68 results about "Semi solid" patented technology

The utility model discloses a kind of magnesium alloy semi-solid die-casting forming equipment, including slurry supply device, die-casting device and the forming die with forming cavity, slurry is supplied to pressure equipment after being supplied by slurry supply device, and the required magnesium alloy product is formed by being pressed into forming cavity by die-casting device, feature is that slurry supply device includes slurry preparation mechanism and ration supply mechanism, slurry preparation mechanism is sealingly connected by ration supply mechanism between die-casting device, slurry preparation mechanism is used to prepare magnesium alloy slurry of semi-solid from solid raw material, and the magnesium alloy slurry of semi-solid prepared by slurry preparation mechanism is ration supplied to die-casting device by ration supply mechanism. Advantage is simple structure, and it is convenient to obtain the magnesium alloy product with more excellent mechanical property.

The application belongs to the technical field of metal materials, and particularly relates to a kind of multi-element micro-alloyed Al-Zn series magnesium alloy for semi-solid injection and a preparation method thereof, which comprises the following steps: raw materials and pretreatment; vacuum induction melting and purification are carried out on the raw materials to obtain a melt containing multi-element micro-alloyed Al-Zn series; the melt is rapidly solidified and powdered to obtain petal-shaped magnesium alloy granules; the magnesium alloy granules are subjected to semi-solid injection molding to obtain a magnesium alloy molded part; the magnesium alloy molded part is subjected to special gradient heat treatment to obtain a magnesium alloy heat-treated part; and finishing treatment is carried out on the surface of the magnesium alloy heat-treated part. In addition, the application also prepares a multi-element micro-alloyed Al-Zn series magnesium alloy by using the above preparation method. The application realizes the synergistic improvement of strength-plasticity-corrosion resistance by constructing a unique grain boundary dispersed micro-tube core-shell structure and combining semi-solid injection molding and special heat treatment process.

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.

The application belongs to the field of magnesium alloy semi-solid injection molding, and specifically discloses a high-quality and high-efficiency magnesium alloy wheel hub semi-solid injection molding method. The method is implemented by using a semi-solid forming device with a material dispersion chamber, a grain spheroidization chamber, an injection chamber, a double-screw stirring shaft and a plunger pusher. The method comprises the following steps: adding raw material particles into the material dispersion chamber; controlling the temperature and the rotating speed of the stirring shaft in the material dispersion chamber, so that the raw material particles form premixed slurry in the material dispersion chamber; controlling the temperature and the rotating speed of the stirring shaft in the grain spheroidization chamber, so as to promote the spheroidization of the grains in the premixed slurry and form semi-solid composite slurry; opening the one-way valve on the plunger pusher, and transferring the slurry into the injection chamber; closing the one-way valve and controlling the stirring shaft to push the plunger pusher to move, so as to inject the slurry into the mold cavity. The application can solve the problems of high purity and mechanical property requirements and low production efficiency in the current wheel hub forming process.

The application discloses a kind of semi-solid aluminum alloy die-casting composite feeding device, it is related to the field of die-casting machine feeding device, including feeding device, injection chamber and push rod, the injection chamber outside is equipped with fixed shell, and fixed shell inner wall is equipped with storage cavity.The application can continuously stir semi-solid molten metal throughout the process by the cooperation of storage cavity and rotatable lifting stirring blade structure, effectively suppresses the stratification and specific gravity segregation problem of metal raw materials due to the difference in component proportion, keeps the internal composition of molten metal uniform and consistent at all times, avoids the drawbacks of traditional mechanical watch layer material taking, stabilizes the internal structure of casting, significantly improves the overall forming quality of product, the temperature control of heat supplement pipe and heat preservation layer outside storage cavity, the heat insulation shell outside feeding pipe and the high-temperature steam waste heat reuse structure of storage cavity are matched, realize the closed conveying of molten metal and whole process heat preservation, substantially reduce the heat loss in the process of material conveying and storage, reduce the heat supplement energy consumption.

The utility model discloses a kind of magnesium-based composite material forming equipment, it is related to composite material preparation technical field, including material pipe, main feeding mechanism, auxiliary feeding mechanism, heating assembly and main push assembly;Material pipe front end is communicated with the forming cavity of die casting mould, and the length direction of material pipe is spaced and provided with at least two feeding positions;Main feeding mechanism is fed into magnesium alloy matrix to material pipe rear end;Auxiliary feeding mechanism is movably arranged and is fed into the inner cavity of material pipe with carbon fiber powder in any one feeding position;Main push assembly is used to push magnesium alloy matrix forward, so that magnesium alloy matrix is melted to form semi-solid slurry under the heating action of heating assembly, and mixed with carbon fiber powder to form semi-solid composite slurry, then semi-solid composite slurry is pushed forward to the forming cavity and is die casting formed.This scheme can control the interface reaction degree of carbon fiber and magnesium alloy matrix, effectively avoid the generation of harmful interface, so as to obtain ideal interface bonding effect.

The application discloses a kind of flat type semi-solid continuous thixotropic extrusion sleeve forming methods, belong to metal semi-solid forming technical field.It includes the following steps (1) preheating;(2) initial station blank heating;(3) station movement;(4) die closing;(5) die opening;(6) demolding;(7) station repeats;The application is through the cooperation of upper rectangular plate, lower rectangular plate, male die, female die, translation mechanism, upper driving mechanism and lower driving mechanism, realize the thixotropic forming of the embryo in the multiple die holes on female die, extrusion process is stable controllable, semi-solid billet has no spatter risk;Gas inclusions in forming environment are less, can effectively avoid billet oxidation, finally obtain the sleeve parts of organization compact, excellent mechanical properties, improve sleeve forming efficiency and quality, semi-solid extrusion forming belongs to near net shape process, later cutting processing amount reduces by more than 60%, material utilization rate can reach more than 90%, significantly reduce raw material loss.

This invention relates to the field of metal material plastic processing technology, and discloses a stretching forming process for an aluminum back shell of a display. The process includes: coating the surface of an aluminum plate with a semi-solid hybrid gel lubricant conversion fluid, drying it to form a non-glassy semi-solid lubricant film; stamping a convex bulge and placing it in a pre-forming mold, using the shear modulus of the film and the elastic blank holder force of the mold for initial stretching; subsequently performing a secondary stretching to tighten the sidewalls, during which the phase change heat absorption of moisture in the film in the deformation heat accumulation zone is used to suppress overheating of the aluminum material; finally, assembly is completed by CNC machining, warm water cleaning, and homogeneous blind hole riveting. This invention achieves integrated forming of an all-metal back shell through the synergy of a semi-solid lubricant medium and a multi-stage stretching mold, eliminating heterogeneous interfaces and welding heat-affected zones, solving deep stretching cracks and surface orange peel defects, improving structural strength and anodized appearance consistency, and reducing manufacturing costs.

The present disclosure provides a base fixing assembly for semi-solid batteries and an ultrasonic welding device. The base fixing assembly for semi-solid batteries comprises a rack, a bottom clamping assembly and a side clamping assembly. The bottom clamping assembly is arranged at the bottom of the rack to fix the bottom clamping assembly to the rack. A positioning cavity is formed in the middle of the bottom clamping assembly. The side clamping assembly is arranged on one side of the bottom clamping assembly. The side of the side clamping assembly facing the positioning cavity is provided with a fixing groove. The fixing groove and the positioning cavity together form a mounting area. The mounting area is used to accommodate the semi-solid battery, so that the bottom of the semi-solid battery is fixed in the positioning cavity, and the side of the semi-solid battery is fixed in the fixing groove. The device adds the bottom clamping assembly and the side clamping assembly, which better ensures the reliable stability of the welding operation of the semi-solid battery in a high-frequency mechanical vibration environment, thereby improving the welding strength.

This utility model relates to a web-aligning device for BOPP film production, aiming to solve the technical problems of current web-aligning rollers driven by threaded rods, which not only have long response times and are prone to hysteresis errors at high speeds, but also cause local stretching of the film due to rigid impacts, resulting in wrinkles or holes. The device includes: a base with unwinding and take-up rollers mounted on both sides of its surface for unwinding and take-up of the BOPP film; and a web-aligning mechanism located on the base between the unwinding and take-up rollers. This utility model uses a monitoring component to capture the lateral deviation of the film in real time. The electromagnetic coil current can be adjusted in microseconds, causing a rapid change in the viscosity of the magnetorheological fluid in the corresponding cavity. This allows for stepless switching of the magnetorheological fluid from liquid to semi-solid state, causing the web-aligning roller to undergo adaptive deformation. When the deviation is small, the viscosity is finely adjusted to form a flexible corrective force; when the deviation is large, rigidity is increased to ensure web-aligning efficiency. Compared to traditional threaded rod mechanical transmission, this device shortens the hysteresis time and is suitable for high-speed film production scenarios.

The application relates to the technical field of alloy materials, in particular to a magnesium alloy and a preparation method and application thereof. The magnesium alloy contains, in percentage by mass, Al: 0.05%-0.12%, Zn: 0.005%-0.02%, Mn: 0.005%-0.03%, Fe: <=0.015%, Cu: <=0.005%, Ni: 0.15%-0.25%, Si: <=0.01%, Gd: 2.5%-3.2%, and the balance is magnesium and inevitable impurities. The first manganese source, the second manganese source and the pretreated manganese powder without the controlled release layer are constructed to have different controlled release layer structures, and are added in stages when the base melt is cooled to the semi-solid window, so that the manganese element is released in sequence, the obtained magnesium alloy has high compressive strength, excellent early pitting corrosion resistance and stable late dissolution rate, and is suitable for preparing the center tube or the cone of the soluble segmented fracturing bridge plug, and effectively solves the technical problem that the existing soluble magnesium alloy cannot simultaneously have stable pressure resistance in the early stage and uniform dissolution in the late stage.

The invention relates to the technical field of aluminum alloy semi-solid processing, and provides a semi-solid slurry flow guide device for aluminum alloy, which comprises a shell, the bottom of the shell is fixedly connected with a rack, one end of the shell is fixedly connected with a feeding pipe, the other end of the shell is fixedly connected with a discharging pipe, and a material shifting mechanism is arranged at one end, close to the feeding pipe, of the inner side of the shell. The material stirring mechanism comprises two rotating plates which are arranged in parallel, a plurality of material stirring plates are fixedly connected between the two rotating plates, a plurality of electric heating pipes are arranged between every two adjacent material stirring plates, a first support is fixedly connected to the outer side of the rack, and a first motor is fixedly installed at the top of the first support; a flow guide mechanism is rotationally connected to the middle of the inner side of the shell, a filter screen is fixedly connected to the end, close to the discharging pipe, of the inner side of the shell, a stirring mechanism is arranged on one side of the filter screen, and a cleaning mechanism is arranged on the other side of the filter screen. Through the innovative mechanism design, the key problem in the aluminum alloy semi-solid slurry diversion process is solved.

This invention discloses a multi-station injection semi-solid injection mold in the field of injection molding dies, including a lower mold, an upper mold, and a rotating motor. Three mold slots are provided on one side of the lower mold, and three cleaning slots are provided on the other side. Mounting side plates are welded to the sides of the cleaning slots, and triangular prism-shaped angle adjustment blocks are welded to the mounting side plates. Three cleaning electric push rods are bolted to the angle adjustment blocks. An L-shaped mounting bracket is welded to the bottom of the lower mold, and a mounting base plate is welded to the center of the mounting bracket. The rotating motor is located at the center of the mounting base plate. The upper mold is slidably connected to the top of the lower mold. The upper mold has vertically arranged top injection ports corresponding to the mold slots and cleaning slots, and side injection ports are obliquely downwards on the sides of the upper mold. This invention allows for cleaning of the other half of the mold while one half is being processed, making it convenient to use, delaying the solidification time of the semi-solid raw material, and enabling the mold to process larger workpieces.

This application provides a method for constructing a slag-coating wall in a submerged arc furnace. The furnace wall comprises: a furnace shell with an internal accommodating space; a water-cooled wall located on the inner wall of the accommodating space within the furnace shell; a slag-coating layer located on the side of the water-cooled wall away from the furnace shell; and a semi-solid protective layer located on the side of the slag-coating layer away from the water-cooled wall. Both the slag-coating layer and the semi-solid protective layer are formed by the cooling of molten material within the furnace upon contact with the water-cooled wall. The molten material includes molten slag and molten metal, and the slag-coating layer is directly attached to the surface of the water-cooled wall. This application, through the above structure, enables the molten material to spontaneously form a continuous slag-coating layer and a semi-solid protective layer radially on the surface of the water-cooled wall, thereby effectively isolating the high-temperature molten material from direct erosion of the metal structure and significantly improving the furnace wall's erosion resistance.

This utility model belongs to the field of hazardous waste storage technology and discloses a semi-solid hazardous waste storage device, including a storage tank, a chassis below the storage tank, a guardrail on the top of the chassis, the storage tank being enclosed within the guardrail, a support assembly at the bottom of the chassis, a handrail at the top of the chassis, and a filling port at the top of the storage tank. The support assembly includes a support frame arranged around the bottom of the chassis, and a buffer vibration assembly located at the bottom of the chassis is connected to the upper end of the support frame. With the aid of wheels, this utility model facilitates short-distance transfer of the storage tank and the semi-solid hazardous waste it contains by workers using the chassis. The brake pads lock the wheels, and the buffer vibration assembly provides timely reset of the chassis and storage tank after vibration, thereby improving the compactness of the filling through vibration.

The application provides a method for removing low-melting-point eutectic impurities in high-conductivity pure aluminum material and relates to the technical field of deep impurity removal of pure aluminum material. The removing method comprises the following steps: heating to a predetermined temperature to obtain semi-solid pure aluminum material; heat preservation of the semi-solid pure aluminum material at the predetermined temperature to obtain semi-solid pure aluminum material containing low-melting-point impurity-containing liquid phase; and supergravity separation and purification treatment, wherein the low-melting-point impurity-containing liquid phase is subjected to directional migration under the action of a supergravity field and is separated from the solid phase to obtain high-conductivity high-purity aluminum solid phase material and aluminum material containing low-melting-point impurities. The application can effectively overcome the influence of capillary action, strengthen solid-liquid separation, is simple and easy to operate, low in cost and energy consumption, high in efficiency, and beneficial to industrial large-scale production and popularization.

This invention relates to the field of coating preparation, specifically to a method for preparing a wear-resistant coating on the surface of a ball valve core based on hot-dip plating and rotary extrusion. The method includes: cleaning and preheating the ball core substrate; heating a self-fluxing alloy material to a molten state to obtain a plating solution; clamping the ball core substrate with a fixture, immersing the lower half of the ball core substrate in the plating solution; wherein, at a position where the ball core substrate detaches from the plating solution surface, a contouring extrusion roller matching the curvature of the outer spherical surface of the ball core substrate is arranged, maintaining a rigid gap between the contouring extrusion roller and the ball core substrate; the ball core substrate rotates uniformly around its own axis, skimming over the plating solution surface, and the adhering plating solution forms a semi-solid coating before reaching the rigid gap due to the supercooling of the ball core substrate; the semi-solid coating is radially extruded by the contouring extrusion roller during its passage through the rigid gap, and after air cooling, a wear-resistant coating is obtained. This invention overcomes gravity flow, eliminates the secondary sintering process, and achieves coating densification and precise contouring during immersion plating.

This invention provides a straw-pressing bottle, relating to the field of press container technology. It includes a bottle body, a pressing head at the bottle opening, and a straw connected to the pressing head. A disc-shaped base is fixed to the end of the straw. The diameter of the disc-shaped base is larger than the outer diameter of the straw but smaller than the inner diameter of the bottle body. The bottom surface of the disc-shaped base has a contact surface with a curvature matching the inner surface curvature of the bottle body's bottom. The disc-shaped base has a hollow buoyancy cavity inside, the volume of which is configured to provide buoyancy for the semi-solid material in the bottle, allowing the disc-shaped base to float above the surface of the semi-solid material. The straw is made of a flexible material and has a bending allowance to float with the disc-shaped base. This invention, through the coordinated design of the disc-shaped base and the flexible straw, enables the straw end to automatically follow changes in the liquid level of the semi-solid material, effectively sealing and concentrating the semi-solid material, significantly reducing residue inside the bottle, and improving dispensing efficiency and user experience.

This invention belongs to the technical field of aluminum alloy precision casting manufacturing processes, specifically relating to a low-pressure filling semi-solid pressurized solidification device and preparation method for aluminum alloy compartment metal molds. Using the device and preparation method of this invention, high-strength, low-gas-emission integral ceramic sand cores can be prepared. The gas emission of the core is reduced from 30 ml·g compared to traditional furan self-hardening resin sand and PEP-SET self-hardening resin sand. ‑1 The above was reduced to 18 ml·g ‑1 The present invention, by arranging built-in oil-heat circulation pipes, top-mounted hydraulic cylinders, and hydraulic cylinder bearing blocks in a metal mold, can perform pressure solidification of the alloy melt in a semi-solid state, significantly eliminating porosity defects caused by insufficient feeding or high gas content during the solidification process of aluminum alloy compartments; and by embedding built-in water-cooled circulation pipes in the metal mold, the as-cast microstructure of the aluminum alloy compartments is significantly improved.

This application relates to the field of target technology and provides a method for casting aluminum targets, comprising: melting aluminum raw materials to form aluminum liquid, and then sequentially refining and filtering the aluminum liquid; performing semi-solid casting on the filtered aluminum liquid to cast an aluminum target; wherein the semi-solid casting process includes a pre-steady-state stage and a steady-state stage; the parameters of the semi-solid casting process change in the pre-steady-state stage, and the aluminum liquid is subjected to ultrasonic treatment in the pre-steady-state stage; the parameters of the semi-solid casting process do not change in the steady-state stage, and the aluminum liquid is subjected to ultrasonic treatment and electromagnetic stirring treatment in the steady-state stage. This application achieves grain refinement of high-purity aluminum (mass purity > 99.999%) targets using a semi-solid casting process.

A method for manufacturing a porous aluminum alloy carbon composite material and a porous aluminum float is disclosed. The manufacturing method includes: melting an aluminum alloy material to form an aluminum alloy molten metal; controlling the working temperature of the aluminum alloy molten metal to maintain it in a semi-solid state; adding ceramic powder to the semi-solid aluminum alloy molten metal; adding carbon material to the semi-solid aluminum alloy molten metal; stirring the semi-solid aluminum alloy molten metal to uniformly disperse the ceramic powder and carbon material in the semi-solid aluminum alloy molten metal; injecting gas into the semi-solid aluminum alloy molten metal to form a semi-solid aluminum alloy molten metal containing gas foam; and solidifying the semi-solid aluminum alloy molten metal containing gas foam into a porous aluminum alloy carbon composite material filled with several incompletely interconnected pores, which serves as a porous aluminum float. When the carbon material is carbon fiber, the higher the weight percentage of carbon fiber, the greater the compressive strength; and the higher the preheating temperature of the carbon fiber pretreatment, the greater the compressive strength.

This invention discloses a high-strength, high-toughness, and lightweight aluminum alloy die-casting part and its preparation method, belonging to the technical field of pressure casting. The method includes: preparing a metastable aluminum alloy melt containing immiscible components such as bismuth and lead through compositional design; subsequently, injecting the melt into a mold, using high-frequency impedance and infrared sensing technology to monitor the solid fraction in real time and accurately determine the semi-solid critical window; within this window period, simultaneously applying ultrasonic mechanical oscillation and pulsed thermal extraction treatment through an intelligent hollow extrusion pin, utilizing the cavitation effect to break coarse bismuth-lead droplets to the nanoscale and freeze them in situ at the grain boundaries. The resulting die-cast part has a rigid framework phase that ensures static yield strength; the nanoscale energy-absorbing phase pinned to the grain boundaries undergoes instantaneous melting and energy absorption under the adiabatic heating generated by high-speed collisions, inducing grain boundary slip and achieving a nonlinear leap in impact toughness. This achieves a fundamental decoupling of strength and toughness in large, thin-walled structural parts under the premise of extreme lightweighting.

The application discloses a kind of semi-solid forming processes of high-performance thick-wall magnesium alloy, and semi-solid magnesium alloy slurry is implemented die casting using die casting forming device;The die casting forming device includes die casting forming die and clamping pressure mechanism;The clamping pressure mechanism includes elastic support mechanism, left pressure plate, right pressure plate and clamping drive mechanism;When implementing die casting, punch downward pressure will compress elastic support mechanism and make die casting forming die move down;And die casting forming die moves down, triggers clamping drive mechanism to drive left pressure plate, right pressure plate mutually close along left and right direction, so that left pressure plate, right pressure plate implement left and right clamping pressure to semi-solid magnesium alloy slurry in forming cavity.The application can implement left and right clamping pressure to semi-solid magnesium alloy slurry in forming cavity when punch implements die casting to semi-solid magnesium alloy slurry in forming cavity, and then can eliminate shrinkage hole, shrinkage and other problems, improve the efficiency and effect of magnesium alloy semi-solid die casting.

A method for preparation of a magnetic liquid metal includes: 1) placing A parts by weight of a liquid metal in a container; 2) placing B parts by weight of a metal powder in the container; 3) adding an acidic solution into the container until the liquid metal and the metal powder are submerged; 4) stirring until the liquid metal and the metal powder are sufficiently mixed; and 5) adding water for cleaning the acidic solution, to obtain the magnetic liquid metal by removing the acidic solution. The viscosity and stiffness of the prepared magnetic liquid metal can quickly respond to the stimulus from an applied magnetic field, and a reversible change from liquid to semisolid or solid exists. With a change in magnetic field strengths, the Young's modulus can be regulated in a range from the level of kPa to the level of MPa.

The application provides a kind of corrosion-resistant magnesium alloy for marine atmospheric environment and a preparation method thereof, and belongs to the field of magnesium alloy material preparation.The chemical composition of the magnesium alloy is as follows in terms of mass percentage: 6.0-6.5% of Al, 1.3-1.5% of Y, 0.3-0.5% of Zn, 0.05-0.1% of Mn, 0.1-0.12% of Sr, and the balance of magnesium and inevitable impurities.The application alloys the magnesium-aluminum alloy by the combined addition of Y, Zn, Mn and Sr elements, suppresses the micro-galvanic corrosion of the magnesium alloy, improves the protection ability of the surface film, and increases the corrosion resistance of the magnesium-aluminum alloy in the marine atmospheric environment.The preparation of the above magnesium alloy adopts semi-solid forming, the process is simple, suitable for industrial production, and the prepared product has a compact structure, reduced defects and excellent service performance.

The application provides a high-temperature liquid ferroalloy continuous granulation forming process and belongs to the technical field of granulation forming of ore smelting furnaces, solves the problem that the traditional large ingot mold casting process seriously restricts the development of the industry, and the application comprises a ladle, a holding furnace, a first-stage water-cooling rolling way, a second-stage rolling forming rolling way, a third-stage self-cooling rolling way, a fourth-stage spiral rolling way, a spraying water-cooling system, a first-stage air-cooling drying system, a second-stage dehydration drying system, a third-stage air-cooling drying system, an intermediate storage bin, a finished product storage bin, a finished product packaging system; the high-temperature liquid ferroalloy is shaped after temperature adjustment in the holding furnace and is preliminarily cooled after length cutting; the high-temperature liquid ferroalloy forms a semi-solid alloy, the semi-solid alloy is sequentially subjected to shape strengthening in the second-stage rolling forming rolling way to form alloy particles; the alloy particles are cooled and dried and finally sent out. The application realizes integrated production from high-temperature metal liquid to solid qualified products and improves the finished product rate of products.

The application discloses a kind of additive-semi-solid strengthening-subtractive laser synchronous processing method and device, comprising: the first time required for target material to be cooled from molten state to semi-solid and the second time required for target material to be cooled from semi-solid to completely solid are obtained;According to the preset relative motion speed of processing path, the first time and the second time, the first spacing between continuous laser additive head and pulsed laser strengthening head and the second spacing between pulsed laser strengthening head and pulsed laser subtractive head are calculated and set respectively;In the process of processing, the real-time temperature and real-time width of semi-solid zone when the molten pool area formed by continuous laser additive head moves to the position under pulsed laser strengthening head are collected in real time;Based on the real-time temperature and real-time width of semi-solid zone, the real-time viscosity of semi-solid zone is calculated through the built-in viscosity derivation model.The method and device of the application improve the processing efficiency, mechanical properties and process consistency of parts.

The application discloses a semi-solid forming process of a magnesium-aluminum alloy component of intelligent glasses, and the process comprises the following steps: preparing a Mg-Al magnesium-aluminum alloy melt with specific components; preparing a semi-solid slurry with a solid phase rate of 30-50% at 610-630 DEG C through composite electromagnetic stirring of a rotating magnetic field and a traveling wave magnetic field; preheating a mold and spraying a nano-alumina-based lubricant; adopting a stepped pressurization injection process for thixotropic forming; and finally, performing integrated heat treatment of solid solution, deep cooling and aging on the formed piece. Through systematic cooperation of material component optimization, slurry homogenization preparation, precision forming and strengthening heat treatment, the application effectively solves technical problems such as insufficient filling, coarse structure and uneven performance of traditional processes in manufacturing ultra-thin-wall and complex-structure intelligent glasses components, realizes high-precision, high-performance and high-consistency manufacturing of the products, and is particularly suitable for batch production of components such as frames and legs.

This invention discloses a high-strength magnesium alloy composite structural component and its preparation method. The component is composed of a wrought magnesium alloy insert and a semi-solid injected magnesium alloy matrix, forming a diffusion-metallurgical bonding interface between them. The preparation method includes: cleaning and micro-roughening pretreatment of the wrought magnesium alloy insert; preheating the insert to 250°C to 50°C below the solidus temperature under a non-oxidizing atmosphere; preparing a semi-solid slurry with a solid fraction of 30%~90% from the magnesium alloy raw material, and injecting it into the mold cavity of the pre-placed insert under a protective atmosphere; after pressure solidification, opening the mold, removing the component, and performing post-processing. This invention utilizes the mechanical crushing effect of the semi-solid slurry on the pre-oxidized layer on the insert surface to achieve a strong metallurgical bond, significantly reducing shrinkage cavities, residual stress, and deformation, while retaining the high strength and high toughness of the wrought magnesium alloy, making it suitable for lightweight thick-walled structural components.

The application discloses a semi-solid thixotropic die casting forming method of a narrow solid-liquid two-phase zone alloy, and comprises the following steps: step one: the narrow solid-liquid two-phase zone alloy is added into a heating device and heated to a superheating temperature, and after complete melting, the alloy is cooled for a certain time to obtain an alloy blank with a cast structure; step two: the alloy blank is added into an extrusion device to complete cold extrusion, and an alloy blank containing high-density dislocations and lattice distortion structures is obtained; step three: the alloy blank is heated for the first time, the heating temperature is set between a recrystallization temperature and a solidus temperature of the alloy, and isothermal heat treatment is carried out to obtain fine and uniform recrystallized grains; step four: the alloy blank is heated for the second time, the temperature is set above the solidus temperature of the narrow solid-liquid two-phase zone alloy, and isothermal heat treatment is carried out to obtain a semi-solid blank; and step five: the semi-solid blank is subjected to die casting forming. The application has the advantages that excellent castings with physical properties are formed.