83 results about "Solid metal" patented technology

According to the welding machining device and method for the inner net and the outer net of the filter, the welding machining device comprises the machining machine table, the lifting mechanism, the moving mechanism, the roller electrode, the shaft electrode and the hooping mechanism, and complex spatial spiral movement is simplified into single axial movement of the roller electrode in a joint channel; an expensive and complex high-precision multi-axis linkage numerical control system is not needed, only one common motor is needed to drive a roller electrode to linearly walk along a joint channel, inclined joint welding of the filter metal net is completed, a workpiece can be driven to rotate in a pure mechanical mode, the cost is low, the welding efficiency is high, and through a micro forging and pressing mode in advance, the welding efficiency is high. According to the method, a solid metal strip with the width of about 1-2 mm and without through holes is formed, and the solid strip provides a continuous and uniform contact surface for a subsequent roller electrode, so that a constant resistance and ideal current path is provided, controllable and predictable generation of welding heat is realized, and the problems of pseudo soldering and overburning caused by meshes are greatly reduced.

This invention relates to the field of metal die casting technology, and more specifically, to an ultrasonic-assisted vacuum die casting apparatus and method for non-ferrous metals. The apparatus includes a forming mold, a casting system, a vacuum system, and a vibration demolding system. The forming mold has a cavity. The casting system is connected to the forming mold and is used to inject liquid metal into the cavity. The vacuum system is connected to the forming mold and is used to evacuate the cavity. The vibration demolding system is connected to the forming mold and is used for ultrasonic vibration and demolding. Evacuating the cavity allows the molten metal to fill it more easily, reducing porosity and increasing density. The vibration demolding system vibrates the semi-solid metal material cooled to a certain point within the cavity, breaking up grains and venting air, thereby producing die-cast parts with clear interfaces, high density, and high strength and quality. The vibration also automatically cuts off the small gate point of the casting and solidified material.

A melting furnace may include a feeding unit configured to supply solid metal; and a heating chamber for heating and maintaining the molten metal. The heating chamber may include a plurality of immersion heaters, wherein each immersion heater is immersed in the molten metal and heats the molten metal. The melting furnace may also include a pump configured to circulate molten metal from the heating chamber to the melting chamber; and a melting chamber configured to receive the solid metal from the feeding unit and the molten metal from the heating chamber, where the solid metal is submerged in the molten metal in the melting chamber and melted to produce a liquid metal. The liquid metal may be circulated from the melting chamber to the heating chamber.

A method for manufacturing a metal solid-to-metal solid bonded body, capable of improving a bond strength on a bonding face, and a composite member. A solid metal body containing a first component is brought into contact with a solid metal material composed of a compound, an alloy, or a non-equilibrium alloy, which contains both a second component and a third component having positive and negative heats of mixing respectively relative to the first component, and heated at a predetermined temperature for a predetermined time while applying a predetermined pressure to between the metal body and the metal material. Thereby, the first component and the third component are interdiffused with each other, and a liquid alloy containing the first component and the third component, which has been generated in a region where the first component and the third component have interdiffused with each other, is discharged.

The utility model discloses a cover plate assembly and a battery cell module, the cover plate assembly comprises a cover plate main body, a pole and a fixing assembly, the cover plate main body is provided with a first through hole, the pole comprises a pole plate body and a pole main body, the first end of the pole main body is connected with the pole plate body, the second end of the pole main body penetrates through the first through hole, and the fixing assembly is arranged on the pole plate body. The cover plate body extends to one side, far away from the pole plate body, of the cover plate body; the part of the pole main body on one side, far away from the pole plate body, of the cover plate main body is fixed through a fixing assembly; the fixing assembly is made of solid metal. The first through hole with the hole diameter larger than that of the pole main body is formed, so that the pole main body penetrates through the first through hole, the pole main body and the cover plate main body are locked through the fixing assembly on the side, away from the pole plate body, of the pole main body, and the fixing assembly made of metal is higher in structural strength and easy to fix and install; and auxiliary structures such as a riveting die are not needed, so that the assembly difficulty and cost of the cover plate assembly are reduced.

The present invention provides a method for manufacturing a jointed body of solid metals and a composite member that can increase the bonding strength at the joint surface. [Solution] A solid metal body containing a first component is brought into contact with a solid metal material consisting of a compound, alloy, or non-equilibrium alloy that simultaneously contains a second component and a third component, each having positive and negative mixing heats relative to the first component, respectively. A predetermined pressure is applied between the metal body and the metal material while performing heat treatment at a predetermined temperature for a predetermined time. This causes the first component and the third component to mutually diffuse, and the alloy liquid containing the first component and the third component, which is generated in the region where the first component and the third component have mutually diffused, is discharged.

The invention discloses a preparation method of a co-fired integrated heat sink for an LTCC substrate, and belongs to the technical field of electronic components. According to the structure of the integrated heat sink, a through or non-through cavity with the size matched with that of a chip is prefabricated in the LTCC substrate according to the position of the high-power chip; before the raw ceramic tape is laminated and sintered, high-thermal-conductivity metal slurry is used for filling to form a solid metal heat sink block; the power chip is directly installed on the filled metal heat sink block, and heat generated by the chip is quickly conducted to the bottom plate through the solid metal block. The preparation method comprises a cavity forming process, a metal slurry filling process and a laminating and co-firing process. The problems that an existing LTCC substrate is low in intrinsic thermal conductivity, a heat sink cannot be welded, and the integration technology of a heat dissipation structure and a circuit substrate is poor in feasibility, high in cost and poor in practicability are solved. The method is widely applied to the substrate manufacturing technology of power electronic components, power assemblies, power modules and complete machine circuits.

The utility model discloses a semi-solid injection molding mold with a cooling mechanism, and belongs to the technical field of semi-solid injection molding molds. The mold mainly comprises an upper mold body and a lower mold body, the lower mold body comprises a bottom plate and a bottom mold body, the bottom mold body is fixedly installed on the bottom plate, a liquid inlet pipe and a liquid outlet pipe are installed on the two sides of the bottom mold body in a threaded mode respectively, a cooling cavity is formed in the bottom mold body, and a lower forming cavity for finished product forming is formed in the top face of the bottom mold body; a cooling cavity is formed in the enclosure frame, a cooling groove is formed in the enclosure frame and communicates with the cooling cavity, a first heat conduction assembly is arranged in the cooling cavity, a second heat conduction assembly is arranged in the cooling groove, and by arranging the double heat conduction assemblies and the layered cooling structure, the cooling effect is greatly improved; the defects that the cooling speed of semi-solid metal is inconsistent due to too high mold temperature or non-uniform cooling are effectively avoided, shrinkage cavities, deformation and the like are reduced, the product size precision and the forming quality are improved, meanwhile, the forming period is shortened, and the production efficiency is improved.

The application discloses a kind of metal polymer composite for 3D printing and preparation method thereof, the composite is prepared by compounding semi-solid metal alloy modified by coupling agent with polymer material.The preparation method is: modified semi-solid metal alloy, polymer material, functional additive are mixed, and are processed into shape to be prepared;Or modified semi-solid metal alloy, polymer material, functional additive are mixed, material for 3D printing, and are solidified into shape again.The composite of the application is used at temperature of 20-230 DEG C, viscosity is 1-10 5 Pa·S, resistivity is 10 ‑6 ~10 6 Ω·cm;Preparation method is simple, raw material cost is low, non-toxic, post-processing is simple, so that material is applied to 3D printing when extruding evenly, speed is controllable, warpage is low, and the prepared conductive polymer material is easy to store, small in density, stable in conductive effect, compared with traditional conductive printing material, and conductive performance is obviously improved.

A solid metal thermal insulation jacketing for fluid flow devices such as valves and pipes used in heavy industrial applications is additively manufactured (e.g., by 3D printing) to fit within the bore of the fluid flow device being protected. An inlaid support structure extending obliquely between the inner surfaces of the inner and outer shells provides increased thermal conduction resistance while also providing increased compressive force strength. An example support structure includes an array of four obliquely oriented elongate members that mutually intersect at an intermediate point between the inner surfaces of the inner and outer cylindrical shells. If the interior gap is sealed, they can be evacuated or pressurized to enhance thermal insulation properties. In some applications, pressure equalization ports can be provided on or through the jacketing if desired.

The invention relates to a novel functional material for X-ray protection, in particular to a liquid metal flexible shielding material and a preparation method and application thereof. The material comprises liquid metal and solid metal, the liquid metal serves as a solvent to be filled in gaps of the solid metal, the liquid metal is gallium, gallium indium, gallium indium tin, gallium indium tin zinc or mercury, and the solid metal is selected from one or more of indium, tin, gold, platinum, iridium, zirconium, niobium, molybdenum, ruthenium, osmium, rhenium, rhodium, tungsten, antimony, palladium, tantalum, hafnium, lutetium, lead, ytterbium, thulium, bismuth, silver, erbium, holmium, dysprosium, terbium, gadolinium, samarium, neodymium, lanthanum, praseodymium, cerium and europium. On the basis of compounding of the liquid metal solvent and the solid metal solute based on the liquid metal combinatology, the liquid metal and the solid metal are jointly used for protecting X-ray radiation, the comprehensive performance of X-ray protection is improved, and meanwhile the variety and number range of selectable metal elements is widened.

Protection of tubulars from premature wear in the mid-body section due to highly curved wellbores, including bowing from high axial compressive loads, or gravity induced bowing in a horizontal section of the wellbore is disclosed. It includes a method of installing a strong, wear resistant, fully encircling steel band around the midbody region of tubular joints on new and worn tubulars. Further, it does so without degrading the metallurgy or microstructure of the pipe body yet attaches the protective band with such high clamping force that it is unlikely to slip even under the most extreme service conditions. In addition, the circumferential integrity of the pipe band makes it even less likely to ever break off. A protective band includes a wear resistant hard banding weld overlay installed around the circumference of the protective band.

A current collector may comprise a strength enhancement layer and a current collecting layer, wherein the current collecting layer may be stacked and bonded with the strength enhancement layer, and the current collecting layer may comprise a foam metal portion and a solid metal portion.

The invention discloses a broadband achromatic programmable electromagnetic camouflage device based on a fluid access metasurface. The broadband achromatic programmable electromagnetic camouflage device comprises the fluid access metasurface composed of a plurality of periodically arranged super units. Each super unit comprises a plurality of units arranged in a matrix; each unit comprises a microfluid channel layer and a solid metal layer, and the microfluid channel layer is located above the solid metal layer; the microfluid channel layer is connected to an external driving system through the injection and discharge port, and the external driving system is used for injecting liquid metal or dielectric liquid into the microfluid channel layer; when the microfluid channel layer is filled with liquid metal, the unit is in a first working state; and when the micro-fluid channel layer is filled with the dielectric liquid, the unit is in a second working state. According to the invention, linear phase dispersion control can be realized in a broadband, and it is ensured that the generated false target echo keeps high fidelity in a time domain when facing a broadband pulse radar.

A multi-field assisted solidification levitation melting and pulling ingot device includes a melting vessel configured to contain metal so that the metal is heated in the melting vessel, a first electromagnetic generating device configured to surround the melting vessel to heat the metal and levitate the metal within the melting vessel by generating a magnetic field, and an ultrasonic vibration pulling ingot device configured to contact the liquid metal and provide guidance to solid metal solidified from the liquid metal. The ultrasonic vibration pulling ingot device is configured to generate and transmit ultrasonic vibrations to a solidification interface of the metal while guiding the solid metal. A method is also provided.

The application is a device for building multilayer annular block material from multiple solid metals, which comprises a rotating frame (1) capable of rotating around a central axis, the rotating frame (1) being a hollow cylinder, a cylindrical heat treatment column (2) being arranged at the axial position in the inner cavity of the rotating frame (1), two powder feeding pipes (3) being symmetrically arranged around the heat treatment column (2), the powder feeding pipes (3) being capable of rotating and moving up and down along the central axis of the rotating frame (1), in the use process, titanium-aluminum alloy powder particles are plastically deformed on the surface of a titanium metal ring, and the combination with the titanium metal ring base material is completed with the aid of a tangential force.

The invention discloses a selective regulation and control and directional enrichment method and system for metal arsenic crystal forms in arsenic-containing gypsum residues and an alpha crystal form-metal arsenic product, and belongs to the technical field of nonferrous metallurgy and secondary resource recovery. The method comprises the following steps: under an anaerobic condition, carrying out a reduction reaction on the arsenic-containing gypsum slag and a reducing carbonaceous material to obtain metal arsenic vapor; carrying out gradient condensation on the metal arsenic steam to obtain a solid metal arsenic product; the gradient condensation comprises three condensation zones: the temperature of the first condensation zone is 420-450 DEG C, the temperature of the second condensation zone is 360-390 DEG C, and the temperature of the third condensation zone is 300-330 DEG C; and the solid metal arsenic product is cooled to 80 DEG C or below at the cooling rate not lower than 50 DEG C / min, and an alpha crystal form-metal arsenic product is obtained. According to the method, the high-valued arsenic is realized, the sulfur element is synergistically cured, the resource utilization of the residues is realized, and finally, the near-zero emission of the whole treatment process is achieved.

[Problem] To directly bond a metal layer in a thin line shape to a surface of a ceramic substrate.[Solution] A method for producing a ceramic-metal bonded object including irradiating a surface of a ceramic substrate with a laser beam while sweeping the laser beam, and simultaneously therewith, feeding a solid metal material toward a region irradiated with the laser beam on the surface of the ceramic substrate (hereinafter referred to as “irradiation area”), so that the metal material being fed is also brought into a state of being irradiated with the laser beam to melt the metal material while heating the surface of the ceramic substrate located in the irradiation area, and depositing the molten metal material on the surface of the ceramic substrate and then solidifying the metal material.

The invention discloses a method for simultaneously refining and modifying primary and eutectic Mg2Si phases in hypereutectic Al-Mg2Si alloy, and relates to the field of metal material processing and preparation. The preparation method comprises the following steps: pouring an overheated melt into a graphite snake-shaped channel, and refining a primary Mg2Si phase by utilizing the chilling, self-stirring and heterogeneous nucleation effects of the snake-shaped channel, so as to obtain the semi-solid metal slurry with the solid phase fraction of 0.1-12.9%. And then the slurry is subjected to rheological, thixotropic or gravity casting forming, in the solidification process, a Sr alterant added in advance is used for alteration of a eutectic structure, and mutual poisoning weakening between a primary phase refiner and the eutectic alterant is avoided. And finally, the Al-Mg2Si alloy with the primary Mg2Si particles fully refined and the eutectic Mg2Si phase fully deteriorated is obtained, and the mechanical property, the heat-conducting property and the wear resistance of the alloy are further improved.

The utility model discloses a kind of drilling and tapping center stand, including stand body, drill holder, damping sliding sleeve and core rod, core rod is solid metal axle rod, vertically set in stand, surface cladding insulation cover layer, damping sliding sleeve is sleeved in the outside of core rod, its inside is equipped with multiple neodymium magnetic permanent magnet ring, and is fixedly connected with drill holder by connecting rod. Drill holder is slidably installed in the outside of stand, and is driven by speed reducer motor, and is lifted by meshing with crawling tooth and rack. Drill holder drives damping sliding sleeve to slide slowly in normal operation process, and resistance is very small;When drill holder falls unexpectedly fast, induced eddy current is formed between permanent magnet ring and core rod according to Ampere's law, electromagnetic reaction force is generated, so as to realize slow descent protection, prevent impact damage. The utility model is compact in structure, response sensitive, with non-contact electromagnetic damping and unexpected protection function, improve the safety and service life of drilling and tapping equipment.

Nuclear waste, such as, but not limited to, spent nuclear fuel (SNF) assemblies or portions thereof, are placed within diecast molds, and then gravity fed molding occurs within those loaded diecast molds and around the SNF assemblies (or portions thereof) that are located within those diecast molds, using molten alloy(s) for filling the diecast molds, to form solid metal ingots upon sufficient cooling of the newly formed ingots. The molten alloy(s) may contain a copper alloy. The molten alloy(s) may also contain neutron absorbers and / or helium immobilizing materials. Each such formed ingot may entirely encapsulate a SNF assembly (or a portion thereof) within the resolidified alloy(s). The ingots may be formed into waste capsules. The ingots and / or the waste capsules may be landed in deeply located horizontal wellbores. The deeply located horizontal wellbores may be at least partially located within deeply located geologic formations.

The present application relates to a kind of liquid metal carbon dioxide chemical solidification method, the method includes the following steps: (1) the gas containing carbon dioxide is introduced into liquid metal and is reacted, and solid-liquid separation is carried out to obtain liquid metal and solid mixture;(2) the solid mixture obtained in step (1) is treated by alkali, and carbon element and metal salt solution are obtained;The metal salt solution obtained is treated by electrolysis, and solid metal and oxygen are obtained;The liquid metal includes active component, and the active component includes any one or the combination of at least two of Ga, Al, Sn or Zn.The present application uses low-melting metal component capable of producing amphoteric oxide and having specific electronic structure, reduces carbon dioxide in liquid form, and recovers metal component through reduction process, and the reaction efficiency of carbon dioxide is higher, with the characteristics of mild reaction condition and low cost.

This invention provides a preventive maintenance operation method for a lithography system, comprising the following steps: spraying metal droplets from the reservoir of a droplet generator toward an excitation area in front of a collector; emitting an excitation laser toward the excitation area, causing the metal droplets to be heated by the excitation laser to generate extreme ultraviolet (EUV) radiation; stopping the emission of the excitation laser; depressurizing the reservoir of the droplet generator; cooling the droplet generator to a temperature not lower than approximately 150°C; and backfilling the reservoir of the droplet generator with solid metal material at a temperature not lower than approximately 150°C.

This invention relates to the field of semi-solid metal material processing technology, and particularly to a method for preparing a high-strength, high-thermal-conductivity Al-Si-Fe-Sr alloy by rheostat die casting. The method includes preparing raw materials according to the alloy composition; melting the raw materials under a protective atmosphere to obtain an alloy melt; holding the alloy melt at a high temperature; determining the transfer time point of the alloy melt based on the similarity between the cooling rate curve of the alloy melt and a preset cooling rate curve; pouring the alloy melt into a gas-induced semi-solid slurry preparation device at the transfer time point; determining the dynamic flow rate adjustment curve of the inert gas based on the temperature fluctuation values ​​and the area ratio of irregular bubbles generated at several monitoring points during the pouring process; pouring the obtained semi-solid slurry into the die casting chamber of a die casting equipment for die casting; and heat-treating the die casting. This invention improves the preparation efficiency and quality by enhancing the accuracy of the analysis of the Al-Si-Fe-Sr alloy preparation process.

The application relates to a metal gallium storage technology field, and particularly provides a metal gallium heating device and a heating system, which comprise a shell, a heat preservation layer arranged in the shell, and an induction coil wound on the inner side or the outer side of the heat preservation layer; the two ends of the induction coil are used for inputting alternating current to heat and melt solid metal gallium stored in a gallium storage device placed in the inner side of the induction coil. By inputting alternating current to the two ends of the induction coil, the solid metal gallium stored in the gallium storage device placed in the inner side of the induction coil can be heated and melted, internal heat production and internal heat circulation conduction are carried out through the eddy current heat effect, compared with the form of the traditional oven heating from the outside to the inside, the melting time of the solid gallium can be shortened, the melting uniformity is improved, the gallium storage device can be prevented from being damaged by heating through the regulation and control of the alternating current, and the metal gallium is not polluted.

The invention discloses a sewage treatment device with a metal recovery function, and belongs to the technical field of sewage treatment, the sewage treatment device comprises a treatment cylinder, an upper end cover and a lower end cover, the bottom of the upper end cover is provided with a pillar, the outer side wall of the pillar is provided with an electrolytic flow field balancing assembly, the electrolytic flow field balancing assembly is internally provided with a plurality of electric crystallization modules, and the bottom of the lower end cover is provided with a collection port. By arranging the electric crystallization module, nickel ions grow into metal crystals on the surface of the spindle-shaped titanium column of the cathode and are stripped through the stripping plate, high-purity solid metal nickel can be obtained and directly used for metallurgical recovery, the sewage retention time is prolonged by arranging the spiral flow channel, the liquid discharge port is formed in the position lower than the outlet of the spiral flow channel, and the sewage treatment efficiency is improved. And a precipitation cavity is formed at the lower part of the treatment cylinder, stripped nickel crystals settle at the bottom of the precipitation cavity, and supernate continuously overflows and is discharged, so that synchronous continuous operation of electrolytic crystallization, stripping, solid-liquid separation and effluent discharge is realized.

Disclosed herein are methods for extracting one or more metals from a material, wherein the method includes: contacting the material with an acidic aqueous solution having a pH less than 7, and reducing, with an alkyl carbonate, one or more metal oxides selected from nickel oxide, cobalt oxide, and manganese oxide; where the material includes the one or more metal oxides. Also disclosed are methods including extracting one or more metals from a material to obtain an aqueous solution comprising metal ions, and separating the metal ions to obtain at least one essentially pure metal ion solution and / or at least one essentially pure solid metal ion salt. Further disclosed are methods for recycling at least one battery material selected from a lithium ion battery, lithium ion battery waste, lithium ion battery production scrap, lithium ion cell production scrap, lithium ion cathode active material, and combinations thereof.

The electromagnetic induced transparency structure of microwave frequency band of the present application belongs to the technical field of electromagnetic wave detection and sensor device, which is composed of hollow metal rectangle (1), solid metal rectangle (2) and dielectric layer (3). The hollow metal rectangle (1) and the solid metal rectangle (2) are arranged periodically in two directions perpendicular to each other on the same surface of the dielectric layer (3), the hollow metal rectangle (1) and the solid metal rectangle (2) are different by 45 degrees, and the midpoint of each side of the solid metal rectangle (1) is just in contact with a vertex of the hollow metal rectangle (2). The structure of the present application can realize electromagnetic induced transparency effect, the transmittance reaches more than 90%, and the polarization direction of the incident light does not affect the structure, which has the advantage of being insensitive to the incident angle, and the selected materials are mature in preparation technology and easy to manufacture.

The embodiment of the invention relates to the technical field of a process for recovering metal through a molten liquid electrolysis method, in particular to a method for electrolytic extraction of a super-uranium element in molten salt and electrolytic extraction equipment. In the first aspect, the method for extracting the super-uranium element in the molten salt through electrolysis comprises the steps that the molten salt is heated to be molten according to the preset temperature; immersing the anode bar and the cathode crucible containing the solid metal cadmium into the fused salt, and carrying out heat preservation on the fused salt for a preset time at a preset temperature, so that the solid metal cadmium is molten into a liquid state; immersing the cathode bar into the fused salt; electrolysis is started, and generated electrolysis products are deposited in the cathode crucible; taking out the cathode crucible containing the electrolysis product; replacing a new cathode crucible containing solid metal cadmium, and repeating the steps; and the obtained multiple cathode crucibles are subjected to vacuum distillation treatment, so that an electrolysis product is separated from the metal cadmium and the fused salt, and the super-uranium element is extracted from the electrolysis product. On the second aspect, the invention further provides electrolytic extraction equipment.

The invention discloses a large-area self-packaging two-dimensional metal film and a preparation method and application thereof. The preparation method comprises the following steps that liquid metal with the melting point not higher than 400 DEG C is injected into a mold and solidified into a solid metal film; the solid metal film is demolded and then attached to the substrate, and a packaging layer is formed on the surface of the solid metal film; and under the condition that the substrate has an inclination angle of 10-70 degrees relative to the horizontal plane, the solid metal film is subjected to directional area-by-area heating from top to bottom, and a two-dimensional metal layer is formed. The obtained two-dimensional metal film comprises a two-dimensional metal layer, packaging layers are arranged on the upper surface and the lower surface of the two-dimensional metal layer, the total thickness is 1-20 nm, and the thickness of the two-dimensional metal layer is 0.5-5 nm. The invention also discloses an application of the two-dimensional metal film in a transparent electrode, an electroluminescent device electrode, a photo-thermal layer and an electronic device interconnection path. The preparation method is simple in process and low in cost, and does not need to depend on a vacuum environment and complex precision equipment.