▎ 摘　　要

NOVELTY - Preparing high-performance aluminum-based composite materials comprises using aluminum alloy plate, carboxylated graphene, polyvinyl alcohol, deionized water, anhydrous ethanol, argon gas, and diatomaceous earth mold release agent as chemical materials, and the combined preparation dosage is aluminum alloy plate with block, gram, milliliter, cm3 as the unit of measurement, where ZL101 Length 250 mmx width 150x height 6 mm solid block carboxylated graphene oxygen content 20.5 at.% solid powder 15 plus minus 0.1 g polyvinyl alcohol, (ethylene oxide)n solid powder 1260 plus minus 10 g deionized water, water liquid 100000 plus minus 500 ml absolute ethanol, ethanol liquid 5000 plus minus 50 ml argon gas, argon gaseous gas 2000000 cm3 plus minus 100 cm3 diatomite release agent liquid 100 plus minus 5ml. USE - The method is useful for preparing high-performance aluminum-based composite materials. ADVANTAGE - The method: has advanced technology, and accurate and informative data; has excellent internal density, no shrinkage and shrinkage defects; has fine and spherical grains; is evenly dispersed in the matrix and well integrated; and has tensile strength of the component is 385 Mpa, the elongation rate is 6.4%, the hardness is 113 HV. DETAILED DESCRIPTION - Preparing high-performance aluminum-based composite materials comprises using aluminum alloy plate, carboxylated graphene, polyvinyl alcohol, deionized water, anhydrous ethanol, argon gas, and diatomaceous earth mold release agent as chemical materials, and the combined preparation dosage is aluminum alloy plate with block, gram, milliliter, cm3 as the unit of measurement, where ZL101 Length 250 mmx width 150mmx height 6 mm solid block carboxylated graphene oxygen content 20.5 at.% solid powder 15 plus minus 0.1 g polyvinyl alcohol, (ethylene oxide)n solid powder 1260 plus minus 10 g deionized water, water liquid 100000 plus minus 500 ml absolute ethanol, ethanol liquid 5000 plus minus 50 ml argon gas, argon gaseous gas 2000000 plus minus 100 cm3 diatomite release agent liquid 100 mL plus minus 5ml. The preparation method is (i) (1) adding 42000 ml of deionized water to the polyvinyl alcohol storage tank, heating to 80 degrees C, adding 1260 g of polyvinyl alcohol, keeping the temperature for 1 hour and stirring, and cooling to room temperature to prepare polyvinyl alcohol solution after the polyvinyl alcohol is completely dissolved, (i)(2) polishing the surface of the five aluminum alloy plates with 2000 mesh sandpaper to make it clean, and cleaning the surface of the five aluminum alloy plates with absolute ethanol to make it clean, (i) (3) opening the surface treatment room, placing five aluminum alloy plates into the fixtures in the surface treatment room in sequence, numbered as first aluminum alloy plate, second aluminum alloy plate, third aluminum alloy plate, fourth aluminum plate from left to right alloy plate, fifth aluminum alloy plate, and closing the surface treatment room, (i) (4) opening the polyvinyl alcohol inlet valve on the polyvinyl alcohol storage tank, injecting the polyvinyl alcohol solution in the polyvinyl alcohol storage tank into the surface treatment chamber through the inlet pipe, so that all five aluminum alloy plates are soaked in the poly in vinyl alcohol solution, and closing the polyvinyl alcohol inlet valve, (i) (5) opening and adjusting a first thermostat in the surface treatment room to keep the temperature of the polyvinyl alcohol solution in the surface treatment room at 65 degrees C plus minus 2 degrees C, opening the ultrasonic vibration table in the surface treatment room after keeping warm for 10 minutes, stirring at constant temperature for 50 minutes, and closing the ultrasonic vibration table, (i) (6) opening the polyvinyl alcohol drain valve on the polyvinyl alcohol storage tank, drawing back all the polyvinyl alcohol solution in the surface treatment chamber into the polyvinyl alcohol storage tank through the drain pipe, and closing the polyvinyl alcohol drain valve, (i) (7) adding 42000 ml of deionized water to the deionized water storage tank, opening the deionized water inlet valve on the deionized water storage tank, and injecting the deionized water in the deionized water storage tank to the surface through the liquid inlet pipe in the treatment room, soaking all five aluminum alloy plates in deionized water, and closing the deionized water inlet valve, (i) (8) adjusting the first thermostat to keep the temperature of the deionized water in the surface treatment chamber at 55 degrees C plus minus 2 degrees C, turning on the ultrasonic vibrating table, vibrating and cleaning for 10 minutes, and closing the ultrasonic vibrating table and the first thermostat, (i) (9) opening the deionized water drain valve on the deionized water storage tank, drawing back the deionized water in the surface treatment chamber to the deionized water storage tank through the drain pipe, and closing the deionized water drain valve, (i) (10) opening and adjusting the dryer on the surface treatment room, keeping the temperature in the surface treatment room at 80 plus minus 5 degrees C, keeping warm for 25 minutes, and drying surface of the five aluminum alloy plates after surface treatment, (ii) (1) adding 15 g carboxylated graphene and 16000 ml of deionized water to the container, stirring for 45 minutes with ultrasonic vibration to prepare the carboxylated graphene dispersion, and adding the carboxylated graphene dispersion to the left sprayer and the right of the surface spraying chamber respectively spraying machine, (ii) (2) opening the surface treatment room and surface spraying room, using a monorail to transport the surface-treated first aluminum alloy plate from the surface treatment room to the surface spraying room, and closing the surface spraying room, (ii) (3) opening the second temperature controller in the surface spraying room to keep the surface temperature of the surface-treated first aluminum alloy plate at 88 plus minus 1 degrees C, and opening the left spraying machine and right spraying machine after holding for 13 minute, spraying the carboxylated graphene dispersion on the left and right surfaces of the first aluminum alloy plate after surface treatment through the nozzle of the left sprayer and the nozzle of the right sprayer, spraying pressure is 0.35 MPa, each spraying for 10 second, pausing for 25 second, the total number of spraying is 6 times, and closing the left sprayer and right sprayer after spraying, (ii) (4) adjusting the second thermostat to keep the surface temperature of the first aluminum alloy plate at 75 plus minus 1 degrees C, keeping it warm for 10 minutes, and closing the second thermostat, and (ii) (5) opening the surface spraying room, using a monorail locomotive to remove the first aluminum alloy plate after surface spraying from the surface spraying.