▎ 摘　　要

NOVELTY - Composite material comprises 92-95 pts. wt. aluminum, 0.05-0.07 pts. wt. actinium, 0.2-0.3 pts. wt. manganese, 2-2.5 pts. wt. iron, 0.1-0.2 pts. wt. boron, 0.2-0.25 pts. wt. molybdenum disulfide, 1.5-2 pts. wt. carbon, 0.3-0.35 pts. wt. magnesium, 0.05-0.1 pts. wt. hexadecyl trimethyl ammonium bromide, 4-5 pts. wt. graphene oxide, 6-10 pts. wt. zirconium hydride, 0.5-1 pts. wt. perchloroethane, 0.35-0.55 pts. wt. calcium silicide, 0.8-1 pts. wt. montmorillonite, 0.2-0.4 pts. wt. arabic gum, 0.3-0.5 pts. wt. magnesium oxide, 0.3-0.5 pts. wt. activated aluminum. USE - Composite material used for automobile. ADVANTAGE - Composite material is eco-friendly and suitable for industrial production in large scale. DETAILED DESCRIPTION - Composite material comprises 92-95 pts. wt. aluminum, 0.05-0.07 pts. wt. actinium, 0.2-0.3 pts. wt. manganese, 2-2.5 pts. wt. iron, 0.1-0.2 pts. wt. boron, 0.2-0.25 pts. wt. molybdenum disulfide, 1.5-2 pts. wt. carbon, 0.3-0.35 pts. wt. magnesium, 0.05-0.1 pts. wt. hexadecyl trimethyl ammonium bromide, 4-5 pts. wt. graphene oxide, 6-10 pts. wt. zirconium hydride, 0.5-1 pts. wt. perchloroethane, 0.35-0.55 pts. wt. calcium silicide, 0.8-1 pts. wt. montmorillonite, 0.2-0.4 pts. wt. arabic gum, 0.3-0.5 pts. wt. magnesium oxide, 0.3-0.5 pts. wt. activated aluminum, 2-2.5 pts. wt. proper de-ionized water and impurity not greater than 0.01. An INDEPENDENT CLAIM is included for a method for preparing composite material, which involves: (A) adding hexadecyl trimethyl ammonium bromide and dissolving with 6-9 times of deionized water; (B) adding 15 wt.% % aluminum powder and ultrasonic dispersing for 20-30 minutes, then magnetically stirring for 1.5 hours at room temperature, filtering, washing and drying; (C) adding graphene oxide into 60 milliliter deionized water to ultrasonic dispersing for 1 hour; (D) adding aluminum powder in 150 milliliter deionized water and stirring aluminum powder to forming slurry; (E) adding oxidized graphene aqueous solution to aluminum powder slurry and continuously stirring untill color changing into colorless transparent, filtering and drying; (F) adding arabic gum to 2.5 times de-ionized water, stirring and heating to completely dissolving and mixing hexachloroethane, calcium silicide, montmorillonite, magnesium oxide in high-speed mixer at speed of 1000 revolutions/minutes for 15 minutes and then transferring into granulator, extruding and granulating particle into sintering furnace at 8 degrees C/minute temperature then rising speed to 450 degrees C, sintering for 2.5 hours, taking out, cooling to room temperature and pressing into blocks; (G) mixing residual aluminum powder, actinide, manganese, iron, boron, carbon, magnesium, molybdenum in planet ball mill for ball milling under argon gas as protective atmosphere, ball milling for 4-5 hours and sieving by 400 meshes sieve; (H) adding to smelting furnace to heating to obtaining solid, stirring semi-solid aluminum base metal while adding activated alumina, heating solid mixed slurry to liquid state mixed slurry; (I) casting liquid slurry and heating at 760-770 degrees C to refining, preparing bell for refining agent in the alloy solution, and uniform horizontal rotational movement, the refining time is 10-15 min, slag after standing for 10-15 min, then adding foaming agent, zirconium hydride and stirring uniformly, mixing uniformly and pouring into foaming groove to foaming for 0.5-2 hours under 650-700 degrees C argon gas shield mold is pre-heating at 240-300 degrees C; and (J) mixing mixture preparing into mold to obtaining foaming alloy liquid and pouring to mold, where casting temperature is 650-700 degrees C, and naturally cooling to room temperature to obtain product.