Patent ID: 6224989
Filing Date: 2001-05-01
Classification: B22F,B32B,F02F,Y10T

Abstract:
A cylinder block for an automotive engine, comprising:a sintered cylindrical body made of a first metal selected from the group consisting of Ni, Cr, Fe, and Ni-Cr alloy, the sintered cylindrical body having a plurality of pores;a powder of a second metal or metal oxide selected from the group consisting of TiO.sub.2, Cr.sub.2 O.sub.3, Mg, Ti, and Li dispersed into the pores of the sintered cylindrical body; anda cylinder block body disposed around the sintered cylindrical body while filling the pores of the sintered cylindrical body, the main body being made of a third metal comprising an Al-Si-Mg alloy and integrally formed with the sintered cylindrical body by an intermetallic compound by a reaction between the first metal, second metal and/or metal oxide, and third metal.