich slag. Finally, the high-value alloy and the manganese-rich slag are obtained in one step through the separation of the slag and the metal alloy.

This invention relates to the field of valuable metal recovery technology, and particularly to a method for recovering valuable metals from cyanide-extracted gold-bearing carbon sludge. The steps are as follows: S1, mix carbon sludge, lime, quartz, and borax evenly, and put them into a smelting device. Place an extractant on top of the mixture and perform high-temperature smelting. After cooling, separate the slag and copper-iron alloy; S2, add the copper-iron alloy obtained in S1 to the extractant and put it into the smelting device for high-temperature melting and extraction. After extraction, cool until the iron phase precipitates. Before the extractant solidifies, remove the iron-rich phase and allow the remaining molten metal to continue cooling; S3, perform vacuum distillation on the valuable metal alloy obtained in S2. After cooling, remove the volatile extractant and the gold-silver-copper alloy. The method for recovering valuable metals from cyanide-extracted gold-bearing carbon sludge provided by this invention can simply and efficiently recover valuable metals from carbon sludge and has good application value.

An yttrium-containing structure comprises: (a) a substrate layer comprising a metal alloy, a ceramic material, a ceramic composite, or a combination thereof; (b) a bond-coat layer disposed on the substrate layer, or on an optional interlayer that is on the substrate layer, wherein the bond-coat layer comprises yttrium and a noble metal selected from the group consisting of platinum, iridium, rhenium, ruthenium, rhodium, osmium, and / or palladium; (c) a thermally grown oxide layer disposed on the bond-coat layer, wherein the thermally grown oxide layer comprises yttrium oxide; and (d) optionally, a top-coat layer disposed on the thermally grown oxide layer, wherein the top-coat layer comprises a metal oxide, a metal pyrochlore, or a metal silicate. Yttrium may be replaced with lutetium, in which the bond-coat layer comprises lutetium and a noble metal (e.g., Pt or Ir). A mixture of yttrium and lutetium may also be employed.

To provide a photocatalyst-coated resin member capable of exhibiting self-cleaning properties over a long period of time.SOLUTION: The photocatalyst coated resin member has a photocatalyst coating film on the surface of a resin base material. Since the photocatalyst coated film has a photocatalyst layer and a shielding layer in order from the surface side, the photocatalyst layer is a layer in which anatase-type titanium oxide particles are dispersed in a glass binder, and the shielding layer is a layer for preventing contact between the anatase-type titanium oxide particles and the resin substrate and is formed of an inorganic substance comprising at least one selected from the group consisting of metals, alloys and ceramics, a photocatalyst-coated resin member capable of exhibiting a self-cleaning property over a long period of time can be provided.SELECTED DRAWING: Figure 1

The invention relates to the field of ceramic composite materials, in particular to a ceramic composite material with an imitated shell structure as well as a preparation method and application thereof, and the method comprises the following steps: (S.1) providing slurry containing ceramic particles and metal alloy particles which are subjected to surface functionalization so as to have magnetic responsiveness; (S.2) performing magnetic field-assisted slip casting to enable particles in the slurry to be in oriented arrangement under a rotating magnetic field to form a green body with a layered structure; and (S.3) carrying out spark plasma sintering on the green body to obtain the compact ceramic composite material with the shell-imitating structure. The composite material with the shell-like layered structure is successfully prepared by combining magnetic field assisted slip casting and spark plasma sintering processes, the fracture toughness and bending strength of the material are remarkably improved, and the defects that a traditional ceramic material is high in brittleness and low in reliability are effectively overcome.

This invention relates to the field of metal alloy materials technology, and discloses an alloy material with enhanced barrier absorption, comprising the following preparation steps: uniformly mixing modified titanium powder, zinc powder, and copper powder, melting to obtain a basic melt; adding magnesium powder and silver powder to the basic melt, stirring at 970-1050℃ for 20-40 minutes to obtain an alloy melt; placing the alloy melt in a pre-made mold, casting, cooling to room temperature, demolding to obtain an alloy ingot; annealing and cold rolling the alloy ingot, immersing it in a surface treatment agent, stirring, removing, and drying to obtain the alloy material; by optimizing the ratio and preparation process of modified titanium powder, zinc powder, copper powder, magnesium powder, and silver powder, an alloy material is prepared, and a gel layer is formed on the surface of the alloy material, exhibiting good barrier absorption performance and improving skin condition.

An injection device for the production of at least one molded part made of amorphous metallic alloy, including: (i) a mold having at least two injection chambers connected to at least one cavity; and (ii) at least one heating means capable of melting metallic elements; and a multi-piston system including: (1) at least two injection pistons whose respective main axes are each aligned with that of their corresponding injection chamber and (2) a support cooperating with each of the injection pistons; and such that the support and / or the mold are able to move along an axis parallel to the main axes of the injection pistons so as to allow the loading of the metallic elements and the injection of the molten metallic elements into the injection chambers. Also, an injection method for the production of at least one molded part made of amorphous metallic alloy.

The utility model belongs to the technical field of dust treatment, and particularly relates to a dust treatment device for non-ferrous metal alloy manufacturing, which comprises a main body, a corrugated pipe arranged on the outer side of the main body, a sealing door arranged at the front end of the main body, a dust collection mechanism arranged at the outer end of the corrugated pipe, a communicating pipe arranged at the bottom of the dust collection mechanism, and dust collection holes arranged on the inner side of the dust collection mechanism. A fixing plate is arranged in the main body and comprises a partition plate, a dust collecting cavity, a water conveying cavity, a lower hanging short pipe, a discharging hole, a penetrating hole, an inserting hole and a water discharging hole. By arranging the corrugated pipe, the dust collection mechanism, the communicating pipe and the dust collection holes, dust in a larger range can be sucked, dust scattering is avoided, the dust suction effect is guaranteed, and by arranging the fixing plate, the partition plate, the dust collection cavity, the water conveying cavity, the lower hanging short pipe, the discharging hole, the inserting hole, the water drainage hole, the dust collection pump, the water pump, the collecting mechanism and the vibrator, dust in a larger range can be sucked. The dust is prevented from being raised in the treatment process, and the treatment effect after dust collection is improved.

A method for producing a precoated steel sheet (1) includes providing a precoated steel strip comprising a steel substrate carrying, on at least one of its faces, a precoating. The precoating includes an intermetallic alloy layer and a metallic alloy layer extending atop the intermetallic alloy layer. The metallic alloy layer is a layer of aluminum, a layer of aluminum alloy or a layer of aluminum-based alloy. The method also includes laser cutting the precoated steel strip so as to obtain at least one precoated steel sheet (1). The precoated steel sheet (1) includes at least one cut edge surface (13). The cut edge surface (13) includes a substrate region (14) and a precoating region (15) and the thickness of the precoated steel sheet (1) being comprised between 1 mm and 5 mm. The laser cutting is carried out such that it results directly in a reduced-aluminum zone (20), extending over the entire height (h) of the cut edge surface (13) and over a length smaller than or equal to the length thereof. The surface fraction of aluminum on the substrate region (14) of the reduced-aluminum zone (20) directly results from the laser cutting operation being comprised between 0.3% and 6%.

A method and apparatus used in preparing a recrystallized metal alloy involve a cooling medium and a heating element to create a cold zone and a hot zone. An additively manufactured metal alloy preform is drawn in a draw direction from the cold zone towards the hot zone to form the recrystallized metal alloy. The cold zone and the hot zone create a surface temperature gradient on at least a portion of the preform of at least about 104 K m-1. The step of drawing causes an average grain size of at least a portion of the preform to increase in a direction parallel to the draw direction.

The application relates to an optical film technology field and solves the problem that the light absorption performance and material strength of an existing light absorption material are difficult to be considered simultaneously. The light absorption black film comprises a substrate and a metal layer and first and second absorption layers which are sequentially deposited on the substrate; the substrate material is metal, alloy or optical glass; the metal layer is a Ti and Cr alloy material; the first absorption layer is an alternating stack of a metal material and an oxide material; the metal material is a Ti and Cr alloy material; the second absorption layer comprises a superlattice superlattice structure metal layer and an oxide material; the superlattice superlattice structure comprises periodically alternating nanoscale Ti / Cr metal layers, and each group of layers comprises a nanometer-thick Ti layer and a nanometer-thick Cr layer. The application has excellent mechanical properties and process compatibility while maintaining the high absorption characteristics of an ultrabroad spectrum, and provides an ideal light absorption solution for a high-performance optical system.

This invention provides a moisture-absorbing vapor phase corrosion inhibitor film, its preparation method, and its application, relating to the field of rust-preventive packaging technology. The method involves first preparing a rust-preventive masterbatch and a moisture-absorbing masterbatch, then using them together with a carrier resin to create a three-layer rust-preventive film. The amount of rust-preventive and moisture-absorbing masterbatch added is controlled during the preparation process, ultimately yielding a moisture-absorbing vapor phase corrosion inhibitor film that simultaneously possesses moisture absorption, rust prevention, and high strength. This rust-preventive film can be applied to the surface rust prevention of various metals / alloys. In the above process, by adding an appropriate amount of cellulose nanofibers during the preparation of the rust-preventive and moisture-absorbing masterbatch, on the one hand, their excellent moisture absorption properties impart moisture absorption to the vapor phase corrosion inhibitor film; on the other hand, they can also serve as a binder between the moisture-absorbing powder or vapor phase corrosion inhibitor and the LDPE resin, ensuring a denser and more stable internal structure of the rust-preventive and moisture-absorbing layers, while simultaneously improving the strength of the vapor phase corrosion inhibitor film.

Decorative articles having a surface coating are described. A surface of the decorative article may include a surface coating. The surface coating may include a number of different materials, and may include a metal or metal alloy, such as a molybdenum alloy. A decorative coating comprising chromium or other material may be present on an alloy layer, such as a molybdenum alloy layer.

The utility model relates to metal processing technical field discloses a kind of non-ferrous metal alloy material processing heat treatment equipment, comprising: frame, including upper frame, lower frame and several vertical rods, vertical rod is fixed between upper frame and lower frame;Material supporting net plate, between upper frame and lower frame are provided with several groups, and each group of material supporting net plate is distributed with several up and down, and the four corners of material supporting net plate are connected and fixed with vertical rod, and several support columns are fixed with equidistance on material supporting net plate;Hanging frame, fixedly arranged on upper frame, and provided with several, and several hooks are provided on it.The utility model has the advantages of: preventing non-ferrous metal accumulation and placing, can be quickly burnt through, reduce time and energy consumption.

A method for uniformly distributing particulate matter in a fiber reinforcement of a CMC material, comprising: providing at least one preform of at least one fiber reinforcement; infiltrating the preform with at least one slurry containing at least one particulate material and at least one solvent to form at least one slurry infiltrated preform comprising the particulate material; freezing the slurry infiltrated preform containing the particulate material to form at least one frozen slurry infiltrated preform containing the particulate material; sublimating the frozen slurry infiltrated preform including the particulate material to form at least one structural support comprising the particulate material uniformly distributed thereupon within at least one sublimated slurry infiltrated preform; and melt-infiltrating with at least one metal, at least one metalloid, at least one metal alloy, or at least one metalloid alloy, the sublimated slurry infiltrated preform containing the structural support to form a melt-infiltrated CMC material.

The utility model belongs to the technical field of metal alloy preheating, and particularly relates to heat treatment equipment for processing non-ferrous metal alloy materials, which comprises an equipment main body, an observation window arranged on the front side of the equipment main body, a control panel fixedly mounted on the front side of the equipment main body, a sealing cover arranged on the top of the equipment main body, and an air heater fixedly mounted on the top of the sealing cover. A motor is fixedly installed on one side of the equipment body, a rotating shaft is arranged at one end of the motor, a heating containing frame is arranged in the equipment body, and a heat preservation layer is arranged on the inner wall of the equipment body. The whole device is designed to be sealed, and meanwhile, the heat preservation layer is arranged in the equipment main body for cooperative use, so that the heat insulation performance of the whole device can be improved, heat in the device is prevented from being lost easily, and preheating processing can be carried out better; metal materials in the containing tray can be heated more evenly, and the preheating machining effect of the metal materials can be improved conveniently.