▎ 摘　　要

NOVELTY - Aluminum-based composite material comprises 95-98 pts. wt. aluminum, 0.1-0.14 pts. wt. germanium, 1-1.2 pts. wt. manganese, 0.13-0.16 pts. wt. titanium, 0.3-0.35 pts. wt. copper, 0.04-0.06 pts. wt. lithium, 0.2-0.3 pts. wt. zinc, 0.06-0.1 pts. wt. hexadecyl trimethyl ammonium bromide, 3-5 pts. wt. graphene oxide, 5-8 pts. wt. zirconium hydride, 0.85-1 pts. wt. hexachloroethane, 0.4-0.6 pts. wt. calcareous shale, 0.24-0.3 pts. wt. sodium alginate, 0.2-0.4 pts. wt. calcium silicide, 2.3-2.4 pts. wt. silicon dioxide, less than or equal to 0.01 unavoidable impurities and deionized water. USE - The aluminum-based composite material is useful in automotive transmission gear (claimed). ADVANTAGE - The aluminum-based composite material: improves the casting process; improves industrial aluminum alloy comprehensive performance; meets the requirement of high transmission gear load, light weight and good toughness; and has low preparation cost. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing the aluminum-based composite material, comprising (a) magnetically stirring cetyl trimethyl ammonium bromide in deionized water (6-8 times) to dissolve for 1 hour at room temperature, adding 10% aluminum powder, ultrasonically dispersing for 20-30 minutes, washing, drying, adding graphene oxide into 50 ml deionized water to ultrasonic disperse for 1 hour, adding aluminum powder into 100 ml deionized water and stirring to obtain aluminum slurry, adding oxidized graphene aqueous solution to aluminum powder slurry, continuously stirring until colorless and transparent, filtering and drying (b) adding deionized water (3 times) into sodium alginate, stirring and heating to completely dissolve, adding calcium silicide and hexachloroethane, taking into a high speed mixing machine, mixing at a speed of 1000 revolutions per minute for 10 minutes, pelletizing, extruding and granulating, taking granules into a sintering furnace, heating to 450 degrees C at a rate of 10 degrees C/minute, for 2 hours, taking out and cooling to room temperature and pressing into blocks, (c) mixing residual aluminum powder, germanium, manganese, titanium, copper, lithium and zinc, taking into a planet ball mill for ball milling under the protective atmosphere of argon gas, ball milling for 4-5 hours, sieving via 400 meshes sieve, adding into a melting furnace to heat the solid, stirring the semi-solid aluminum base metal, adding silicon dioxide, heating the solid mixed slurry to a liquid state mixed slurry (d) heating the liquid slurry to 740-760 degrees C, refining, adding a refining agent, adding the block of the step (b), pressing into alloy liquid, horizontally rotating uniformly, refining for 10-12 minutes, allowing the slag to stand for 10-15 minutes, adding foaming agent and zirconium hydride, stirring uniformly, mixing, pouring into a foaming groove and foaming for 0.5-2 hours at 620-700 degrees C and (e) pre-heating the mold to 220-300 degrees C under the protection of argon, adding the mixture of the step (a) into the mold, adding foaming alloy liquid of the step (d), pouring into the mold, casting at 650-680 degrees C, and naturally cooling to room temperature.