▎ 摘　　要

NOVELTY - Preparing carbon nanotube graphene powder reinforced tin-lead alloy comprises uniformly mixing nanotube powder and graphene powder according to mass ratio of 1:1 to prepare nanotube-graphene powder, blowing argon gas into the ultrafine carbon nanotube-graphene dry powder tin-lead alloy melt, generating reinforcing powder, mechanically mixing, modifying, refining, and casting to obtain nanotube-graphene powder reinforced tin-lead alloy material. USE - The method is useful for preparing carbon nanotube graphene powder reinforced tin-lead alloy (claimed). ADVANTAGE - The tin-lead alloy material: has improved wear resistance and strength, good structural stability, and improves conductive and thermal performance. DETAILED DESCRIPTION - Preparing carbon nanotube graphene powder reinforced tin-lead alloy comprises uniformly mixing nanotube powder and graphene powder according to mass ratio of 1:1 to prepare nanotube-graphene powder, blowing argon gas into the ultrafine carbon nanotube-graphene dry powder tin-lead alloy melt, generating reinforcing powder, mechanically mixing, modifying, refining, and casting to obtain nanotube-graphene powder reinforced tin-lead alloy material, and the method comprises (i) preparing carbon nanotube powder: taking aqueous nitrate solution containing metal calcium, magnesium, copper, aluminum, nickel, cobalt and water in a ratio of 1:1:1:1:1:1:11, uniformly mixing the nitrate solution, nitric acid and sodium hydroxide aqueous solution according to mass ratio of 1:1:1, filtering to obtain precipitate, then placing into a vacuum drying box at 550 degrees C, calcining for 18 hours, then ball milling in a ball mill to obtain 20 mu m superfine powder as a reaction catalyst, placing the prepared powder in a steel reactor, blowing mixed gas of propylene and nitrogen in a volume ratio of 9:1 into the steel reactor, where the pressure of the body is 0.05-0.3 Mpa, the gas flow is 0.4 m3/minute, taking nitrogen as diluent for adjusting the reaction speed and powder growth speed, reacting at 660 degrees C for 60 minutes to obtain carbon nanotube dry powder, and ball milling the dry powder for 24 hours to obtain superfine carbon nanotube dry powder, and (ii) uniformly mixing the graphene powder, alanine and graphite powder according to mass ratio of 1:1, ball milling for 24 hours to obtain uniformly mixed powder, in the ball milling process, using alanine for stripping graphite powder to obtain graphene, dispersing the graphene and alanine mixed powder in ethanol solution, dissolving the alanine, filtering to obtain graphene powder, placing the graphene powder in a vacuum drying box at 130 degrees C, drying for 18 hours to obtain dry powder of graphene, and ball milling the graphite powder for 24 hours to obtain graphene superfine dry powder.