Thixo diecasting process for fabrication of thin-type component with wrought aluminum alloys and its formability limitation

The reheating conditions to the thixo diecasting process of wrought alloys were given as the control of reheating time and temperature. The reheating process to obtain of a globurized microstructure is performed by various heating step of repeatedly heating process with various temperature steps. The solid fraction and the mean diameter of the semi-solid material after the reheating process are measured by the image analysis. The various problems in fabricating thin wall component by the thixo diecasting process have been investigated with a wrought aluminum alloy. In order to investigate filling phenomena during the thixo diecasting process, the die for the fabrication of the thin-type component was used for this study. In the thixo diecasting process for wrought alloys, the cause of the internal defect phenomenon and microstructure are shown with experimental data.