abstract |
The invention relates to a method of manufacturing a piston for an explosion engine, said piston being formed of a one-piece metal part, characterized in that it carries out a heating of a billet to bring it to an intermediate temperature between its solidus temperature and its liquidus temperature, and in that it is shaped by thixoforging.The invention also relates to a piston (12) engine, consisting of a single piece metal part, characterized in that that it was manufactured by reheating a slug to bring it to an intermediate temperature between its solidus temperature and its liquidus temperature, followed by a shaping by thixoforgeage. |