The structural part who consists of the material where two differs, casting technical process in order to produce the piston especially

摘要

(57) Abstract This invention the structural part who consists of the material where two differs, regards the casting technical process in order especially to produce the piston. The part which it should cast in order to achieve the satisfactory join strength with the basic material and the 2nd material, you propose that it provides chrome content formation with plating beforehand, it treats with continuation Al fin modulo.