255results about How to "Simple manufacturing process" patented technology

The invention relates to the technical field of medium-frequency induction heating furnaces, in particular to a medium-frequency induction heating furnace body, a furnace body manufacturing method anda temperature control method. The medium-frequency induction heating furnace body comprises a furnace lining, a material channel allowing a blank to pass through is formed in the middle of the furnace lining, and an induction coil which extends in axial direction of the material channel and is spirally wound on outer side of the material channel is arranged in the furnace lining; and a pluralityof temperature measuring holes are formed in the side wall of the furnace lining in the axial direction of the furnace lining at intervals, the temperature measuring holes are formed in the radial direction of the furnace lining and penetrate through the side wall of the furnace lining, and the temperature measuring holes are located at the intervals between every two adjacent turns of coils of the induction coil. The invention further provides a manufacturing method of the medium-frequency induction heating furnace body and a temperature control method of the medium-frequency induction heating furnace. According to the furnace body, the temperature measuring holes are formed in the side wall of the furnace body for temperature measurement instead of adopting the temperature measurement mode at a discharge port so that the temperature measurement accuracy can be improved.

This invention discloses a highly filled modified PP masterbatch and its preparation method, belonging to the field of polymer material modification technology. The masterbatch, by weight, consists of the following components: 25-30 parts polypropylene, 60-65 parts heavy calcium carbonate, 2-3 parts compatibilizer, 1-2 parts toughening agent, 0.3-0.5 parts compounded antioxidant, 0.5-1.0 parts lubricant, and 0.2-0.3 parts dispersant. This invention achieves a high-filling system with ≥60% calcium carbonate filling through synergistic optimization of the raw material formulation and precise control of the preparation process. This effectively solves the industry pain points of traditional highly filled modified PP masterbatches, such as filler agglomeration, precipitous decline in mechanical properties, and poor processing stability. The finished masterbatch meets national and industry acceptance standards for industrial equipment shells, automotive interior and exterior trim, and functional parts. The raw material cost is reduced by 15-25% compared to traditional modified PP masterbatches. The preparation process of this invention is simple and can achieve stable mass production using existing general-purpose modification equipment. The product qualification rate is ≥98%, demonstrating excellent economic benefits and broad application prospects.

This invention belongs to the field of sodium-ion batteries, and relates to a fluorophenylphosphonate, its preparation method, and its application in sodium-ion batteries. The fluorophenylphosphonate includes di(trifluoroisopropyl)phenylphosphonate or di(hexafluoroisopropyl)phenylphosphonate; the preparation steps are as follows: using fluoroalcohol and phenylphosphonyl dichloride as raw materials, triethylamine as an acid-binding agent, and diethyl ether as a reaction solvent, the fluorophenylphosphonate is prepared by a condensation substitution reaction. Sodium-ion batteries prepared using fluorophenylphosphonate exhibit high ionic conductivity and an electrochemical stability window. This phosphonate additive preferentially decomposes at the electrode interface, inducing the formation of a thin, dense, uniform electrode-electrolyte interface phase rich in NaF inorganic components, and giving the electrolyte excellent flame-retardant properties. Sodium-ion batteries assembled with positive electrode materials exhibit good rate performance and cycle stability, with a cycle life exceeding 5000 cycles at room temperature. Simultaneously, this electrolyte also exhibits excellent cycle performance at a high temperature of 60°C.

This utility model discloses a car door assembly and a vehicle, relating to the field of vehicle component technology. The car door assembly of this utility model includes a sheet metal part, a mounting part, and a sealing part. The mounting part is connected to the sheet metal part and includes a first snap-fit ​​portion. The sealing part is used to abut against the door glass and includes a second snap-fit ​​portion connected to the first snap-fit ​​portion, allowing the sealing part to be detachably connected to the mounting part. By using the mounting part for connection, the sealing part is avoided from being directly connected to the sheet metal part, thus eliminating the need for a complex mounting structure on the sheet metal part, reducing the width requirements of the sheet metal part, effectively reducing the overall width of the sheet metal part, further promoting the narrowing design of the B-pillar of the car door, and improving the interior space and vehicle aesthetics.

The application discloses a manufacturing method of a large-section thin-wall special-shaped steel shell tower segment, which comprises the following steps: first, dividing the segment into several blocks, then manufacturing block components, setting a horizontal base line, a vertical base line and block assembly position lines on an assembly platform, and fixing supporting columns and inclined positioning supports; positioning and fixing outer wall plate units of an inclined straight wall block through the positioning supports; hoisting and fixing outer wall plate units of the remaining straight wall blocks and adjusting the perpendicularity of the outer wall plate units through the supporting columns; hoisting and fixing inner wall plate units corresponding to all the outer wall plate units and adjusting and fixing the inner wall plate units through adjusting struts, and then welding connecting angle steels between the inner wall plate units and the outer wall plate units; hoisting and fixing outer wall plate units and inner wall plate units of the remaining vertical curved wall blocks in sequence through the same method, and welding connecting angle steels between the inner wall plate units and the outer wall plate units; finally, welding blocks to form the segment. The steel shell tower segment is divided into blocks which are easy to assemble, the manufacturing process is simplified, and the production efficiency is improved.

The utility model relates to the technical field of MEMS device packaging, and particularly discloses a strip-shaped clamp for an MEMS device, and the MEMS device comprises an MEMS sensor and a special integrated circuit needing to be subjected to an injection molding process; the strip-shaped clamp comprises a frame part and a central part; the central part comprises a plurality of parallel long strip parts which are arranged at intervals; the two ends of each long strip part in the plurality of long strip parts are respectively connected with the frame part so as to form a plurality of strip-shaped openings; the corners of the strip-shaped opening are arranged to be fillets; and under the condition that the MEMS device is arranged below the strip-shaped clamp, the strip-shaped opening is used for exposing an application-specific integrated circuit of the MEMS device so as to carry out an injection molding process, and the strip-shaped part is used for covering an MEMS sensor of the MEMS device. According to the strip-shaped clamp, the cleaning difficulty can be reduced, the manufacturing cost can be reduced, the influence of sputtered resin points in the injection molding process on the performance of the MEMS device can be effectively prevented, and the packaging yield of the MEMS device is effectively improved.

The embodiment of the present disclosure provides a preparation method of a semiconductor device, which comprises: providing a substrate, the substrate having a shallow trench isolation structure therein; forming a word line trench in the shallow trench isolation structure, the word line trench being provided with a gate insulation layer on the sidewall; forming a titanium nitride blocking layer, the titanium nitride blocking layer covering the surface of the gate insulation layer; and depositing a metal molybdenum gate, the metal molybdenum gate being selectively deposited on the titanium nitride blocking layer. The preparation method utilizes the property of selective deposition of the metal molybdenum gate, so that the metal molybdenum gate is only deposited on the titanium nitride blocking layer and is not deposited on other structures, thereby eliminating the need for an additional etching back step, simplifying the preparation process, reducing the process difficulty, and the resistivity of the metal molybdenum gate is lower than that of a TIN / W film, which is conducive to reducing the gate resistance and improving the performance of the semiconductor device.

The present disclosure relates to a solar cell string, a solar cell module, and a method of manufacturing a solar cell string, the solar cell string comprising a wiring member and at least two back contact solar cells, the wiring member connecting the back contact solar cells in series, the wiring component comprises a conductive inner core and an electrically insulated organic weldable protective layer covering the outer surface of the conductive inner core; wherein the back surface of the back contact solar cell is provided with a plurality of dispersed soldering paste points, the organic solderable protection layer is provided with a plurality of openings which are arranged at intervals along the extension direction of the wiring component and are used for exposing local parts of the conductive inner core, and the soldering paste points are in contact with the electrodes and are in contact with the conductive inner core through the openings. The solar cell string disclosed by the invention is relatively low in production cost, relatively excellent in safety and relatively high in yield.

This application provides an SOI substrate and its manufacturing method, and an SOI substrate with an isolation structure. The method includes: providing a substrate, the substrate including a substrate and an insulating layer formed on the substrate; etching the insulating layer to form a first trench in the insulating layer exposing the substrate; depositing an amorphous material layer on the insulating layer, the amorphous material layer contacting the substrate through the first trench; and performing laser annealing on the amorphous material layer to transform the amorphous material layer into an epitaxial layer. In the SOI substrate manufacturing method provided in this application, the use of laser annealing can quickly transform the amorphous material layer into an epitaxial layer, effectively reducing the thermal budget. Furthermore, the above SOI substrate manufacturing method does not require ion implantation, which simplifies the manufacturing process and reduces manufacturing costs.

The application belongs to the field of smart fibers and flexible electronics, and relates to an integrated circuit fiber and a preparation method thereof. The fiber contains electronic components integrated in a single fiber, and the electronic components are composed of multiple functional layers serving as components of the fiber and extending along the axial direction of the fiber. The integrated circuit fiber includes two types of integration schemes: one is a two-dimensional grid structure of multiple electronic components arranged radially side by side, and the electronic components can be electrically interconnected or isolated; the other is a radial stacking structure of a single electronic component, which can be adapted to five types of functional units, including electroluminescence, resistance-capacitance processing, capacitance sensing, transistors and organic electrochemical diodes. The preparation method comprises the following steps: a multi-channel microfluidic chip is used, multiple spinning solutions are injected into different channels, the spinning solutions in some channels are periodically turned on and off, the flow rates of the channels are independently controlled, the solutions are combined to form a multi-layer laminar flow structure, and the product is obtained through solidification in a coagulation bath, cleaning and drying. The application realizes high-density and high-stability functional integration in a single fiber.

This invention discloses a compound corrosion inhibitor for CO2 flooded oil recovery fluid and its preparation method, comprising the following steps: Oleic acid and a catalyst are weighed and added to a reaction vessel; the temperature is raised in stages using a programmable electric heating mantle; a water-carrying agent is added dropwise at 80-100℃, and diethylenetriamine or triethylenetetramine is added dropwise at 110-130℃, controlling the reaction temperature and time; after water separation, the reaction is further carried out at 200-230℃; subsequently, the system is cooled to 60-70℃, and a quaternizing reagent is added to react, respectively preparing corrosion inhibitor E and corrosion inhibitor S; finally, corrosion inhibitor E and corrosion inhibitor S are compounded in a certain proportion to obtain the compound corrosion inhibitor for CO2 flooded oil recovery fluid. This preparation method is simple and easy to implement, reducing costs; when the prepared corrosion inhibitor is applied to CO2 flooded oil recovery fluid corrosion inhibition, it exhibits excellent corrosion inhibition effect, greatly reducing corrosion hazards in CO2 flooded oil recovery applications.

The utility model relates to the technical field of nuclear power stations, in particular to an anti-deformation bracket for nuclear power station containment transportation. The nuclear power station containment transportation anti-deformation bracket comprises a truss and a supporting cushion frame. The truss comprises a plurality of main frame bodies, and the plurality of main frame bodies are sequentially connected end to end to form a main frame; the plurality of supporting pad frames are arranged at intervals, and are sequentially connected through the main frame; in every two adjacent main frame bodies, a first lifting lug is arranged on one main frame body, a second lifting lug is arranged on the other main frame body, the first lifting lug and the second lifting lug are connected through a first pin shaft after being matched, one of the first lifting lug and the second lifting lug is a single-side lifting lug, and the other one of the first lifting lug and the second lifting lug is a double-side lifting lug. The utility model provides an anti-deformation bracket for transportation of a containment vessel of a nuclear power station, which is used for preventing the containment vessel from being deformed in the transportation process.

The invention discloses modified high-carbon alloy steel and a preparation method and application thereof, and belongs to the technical field of high-carbon alloy steel for aluminum alloy forming dies. The preparation method disclosed by the invention comprises the following steps: carrying out electroslag remelting on a high-carbon alloy steel rod to obtain a casting blank; carrying out thermoplastic deformation on the casting blank to obtain a blank; the blank is annealed, so that carbides in the blank are eliminated or become fine particles, spherical graphite can be separated out, and the modified high-carbon alloy steel is obtained; the particle size of the fine particles is smaller than 10 microns. According to the method, coarse and large carbides which are difficult to eliminate in the high-carbon aluminum alloy forming die steel containing strong carbide forming elements such as Cr, Mo and V or medium-strong carbide forming elements are subjected to rapid and basic graphitization through a thermoplastic deformation and high-temperature graphitization combined process; the technical problem that carbide decomposition and graphite precipitation control are difficult to realize in the existing method is solved.

The invention discloses an axial flux permanent magnet synchronous reluctance motor rotor based on modular harmonic counteracting, the rotor is designed in a three-in-one mode of structure modularization, magnetic barrier gradient and phase computable dislocation, a rotor assembly is formed by splicing N fan-shaped rotor modules along the circumference, and the adjacent modules are provided with optimal dislocation angles calculated according to the harmonic counteracting principle. The sum of target harmonic magnetic field vectors generated by each module is zero; a U-shaped magnetic barrier array of which geometric parameters are monotonically changed in a gradient manner is arranged in the fan-shaped rotor module, and a permanent magnet group is embedded in the fan-shaped rotor module; main electromagnetic harmonic waves are offset from the source, magnetism gathering and resistance increasing functions are decoupled, the mechanical robustness and the electromagnetic performance of the motor are improved, meanwhile, overall machining is converted into standardized module assembling, the manufacturing cost and the maintenance difficulty are reduced, different motor pole numbers can be flexibly adapted, and the service life of the motor is prolonged. The method is suitable for high-end application scenes such as new energy automobiles, industrial driving and aerospace.

The application discloses a cavity filter, which comprises a cavity, an upper cover plate, a plurality of tuning screws, an input joint and an output joint. The cavity is divided into a plurality of resonant cavities which are open upward, and a resonant body is arranged in each resonant cavity. The resonant body comprises a resonant rod and a resonant column which are integrally formed. The first end of the resonant rod is integrally formed with the side wall of the resonant cavity, the second end of the resonant rod is cross-connected with the resonant column, and the resonant column extends up and down in the resonant cavity. The upper cover plate is arranged on the upper side of the cavity. The plurality of tuning screws are arranged on the upper cover plate and respectively extend into the plurality of resonant cavities. The bottom end of the tuning screw faces the resonant rod and is spaced from the resonant rod up and down. One side of the tuning screw faces the resonant column and is spaced from the resonant column. The input joint and the output joint are arranged on the side wall of the cavity and are respectively connected with one of the plurality of resonant rods. The application can greatly reduce the types and quantity of materials, simplify the manufacturing process, improve the production efficiency and reduce the cost.

The present application relates to the field of pharmaceutical preparations, in particular to a long-acting eye composite preparation for improving the symptoms of blepharitis. The preparation comprises a combination of two active ingredients in a therapeutically effective amount, and one or more ion-sensitive polymers or their complex systems, which are used to treat the symptoms of blepharitis caused by Demodex through a special double-cavity drug delivery bottle. By using a specific ion gel matrix concentration and regulating the viscosity of the drug solution before it reaches the eye, the limitations of traditional eye preparations are overcome, the retention time of the drug in the eye is prolonged, the bioavailability is improved, the probability of adverse events is reduced, and the medication compliance is increased.

The invention provides a candesartan cilexetil capsule and a preparation method thereof, and the candesartan cilexetil capsule is characterized in that each capsule contains candesartan cilexetil, lactose, corn starch, hydroxypropyl cellulose, carboxymethyl cellulose calcium, polyethylene glycol 8000 and magnesium stearate. According to the candesartan cilexetil capsule provided by the invention, the problem of stability of candesartan cilexetil is solved, the possibility of crystal transformation of common tablets in a tabletting process is reduced, and the characteristic dissolution curve of a final product is similar to that of a reference preparation; the preparation method is simple in process route, the fluidized bed one-step granulation method enables the loss to be less, the product yield is higher, and the industrial mass production cost is reduced.

The utility model relates to a kind of packaging devices with multi-face heat dissipation function.The packaging devices with multi-face heat dissipation function include: substrate, including the front and back of opposite distribution along first direction;Chip, attached on the front of the substrate, the chip includes the first surface towards the substrate and the second surface opposite with the first surface along the first direction;Multi-face liquid cooling heat dissipation structure, including upper cover, lower support and heat dissipation channel, the upper cover is located above the chip along the first direction, the lower support is at least located in the side of the chip and vertically connected with the end of the upper cover, the upper cover, the lower support and the chip form the heat dissipation channel, the heat dissipation channel is used to accommodate cooling liquid.The utility model realizes the multi-face liquid cooling heat dissipation of chip, increases the heat dissipation area of chip, enhances the heat dissipation performance of chip.

A display device is provided. The display device according to an embodiment includes a substrate including a plurality of pixel regions, and pixels respectively disposed in the plurality of pixel regions. The pixel includes a first electrode and a second electrode disposed on the substrate and disposed in the same layer, a light emitting element diode disposed on the first electrode and the second electrode, a third electrode electrically connected to the first electrode and one end portion of the light emitting element, a fourth electrode electrically connected to the second electrode and the other end portion of the light emitting element, and an electrode pattern disposed in the same layer as the third electrode and the fourth electrode.

The application belongs to the technical field of flexible conductive materials for medical rehabilitation devices, and discloses a semi-invasive antibacterial electric stimulation rehabilitation hydrogel flexible electrode, which is prepared from a PVA-CMC-Na-HA-calcium propionate four-element synergistic system hydrogel and is surface-modified by sodium L-lactate; a three-dimensional network is constructed through one-pot physical crosslinking, polyvinyl alcohol and sodium carboxymethyl cellulose form a hydrogen bond interpenetrating network, hydroxyapatite is used as a rigid filler for reinforcement, and calcium propionate simultaneously acts as an ionic crosslinking agent and an electrolyte; sodium L-lactate forms a hydrophobic-hydrophilic gradient layer on the surface of the hydrogel in situ through an esterification reaction. The application solves the problems of mechanical mismatch, high impedance, poor biocompatibility of traditional metal electrodes, and the difficulty of simultaneously considering the strength, toughness and lubricity of existing hydrogels, realizes the mechanical properties of strong outside and tough inside of the electrode, has excellent biocompatibility and low impedance electric stimulation performance, does not need external conductive paste, and improves the comfort and safety of pelvic floor muscle rehabilitation treatment.

The utility model relates to an injection molding assembly comprising a metal insert with a positioning cap, the injection molding assembly further comprises an injection molding material, the metal insert is coated in the injection molding material, and the injection molding assembly is characterized in that the positioning cap is made of a plastic material; the positioning cap is fixed at one end of the metal insert; at least one part of the positioning cap is coated in the injection molding material, and the appearance of the positioning cap is matched with that of the injection molding assembly. The utility model further relates to the injection mold.

Embodiments of the present application provide a three-dimensional memory. The three-dimensional memory includes a peripheral circuit chip and a memory array chip, the peripheral circuit chip includes: a first substrate; a first circuit element layer disposed on the first substrate and including a first device layer, the first device layer including a plurality of high-voltage transistors; a second substrate disposed on the first circuit element layer and in contact with the first circuit element layer; and a second circuit element layer disposed on the second substrate and including a second device layer, the second device layer including a plurality of low-voltage transistors; the memory array chip is disposed on the second circuit element layer.

The application provides an integrated connecting device with high integration, which comprises an integrated base and a first integrated plug assembly, a second integrated plug assembly, a third integrated plug assembly, a Luer assembly and a cable assembly installed on the integrated base. The application ingeniously integrates the originally independent MSD, the total positive terminal of the junction box, the total negative terminal of the junction box, the heating connector, the signal connector and other components into the same structure, so that the number of connecting devices is greatly reduced, the space is effectively saved, the manufacturing process is simple, the production and use costs are effectively reduced, and the economic value and use value are great.

This invention discloses a photovoltaic cell string manufacturing equipment, which includes a feeding mechanism, a ribbon feeding mechanism, a fixture loading and unloading mechanism, a welding mechanism, a coating and curing mechanism, and a cell string conveying mechanism. Through a traction mechanism and a robotic arm, multi-strand ribbons cut to the required process length and cell sheets are sequentially placed, allowing adjacent cells to be pre-welded into a cell string by the multi-strand ribbons on their front and back sides. In subsequent processes, adhesion points are coated on the front and back of the cell string, and curing thoroughly eliminates the risk of poor overlap. This eliminates the need for composite films and PAD points on the front and back of the cells, reducing shading on the photovoltaic cell surface and the use of silver paste, thus significantly reducing costs.

The utility model provides a vibrating diaphragm, which belongs to the technical field of vibrating diaphragms, and comprises at least one bonding layer, at least one side of each bonding layer is provided with a conductive layer, the connecting surface of the conductive layer and the bonding layer is a roughening treatment surface or a surface activation treatment surface, and the bonding layer and the conductive layer are in hot-pressing composite connection or bonding connection. According to the utility model, the bonding layer and the conductive layer are directly compounded, so that the requirement of bonding strength is met, the process is simplified, the problem of insufficient thickness of a magnetron sputtering coating can be effectively solved, and the negative influence of a glue bonding process on the compliance of the vibrating diaphragm can be avoided; therefore, the light weight of the planar diaphragm structure, the high sensitivity of the performance and the simplification of the manufacturing process are realized.

The invention discloses a preparation method of polyampholyte gel with adjustable strength and toughness, and belongs to the technical field of high-performance soft materials. The preparation method comprises the following steps: (1) carrying out copolymerization on a pre-polymerized aqueous solution of an anionic monomer, a cationic monomer and an initiator in a certain proportion under an ultraviolet lamp to obtain prefabricated gel; (2) soaking and balancing the prepared pre-polymerized gel in iron ion solutions with different concentrations to obtain gel balanced in iron ions; and (3) putting the gel balanced in the iron ions into a large amount of water for balancing and dialyzing to obtain redundant ions, and obtaining the polyampholyte gel with widely adjustable strength and toughness based on different repair degrees. The preparation method provided by the invention is simple, the strength and toughness of the prepared polyampholyte gel can be widely adjusted, and the polyampholyte gel has wide applicability and popularization value.

This invention discloses an integrated heat-dissipating plunger pump, comprising a crankcase, a crankshaft, a plunger, and a drive unit. A bearing is mounted on the crankshaft and housed within an mounting sleeve. An integrated heat-dissipating pulley is mounted on the outer side of the crankshaft and is connected to the drive unit. The pulley includes a pulley body, a groove, and a first inner cylinder. The key feature is that the pulley body contains first, second, and third guide vanes. Multiple first guide vanes are evenly distributed circumferentially to form a flow channel S2; multiple second guide vanes are evenly distributed circumferentially to form a flow channel S3; and multiple third guide vanes are evenly distributed circumferentially to form a flow channel S4. A flow channel S0 is formed within the mounting sleeve. When the pulley rotates, the airflow path is: crankcase inner cavity → flow channel S0 → flow channel S2 → flow channel S3, flow channel S4 → groove. This invention improves the integration and compactness of the plunger pump and enhances its heat dissipation effect.

The application relates to the technical field of polyolefins, and discloses a coordination precipitation polymerization method for olefin polymerization and a polyolefin, the method comprising mixing olefin monomers, a catalyst and an additive, and performing a polymerization reaction; the olefin monomers contain nonpolar monomers and polar monomers, the nonpolar monomers are selected from one or more than two of ethylene, alpha-olefins and internal olefins, and the polar monomers are selected from one or more than two of enol, unsaturated carboxylic acids and unsaturated carboxylic acid esters; and the catalyst is selected from a post-transition metal complex shown in formula (I). The application can eliminate the catalyst loading process, realize olefin homogeneous catalyst polymerization self-forming, and prepare polyolefins with good particle morphology.

The utility model belongs to the field of counterbalance forklift truck manufacturing, and particularly discloses a quick-release side plate welding structure of a counterbalance forklift truck, which comprises a front support, a rear support and a side plate welding part, the front support is mounted on a frame of the counterbalance forklift truck, the rear support is mounted on a rear column of the counterbalance forklift truck, the side plate welding part is hung on the front support and the rear support, and the side plate welding part is mounted on the rear column of the counterbalance forklift truck. And the lower part of the counterbalance forklift hood is pressed. The front fixing seat and the rear fixing seat of the side plate welding part are respectively provided with a clamping groove type structure with a large lower part and a small upper part, so that a three-point fixing type clamping groove structure design with a large lower part and a small upper part is realized, the side plate welding part is convenient to disassemble and assemble, the fixing structure is firm, a part of functions of a counterbalance forklift hood are replaced, the depth of the hood is reduced, and the service life of the hood is prolonged. The hood manufacturing process is simplified, the weight of the hood is reduced, the manufacturing cost of the whole machine is reduced, and the working efficiency of daily maintenance and repair of the counterbalance forklift is improved.

This invention belongs to the field of metal matrix composite material preparation technology, specifically relating to a zinc-based composite material, its preparation method, and its application, addressing the problems of insufficient mechanical properties and difficulty in uniformly dispersing nanoparticles in pure zinc materials. The zinc-based composite material comprises a zinc matrix and fine nano-ceramic particles. The nano-ceramic particles have a particle size of 50-99 nm and a volume fraction of 0.5-2 vol%, uniformly dispersed within the zinc matrix. The preparation method involves an in-situ exchange reaction to transfer coarse nano-ceramic particles from an aluminum carrier to the zinc matrix, dispersing and refining them to obtain a zinc-based composite material with fine nano-ceramic particles. This invention solves the technical problem in existing technologies where high-melting-point ceramic materials are prone to floating, agglomeration, or interfacial separation, resulting in difficulty in precisely controlling the particle size below 100 nm. It achieves a uniform distribution of the ceramic reinforcing phase below 100 nm, thereby improving the creep and mechanical properties of the zinc-based composite material.