The invention discloses a forming method for a nano particle reinforced aluminum-based
composite material and belongs to the field of
metal casting forming. Nano
ceramic powder and micro size aluminumpowder or aluminum
alloy powder are prepared into mixed
powder with the nano
ceramic particle content being 3-10%, the mixed powder is mechanically mixed into composite powder in a seal tank under
argon protection, and the composite powder is hot-pressed into prefabricated blocks with the quality being about 150-200 g. The prefabricated blocks are melted after reaching about 750 DEG C, then mechanical stirring is conducted, and then high-energy supersonic vibration is conducted. Through ultra-low-speed laminar flow
pressure casting, a
composite material melt is pressed into a mold cavity of amold, mold opening is conducted for piece taking-out, and a nano
ceramic particle reinforced aluminum-based
composite material part with the
mass fraction being 3-10% is obtained. According to the forming method for the nano particle reinforced aluminum-based composite material, the forming technique is simple and easy to achieve, the effect is good, and the problems that in
casting, a
ceramic particle reinforced aluminum-based composite material with the high
mass fraction is large in
viscosity and poor in liquidity, and ceramic particles are easy gathered are solved.