A aluminum-based
alloy self-lubricating materials and method for making same relates to the technology for preparing composite
metal materials. Aimming at the evil of large gas cavity amount in aluminum-based
alloy self-lubricating materials, there is disclosed a aluminum-based
alloy self-lubricating materials and method for making same. Said scheme is as follows: selecing
aluminium alloy as a
basal body alloy, adding a slipping agent into the
aluminium alloy fused
mass, wherein said slipping agent is composed of one of
copper facing mineral carbon or one mixture of
copper facing mineral carbon and
copper facing carbon fabric or one mixture of copper facing mineral carbon and
nickel plating carbon fibre and is prepared through stirring-mixing, vacuum
outgassing and
casting, and the
basal body aluminium alloy comprises (based on
mass percent) Si of 6.5-9.0, Mg of 0.8-1.2, Mn of 0.1-0.5, Ti of 0.1-0.25, Zn of not more than 0.3, Fe of not more than 0.5, Cu of not more than 0.3, Ni of not more than 0.1, in which the allowance is Al. The weight of the added substance is 7-12%, 10-18% and 10-17 of the total weight of the aluminum-based alloy respectively when copper facing mineral carbon, the mixture of copper facing mineral carbon and copper facing carbon fabric and the mixture of copper facing mineral carbon and
nickel plating carbon fibre are adopted. There is less gas cavities existing in said material.