▎ 摘　　要

NOVELTY - High-strength, high-conductivity, high-heat-resistance aluminum-based composition material comprises 0.01-0.09 wt.% reduced graphene oxide, 0.05-0.2 wt.% zirconium, 0.05-0.2 wt.% erbium, 0.008-0.01 wt.% titanium, greater than or equal to 0.07 wt.% iron, greater than or equal to 0.05 wt.% silicon, and aluminum (remaining amount). USE - The high-strength, high-conductivity, high-heat-resistance aluminum-based composition material is useful for splicing fittings (claimed). ADVANTAGE - The high-strength, high-conductivity, high-heat-resistance aluminum-based composition material: solves the problem of limiting the strength and heat resistance in the application process of series 1 alloy splice fittings, produces aluminum matrix composition produced by the casting method maintains electrical conductivity higher than 61% IACS, increases strength by more than 30%, and increases heat resistance to above 20-40 degrees C. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: (1) splice fitting made of a high-strength, high-conductivity, high-heat-resistant aluminum-based composition material; and (2) preparing an aluminum-based composition material, comprising (i) loading aluminum ingot into a furnace, and after the aluminum ingot is completely melted, incubating at 710-730 degrees C for 20-30 minutes, (ii) heating aluminum melt to 740-760 degrees C, adding aluminum-erbium and aluminum-zirconium intermediate alloys, and warming the melt for 10-30 minutes, (iii) blowing the reduced graphene oxide-copper powder into the aluminum melt by using argon, stirring while blowing until the powder blowing is completed, (iv) using argon gas to blow the 4AB type refining agent, adding refining agent is 1-1.2% of the mass of aluminum melt, (v) performing melt static insulation for 8-10 minutes, slag stripping treatment, removing out of the furnace, and casting ingot bar, (vi) cutting the ingot head and tail, turning the surface oxide scale, and then extruding deformation, and (vii) performing solid solution aging treatment on the extruded parts.