▎ 摘　　要

NOVELTY - Aluminum alloy bearing material comprises 95-98 pts. wt. aluminum, 0.02-0.03 pts. wt. hafnium, 2.6-3 pts. wt. copper, 0.6-0.8 pts. wt. manganese, 1.1-1.5 pts. wt. magnesium, 0.06-0.1 pts. wt. cetyltrimethylammonium bromide, 3-5 pts. wt. graphene oxide, 5-8 pts. wt. zirconium hydride, 0.5-0.7 pts. wt. barium, 0.63-1 pts. wt. hexachloroethane, 0.15-0.2 pts. wt. magnesium chloride, 0.23-0.26 pts. wt. steel residue powder, 0.24-0.3 pts. wt. sodium alginate, 0.25-0.4 pts. wt. barium calcium silicate, 0.55-0.8 pts. wt. nano-lanthanum hexaboride, less than or equal to 0.01 pts. wt. impurities and deionized water. USE - The aluminum alloy bearing material useful for automobiles (claimed). ADVANTAGE - The alloy bearing material is economical, has beautiful appearance, size precision, long service life, abrasion resistance, crack resistance and high practical value. The method is economical, consumes less energy and environmentally friendly. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing aluminum alloy bearing material, comprising (i) dissolving cetyltrimethylammonium bromide in 6-8 fold amount of deionized water, adding 10% of the total amount aluminum powder, ultrasonic dispersing for 20-30 minutes, magnetic stirring for 1 hour at room temperature, filtering, washing, drying, ultrasonically dispersing graphene oxide in 50 ml deionized water for 1 hour, adding aluminum powder into 100 ml deionized water, stirring to form aluminum powder slurry, adding oxidized graphene aqueous solution to aluminum powder slurry, continuously stirring until the color changes to colorless transparent, filtering and drying, (ii) adding sodium alginate into 3 times weight de-ionized water, stirring and heating to completely dissolve with hexachloroethane, magnesium chloride, steel residue powder, barium calcium silicate mixing in high-speed mixer, stirring at 1000 revolutions/minute for 10 minutes, feeding into granulator, extruding and granulating, feeding particle into the sintering furnace, at 10 degrees C/minute temperature rising speed sintering at 450 degrees C for 2 hour, taking out, cooling to room temperature and pressing into blocks, (iii) adding residual aluminum powder, hafnium, copper, manganese, magnesium, barium into planet ball mill, ball milling, under argon gas as protective atmosphere, ball milling for 4-5 hours, sieving by 400 meshes sieve, adding into melting furnace, heating to solid, stirring semi-solid aluminum-based metal and adding nano lanthanum hexaboride, heating the solid mixed slurry to liquid state mixed slurry, (iv) casting liquid slurry of step (iii) heating to 740-760 degrees C to refine, bell for pressing into the alloy liquid, moving uniformly horizontal rotating refining agent prepared in the step (ii), where refining time is 10-12 minutes, residue after allowing to stand for 10-15 minutes, adding foaming agent, zirconium hydride and stirring uniformly, mixing uniformly, pouring into foaming groove, foaming at 620-700 degrees C for 0.5-2 hours under protection of argon, (v) preheating mold at 220-300 degrees C, mixing step (i) mixture into step (iv) mold to obtain foaming alloy liquid pouring to the mold, casting at 650-680 degrees C and naturally cooling to room temperature to obtain the product.