90 results about "Magnalium" patented technology

The invention relates to the technical field of magnesium-aluminum alloy casting, and discloses a magnesium-aluminum alloy high-pressure casting rapid cooling and defect inhibition process which comprises the following steps: S1, mold preheating; s2, nitrogen replacement is conducted; S3, a release agent is sprayed to the interior of the cavity under the inert atmosphere; s4, magnesium-aluminum alloy molten metal with the temperature ranging from 650 DEG C to 700 DEG C is pressed into the cavity at the injection specific pressure ranging from 80 MPa to 120 MPa and the mold filling speed ranging from 5 m / s to 8 m / s; s5, a subarea cooling structure is designed based on the wall thickness difference of different areas of the casting, gradient cooling is conducted on the casting, in the cooling process, the hot train risk is judged by calculating a thermal stress value, and cooling medium parameters are regulated and controlled by calculating a cooling rate value; and S6, the casting is taken out. Traditional cooling is changed into a partition gradient type, defects are controlled according to a formula and AI, double-pipeline nitrogen is used for preventing oxidation, cost is reduced, and technical practicability and innovation are improved.

A portable information handling system housing portion is manufactured by a process that injects a magnesium aluminum alloy (Mg—Al) from a hot runner having plural outtakes into a mold having a spree at each of the plural outlets. In one example embodiment a housing lid portion is injection molded at a midpoint on opposing sides of a longest side of a rectangular shape. In another example embodiment a housing cover portion is inject molded from six sprues placed around a perimeter of a keyboard location having openings through which keys of the keyboard extend.

The utility model provides a magnesium-aluminum alloy die for an automobile plate. The magnesium-aluminum alloy die comprises an upper die frame, a lower die frame, a die core and a forming cavity, the utility model relates to the technical field of dies. By arranging the positioning mechanism, a screwing block can be rotated to drive a driving rod and a transmission disc to rotate around a bearing, when the transmission disc rotates, a transmission rod can be driven to rotate, the surface of the transmission rod extrudes the interior of a transmission groove, and two movable blocks can move towards the side close to a spring along tracks of sliding blocks and sliding grooves; during installation, the mold core is installed on the top of the lower mold frame by aligning the positions of the shell and the butt joint groove, the shell enters the butt joint groove, then the screwing block is loosened, elastic force generated by the spring can push the movable block and the positioning rod to move towards the side away from the spring, and then the mold core can be taken down. And the positioning rods enter the corresponding positioning grooves, so that the mold core is mounted, and the effect of facilitating replacement is achieved.

A novel environment-friendly building facade construction method comprises the steps that a modular prefabricated outer vertical panel is provided, the prefabricated outer vertical panel is made of a recyclable composite material, the composite material comprises, by weight, 60%-70% of regenerated cellulose, 20%-30% of environment-friendly resin and 5%-10% of a nano reinforcing agent, and a porous micro-nano structure is preset on the surface of the prefabricated outer vertical panel; the surface self-cleaning performance is enhanced; a light alloy frame is installed on the base face of the building outer wall, the light alloy frame is made of magnesium-aluminum alloy materials and fixed to the base face of the building outer wall through embedded expansion bolts, and the surface of the frame is coated with an environment-friendly anti-corrosion coating. According to the intelligent mechanical arm system, the multi-axis mechanical arm, the laser positioning module and the pressure sensor are integrated, the laser positioning module calibrates the installation position of a panel in real time through 532-nanometer green laser, it is guaranteed that the installation error is smaller than 0.5 mm in combination with precise control over 50-200-Newton contact force through the pressure sensor, and the construction precision is improved.

The application discloses a preparation method of modified high-strength magnesium-aluminum alloy wire, which comprises the following steps: weighing the following raw materials with the following weight percentages: Mg 3-5%, Cr 0.1-0.2%, Si 0.1-0.2%, Mn 0.1-0.15%, Y 0.02-0.05%, Gd 0.02-0.04%, and the rest is Al. The high-strength magnesium-aluminum alloy wire is made of Mg, Cr, Si, Mn, Y, Gd and Al raw materials as the matrix raw material of the wire, the raw materials are mutually matched and mutually enhanced, the overall performance of the matrix is improved, and then the oscillation modification treatment and the heat cycle improvement treatment are carried out, the strength performance and the elongation performance of the product are improved through the mutual coordination of the two, and the high-temperature stability performance of the product is obviously improved.

The application discloses a magnesium-aluminum alloy shell precision polishing device and relates to the technical field of metal processing.The magnesium-aluminum alloy shell precision polishing device comprises a servo motor and a grinding wheel, the output end of the servo motor is connected with a swing mechanism, the swing mechanism comprises a fixed seat and a swing seat, and the side wall centers of the fixed seat and the swing seat are both rotationally connected with transmission shafts.The knob is rotated to drive the half gears to rotate, the half gears are driven to rotate in opposite directions after being actuated, one of the half gears drives the swing seat to rotate, the swing seat drives the transmission shafts to adjust the axial positions, the U-shaped seat is swung, the worm always keeps the same axis as the transmission shafts on the swing seat, the worm is swung along with the swing of the transmission shafts to adjust the position of the grinding wheel, the grinding wheel is swung along the track of the arc, the arc surface of the grinding wheel is swung to polish, the fit degree during the polishing of the alloy shell surface is improved, and thus the polishing smoothness of the arc surface shell is improved.

The utility model belongs to the field of pump sleeves, particularly relates to a polishing-free magnesium-aluminum alloy pump sleeve, and aims to solve the problems that a user needs to take down a protective cover firstly when using a cosmetic bottle pump head every time, the step brings inconvenience to the user, use steps are increased, and the protective cover cannot be taken down easily in the use process of taking down the protective cover. In order to solve the problems of physical damage and shortening of the service life of the pump head due to the fact that the pump head is easy to fall and collide accidentally, the utility model provides the following scheme that the pump head comprises a pump head body and a protection mechanism in the process of operating the pump head body, and the protection mechanism is arranged outside the pump head body and used for wrapping and protecting the pump head body. When the cosmetic bottle pump head is used, the effects of protecting the pump head body and conveniently using the pump head body are achieved, the situation that the cover body needs to be taken down firstly when the cosmetic bottle pump head is used every time is avoided, and meanwhile in the using process, the situation that the pump head body is prone to accidentally falling off and colliding, and the service life of the pump head is shortened can be avoided.

The invention provides a continuous cast rolling method of 6061D high-silicon magnesium aluminum alloy, which comprises the following steps: preparing aluminum alloy raw materials in percentage by mass: 0.6-0.8% of Si, 1.0-1.2% of Mg, 0.5-0.7% of Fe, 0.2-0.4% of Cu, less than 0.14% of Mn, less than 0.22% of Zn, less than 0.14% of Ti, less than 0.14% of Cr, less than 0.15% of single other impurities, less than 0.15% of the sum of other impurities, and the balance of Al and other inevitable impurities; 2, the aluminum alloy raw materials prepared in the step 1 are subjected to continuous cast rolling at the temperature of 690-715 DEG C, the rolling force of continuous cast rolling is 15000-24000 kN, and the speed of continuous cast rolling is 0.5-1.0 m / min; and the aluminum alloy raw material obtained after continuous cast rolling is quenched at the flow rate of 100-160 l / s, and the water temperature is 16-60 DEG C. On the other hand, the invention provides cast rolling equipment which comprises a batching device; a smelting furnace; a cast rolling unit; provided is a rapid cooling device. Through the special components of the raw materials and the manufacturing process, the balance between the conductivity and the mechanical property is considered, and the crystallization time is short and the crack edge is small in the casting and rolling process.

The application discloses a magnesium-aluminum alloy semi-solid injection forming motor shell polishing device and method, and belongs to the technical field of metal surface polishing. The application aims to solve the problem that the existing polishing device is difficult to flexibly and uniformly polish the irregular outer contour of a motor shell. The device comprises a clamping mechanism for clamping the motor shell, a transverse feeding bearing mechanism arranged on one side of the clamping mechanism, a belt polishing transmission adjusting mechanism installed on the transverse feeding bearing mechanism, and a conformal supporting mechanism installed on the transverse feeding bearing mechanism and located in the inner side of the polishing belt. The belt polishing transmission adjusting mechanism has a polishing belt and a power element for driving the polishing belt to move along a circular path. The conformal supporting mechanism is used to realize the flexible conformal adhesion of the polishing belt to the complex outer contour of the motor shell, and the loosening and tension adjustment of the polishing belt is matched, so that the polishing uniformity and surface quality are effectively improved, and the phenomena of missed polishing and over-polishing are reduced.

This invention provides a surface treatment device for the inner cavity of magnesium-aluminum alloy products, including a tank. A servo motor is fixedly connected to the outer wall of the tank. A drive bevel gear is provided at the end of the output shaft of the servo motor. A rotating clamping device includes a rotating disk, two sliding blocks, and a mounting sleeve. The rotating disk is rotatably connected to the tank, and the mounting sleeve is fixedly connected to the center of the bottom surface of the rotating disk. A first bevel gear is fixedly connected to the outer wall of the mounting sleeve, and the first bevel gear meshes with the drive bevel gear. Two self-locking gas springs are installed on the bottom surface of the rotating disk. A flow pipe is rotatably installed at the bottom of the tank, passes through the mounting sleeve, extends above the rotating disk, and has nozzles arranged in an array along the outer periphery of the upper section of the flow pipe. This invention can stably and reliably clamp the workpiece and drive it to rotate, avoiding damage to precision structures caused by traditional rigid clamping. When the workpiece rotates, the flow pipe can rotate synchronously in the opposite direction, and grinding fluid, cleaning agent, and other media are sprayed from the nozzles to form a dynamic flushing coverage, improving spraying efficiency and better eliminating dead corners in the inner cavity surface treatment.

The invention discloses a magnesium-aluminum alloy two-way alternate casting forming method. The method comprises the steps that S1, alloy smelting and component regulation and control are conducted; s2, alternately setting casting parameters and casting for the first time; s3, alternate casting and interface control; s4, solidifying, cooling and demolding the casting; molten liquid components are monitored in real time through a spectrum analyzer in combination with a specific component detection function, and it is ensured that magnesium and aluminum alloy molten liquid components meet design requirements; the interface temperature is accurately controlled between two layers of alloy liquidus through temperature control, and good metallurgical bonding between magnesium-aluminum alloy layers is achieved; according to the solidification characteristics of the two alloys, a cooling speed function is set, internal stress concentration is effectively inhibited, and the occurrence rate of cracks, shrinkage cavities and other defects is reduced; by means of the function model of the total argon injection amount and the injection rate, the argon consumption and the argon injection rate are accurately calculated and controlled, hydrogen and inclusions in molten liquid are efficiently removed, argon waste is avoided, and the purity and the production economy are both considered.

The application relates to a commercial vehicle mixed material instrument beam and a manufacturing method thereof, wherein an aluminum alloy pipe beam cross section is polygonal; a steering column support and a main driver side front wall and a steering column integrated support support are formed by magnesium-aluminum alloy pressure casting, and are connected with the aluminum alloy pipe beam through FDS screws; a plastic support assembly is segmented injection molded, each segment comprises a support body and a plastic connecting ring connected with each other; an inner wall of the plastic connecting ring is provided with a cladding connecting surface for the outer surface of the aluminum alloy pipe beam; and the plastic connecting ring and the aluminum alloy pipe beam are pull-riveted. The above structure realizes that the stamping and welding process can be replaced by the FDS and pull-riveting processes, the production cost and steps are reduced; the plastic connecting ring increases the connecting area, directly contacts the aluminum alloy pipe beam through an opening during connection, and is riveted; the connecting strength is strengthened while installation and positioning are facilitated; the injection molding is performed in a segmented mode, the mold scale is reduced, and the injection molding process and cost are simplified.

The utility model discloses an automatic batching system for ladle magnalium castable, and relates to the technical field of ladle magnalium pouring, an anti-blocking rod is arranged on the upper surface of a first material box and the upper surface of a second material box in a penetrating manner, and the upper end of the anti-blocking rod is connected with a lifting plate; mounting plates are mounted on the front surface of the supporting plate and located below the first material box and the second material box, weighing weighers are arranged on the upper surfaces of the mounting plates, a discharging box is mounted on the upper surfaces of the weighing weighers, a first discharging seat is arranged in the discharging box, and a baffle is slidably mounted on one side of the discharging box. Through the arrangement of the mounting plate, the weighing weighbridge, the discharging box, a baffle, a guide block, an electric telescopic rod and a first discharging seat, discharging of the first material box and discharging of the second material box can be accurately weighed through the discharging box, and meanwhile the baffle can ascend and descend through work of the electric telescopic rod; and therefore, the purpose of automatically discharging the weighed different raw materials can be achieved, and the practicability is better.

This invention belongs to the field of thermal energy equipment technology, specifically a control method and system for a high-efficiency vacuum hot water boiler made of silicon-magnesium-aluminum alloy. The method integrates control parameters from the combustion status feedback signal output by the fully premixed furnace-free combustion control module, the heat exchange efficiency feedback signal output by the high-efficiency heat exchange regulation module of the silicon-magnesium-aluminum alloy, and the real-time vacuum monitoring data output by the vacuum negative pressure stabilization control module to form control commands, which are then transmitted. Simultaneously, the method performs parameter self-learning optimization and fault self-diagnosis based on the monitoring data. Based on this, the invention possesses fully intelligent functions for remote monitoring, remote operation, fault early warning, parameter self-adaptation, and remote operation and maintenance scheduling. It eliminates the need for 24-hour on-site maintenance personnel, significantly reducing manpower input, lowering operation and maintenance costs, and improving operation and maintenance efficiency.

The invention provides a high-strength high-toughness corrosion-resistant Al-Mg alloy material and a preparation method, the alloy material comprises a core layer and an edge layer, the edge layer is a pure aluminum layer, and the core layer is a high-magnesium aluminum alloy ingot; and the aluminum alloy material is obtained after three-stage homogenization treatment and rolling. The alloy material has high strength and excellent corrosion resistance, the intergranular corrosion weight loss is smaller than or equal to 3 mg / cm < 2 >, and the exfoliation corrosion rating is PB.

The utility model provides a vehicle part magnalium alloy mould, including lower mould, upper mould and forming cavity, said upper mould is located the top of lower mould, said forming cavity is opened in the top of lower mould, the inside of lower mould is provided with transmission groove, the inside of transmission groove is provided with ejection plate, the top of ejection plate is fixedly connected with the ejection rod, the ejection rod is connected with the top of ejection plate. The top of the ejector rod penetrates into the forming cavity. And the transmission mechanism is fixedly arranged on one side of the lower die. The utility model relates to the technical field of vehicle part machining. By arranging the transmission mechanism, the ejection rod can intermittently eject the formed vehicle part out, damage is avoided, meanwhile, when the ejection rod makes contact with the vehicle part, the ejection plate can move downwards under the influence of pressure, meanwhile, the buffer rod and the buffer block are driven to move downwards, the buffer block can extrude the spring, and through the counter-acting force of the spring, the vehicle part is prevented from being damaged. Therefore, the buffering effect is achieved.

The invention relates to the technical field of electroslag remelting metallurgy, in particular to an electroslag steel production process capable of reducing burning loss of boron alloy elements, slag charge comprises the following components in percentage by mass: 30%-50% of CaF2, 30%-45% of Al2O3, 10%-25% of B2O3, 8%-12% of BaO and 0.5%-1% of BN; before electroslag remelting, the slag charge is baked for 60-100 min at the temperature of 300-400 DEG C, the slag charge is added into an electroslag furnace within 30 min after baking is stopped, the adding amount is controlled to be 0.8-1.2% of the mass of the remelting consumable electrode, the consumable electrode is inserted into the electroslag furnace containing the slag charge, the slag charge is molten to form a slag pool through electrifying heating, the remelting process of the consumable electrode is completed, and in the remelting process, the slag charge is subjected to heat preservation for 20-30 min; magnesium-aluminum alloy powder is continuously added into the electroslag furnace, the adding amount is controlled according to 300 g / h to 500 g / h, and 300 g to 500 g of ferroboron alloy particles are added into the electroslag furnace every 20 min to 30 min. According to the method, the burn-out rate of boron in the consumable electrode is reduced to 10% or below.

The utility model belongs to the field of magnesium-aluminum alloy notebook shell parts, and particularly relates to a high-strength magnesium-aluminum alloy notebook shell part which comprises a magnesium-aluminum alloy notebook shell body. Through the arrangement of the supporting mechanism, the strength of the magnesium-aluminum alloy notebook shell body in use can be improved under the action of the supporting mechanism, the magnesium-aluminum alloy notebook shell body is prevented from being damaged and sunken when collided and falling off, and therefore the strength of the magnesium-aluminum alloy notebook shell body is improved, and the service life of the magnesium-aluminum alloy notebook shell body is prolonged. Under the action of the air bag, additional support can be provided in the magnesium-aluminum alloy notebook shell body, and meanwhile, the support can help to disperse pressure and reduce the risk of deformation of the magnesium-aluminum alloy notebook shell body caused by extrusion of external force, so that internal electronic components are protected, and the service life of the notebook shell body is prolonged. The inside of the shell of the magnesium-aluminum alloy notebook shell body is supported, and the deformation risk caused by extrusion of external force is reduced.

This invention belongs to the technical field of welding repair of magnesium and aluminum alloy cast blanks and machined parts for aerospace applications, and discloses a special reinforced protective nozzle for laser deposition repair of magnesium and aluminum alloys. The nozzle, from the inside out, comprises: an inner ring nozzle, a middle powder feeding nozzle, and an outer ring reinforced protective atmosphere nozzle; the inner ring nozzle is an inverted frustum with a coaxial laser through-hole in the center for the laser beam to pass through; the middle powder feeding nozzle is a conical annular frustum fitted outside the inner ring nozzle; the middle powder feeding nozzle has a powder flow channel running from top to bottom; the outer ring reinforced protective atmosphere nozzle is a conical annular frustum fitted outside the middle powder feeding nozzle; the upper end face of the outer ring reinforced protective atmosphere nozzle has an airflow inlet, the inner wall of the outer ring reinforced protective atmosphere nozzle and the outer wall of the middle powder feeding nozzle form an airflow channel, and a gap is provided between the inner wall of the lower end face of the outer ring reinforced protective atmosphere nozzle and the outer wall of the lower end face of the middle powder feeding nozzle to form an annular airflow outlet.

The utility model discloses a magnesium -aluminum alloy small piece synchronous punching device, including upper die holder and lower die holder, the lower die holder is fixedly installed with lower die plate, and the lower die plate is fixedly installed with lower clamping plate, and the both sides on the lower clamping plate are fixedly connected with upper beating plate through the limiting post, and the upper die holder bottom is fixedly installed with upper clamping plate, and the both sides of upper clamping plate are fixedly connected with upper die plate through upper pad, and the upper die plate moves up and down along the limiting post, and the center on the lower clamping plate is installed with lower die core, and the lower die core includes four bosses, and the both sides on every boss are respectively provided with positioning boss, and the bottom center of upper die plate is provided with upper die core, and the upper die core is provided with punching on every positioning boss, and the utility model discloses a magnesium -aluminum alloy small piece synchronous punching device, and the manual single hole taking and placing punching is changed, and the positioning form can be changed, and multiple holes can be punched simultaneously, and the small piece multiple die hole improves product yield and production efficiency, reduces manual labor, and simultaneously, the waste material connected punching is convenient to clean, and the processing time is reduced.

The application belongs to the technical field of magnesium / aluminum bimetallic part forming, and discloses a magnesium / aluminum bimetallic part warm spraying-thermal spinning integrated forming method and device. The method comprises the following steps: processing a magnesium alloy plate into a circular blank and arranging the circular blank on a main shaft of a spinning machine; forming a supersonic high-temperature flame; warm spraying and depositing aluminum alloy particles on the surface of the circular blank and synchronously heating and spinning the sprayed area; again warm spraying and depositing aluminum alloy particles, and heating and spinning simultaneously during the spraying and depositing to obtain a magnesium / aluminum bimetallic rotary part with a required coating thickness. The application can effectively improve the problem of serious mismatch of magnesium / aluminum alloy plastic deformation capacity when a coating is first sprayed and deposited and then hot spun, overcome the defects of poor interface organization performance and insufficient compactness of the sprayed and deposited aluminum alloy coating, and affect the corrosion resistance, and realize high-performance precise forming and manufacturing of the magnesium / aluminum bimetallic part.

We provide a magnesium-aluminum dual injection die-casting machine and injection system. [Solution] The magnesium-aluminum dual injection die-casting machine includes a die-casting machine body, an injection module, and a melting module, wherein the injection module is mounted on the side of the die-casting machine body so as to be aligned linearly with the die-casting machine body, and the melting module is provided perpendicular to the die-casting machine body so as to be connected to the injection module, and the magnesium-aluminum dual injection system uses the magnesium-aluminum dual injection die-casting machine described above.

The invention belongs to the technical field of alloy materials, and provides a lanthanum-samarium-containing light rare earth element magnesium-aluminum alloy and a preparation method thereof.The lanthanum-samarium-containing light rare earth element magnesium-aluminum alloy comprises, by mass, 7.0%-9.5% of Al, 0.85%-1.0% of Zn, 0.17%-0.4% of Mn, 1.5%-2.5% of LRE and the balance Mg and inevitable impurity elements, LRE is a light rare earth element, and LRE comprises La or Sm. According to the preparation method, the grain refinement effect of the magnesium-aluminum alloy is improved by adding a certain proportion of the zinc element, the manganese element and the cheap light rare earth element lanthanum or samarium into the magnesium-aluminum alloy, the high-strength and high-toughness alloy material is prepared through the preparation method, and meanwhile the purpose of saving the production cost is achieved.

The invention discloses a semi-solid forming process for a magnesium-aluminum alloy part of intelligent glasses. The process comprises the following steps: preparing an Mg-Al magnesium-aluminum alloy melt with specific components; preparing semi-solid slurry with the solid fraction of 30-50% at the temperature of 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 aluminum oxide-based lubricant; carrying out thixoforming by adopting a stepped pressurizing injection process; and finally, a formed part is subjected to integrated heat treatment of solid solution, deep cooling and aging. Through systematic cooperation of material component optimization, slurry homogenization preparation, precision forming and enhanced heat treatment, the technical problems of insufficient filling, coarse texture, non-uniform performance and the like during manufacturing of ultrathin-wall and complex-structure intelligent glasses parts by a traditional process are effectively solved, and high-precision, high-performance and high-consistency manufacturing of products is realized; the method is especially suitable for batch production of parts such as glasses frames and glasses legs.

The utility model discloses a sand core structure of a slender zigzag oil way, which comprises a slender sand core body extending along the oil way in the thin wall of an aircraft engine case, end supports are respectively arranged at two ends of the slender sand core body, and a plurality of auxiliary hole sand cores are connected to the outer wall of the slender sand core body along the length direction. Each auxiliary hole sand core points to the outer wall or the inner wall of the aircraft engine case and is embedded in the sand mold; the slender sand core body is formed by assembling a plurality of sections in the length direction, the opposite ends of the sections are connected in a lap joint mode through half tenons respectively, and paint is coated between the matching faces of the half tenons. And a central air hole is formed along the axis of the slender sand core body. The length of the sand core body is 400 mm or above, and the diameter of the sand core body is not larger than 6 mm. The problems of fracture and deformation of a thin and long oil way in a thin wall can be solved, the risks of suffocation and insufficient casting of the oil way of the magnesium-aluminum alloy casting are reduced, sand cleaning operation of workers is facilitated, and the casting yield is improved.

The utility model discloses a magnesium-aluminum alloy bayonet based on a basic sub-surface oxidation technology, and belongs to the technical field of cosmetic packaging. By improving the connecting structure of the clamping cover and the fixing ring, the clamping opening solves the technical problem that a traditional clamping cover needs to be completely taken down and is prone to being lost. Comprising the following steps: forming a compact oxidation film layer by adopting a magnesium-aluminum alloy clamping cover and a fixing ring through a basic sub-surface oxidation technology; the clamping cover is composed of a clamping cap, a clamping ring and an inner sliding ring. An inner sliding groove is formed in the inner wall of the clamping ring and matched with the inner sliding ring to achieve axial sliding. A buckle mechanism is arranged in the clamping ring and comprises a sliding block assembly with an inclined face inserting plate, and a sliding block is driven by a compression spring to be automatically clamped with a clamping groove in the outer wall of the fixing ring. The outer wall of the clamping cap is provided with a notch and a rotatable rotating strip, and the bottom end of the rotating strip is connected with a slider. The bayonet is mainly used for protecting a pump head of a cosmetic bottle body, the clamping cover can be pressed for use without being taken down through a sliding clamping structure, and meanwhile, the cosmetic ingredient corrosion resistance is remarkably improved through magnesium-aluminum alloy oxidation treatment.

The utility model provides a magnesium-aluminum alloy thin strip continuous rolling production device. The magnesium-aluminum alloy thin strip continuous rolling production device comprises a collecting assembly, the collecting assembly comprises a supporting seat, a groove is formed in the edge of the top of the supporting seat, a drainage pipe is fixedly connected to one side of the groove, and a first pump body is fixedly connected to the surface of the drainage pipe; the cleaning device comprises a supporting seat, a plurality of frame bodies arranged at equal intervals are fixedly connected to the surface of the supporting seat, a cleaning assembly and a transmission assembly are installed on the left side and the right side of each frame body correspondingly, a bearing roller is rotationally connected to the interior of each frame body, and an adjusting structure is installed on the portion, located on the upper side of each bearing roller, of the surface of the frame body; the magnesium-aluminum alloy thin strip continuous rolling production device has the advantages that the efficient self-cleaning function is achieved, and meanwhile sewage generated in the cleaning process can be recycled.

A light-emitting substrate and a backlight module are provided, the light-emitting substrate includes a base substrate; a metal wiring layer; a first planarization layer; an electrode layer; the electrode layer including a metal sub-layer and a conductive sub-layer stacked; material of the metal sub-layer include metal or metal alloy; the conductive sub-layer covers the metal sub-layer; a second planarization layer at a side of the electrode layer a functional device layer at a side of the second planarization layer and including a plurality of functional devices electrically connected to the electrode layer; the electrode layer includes a first buffer metal layer between the metal sub-layer and the conductive sub-layer; material of the first buffer metal layer is any one of or a mixture of more than one of molybdenum, molybdenum-niobium alloy, molybdenum-tungsten alloy, molybdenum-nickel-titanium alloy and molybdenum-magnesium-aluminum alloy.

To provide a magnesium secondary battery and a method for manufacturing a magnesium secondary battery that can suppress the formation of a passivation film even when magnesium metal is used as the negative electrode, thereby improving reproducibility and safety. [Solution] The device comprises a positive electrode having vanadium oxide (V2O5) or molybdenum oxide (MoO3) that has been nanostructured by mixing conductive carbon nanotubes, a negative electrode having a nanostructured magnesium-aluminum alloy (Mg-Al alloy) and a magnesium-graphene composite material in a nanosheet structure obtained by compounding graphene and magnesium in a solution process, and a water-soluble electrolyte containing nanoparticles disposed between the positive electrode and the negative electrode, wherein the positive electrode and the negative electrode are separated by a separator, and a nanobarrier film made of a porous polymer nanomembrane for suppressing passivation is sandwiched between the separator and the negative electrode.