| 摘要 |
PURPOSE:To provide the surface hardening method of Al material or Al alloy meterial capable of forming the hardened layer having excellent abrasive wear resistance, adhesive wear resistance and plastic deformation resistance. CONSTITUTION:Al material 1 for its surface to be hardened is shown and groove 2 is arranged on the surface to be hardened of Al material 1. A cladding metal 3 is filled in the groove 2, the cladding metal, which is a copper tube 4 filled with WC-17vol% Co5 as adbesive resistance material and then rolled to a plate, is used. The materials are charged in an electron beam welding machine and the cladding metal part 3 is irradiated with electron beam. The cladding metal part 3 is headed and melted by electron beam irradiation, as a result, the cladding alloy uniformly dispersed with adhesive resistance material in the matrix alloy, in which the intermetallic compound consisting of a copper of the tube 4 and Al and Al exist, is formed. |
