Al-Si alloys have excellent casting properties and good processing properties. After modification and heat treatments

the mechanical properties and corrosion resistance of Al-Si alloys can be further improved

which are widely used casting aluminum alloys. However

the rapid development of rail transportation and aerospace has put forward higher requirements for the performance of Al-Si alloys. Squeeze casting Al alloy parts have the advantages of weak anisotropic

fewer casting defects and good mechanical properties

etc.

which have broad prospects for application in rail transportation and aerospace. The effects of（semi-solid） squeeze casting process parameters and heat treatment parameters on microstructural evolution and performance of squeeze casting Al-Si alloys were reviewed

which provided a reference for the preparation of high performance Al-Si alloys by squeeze casting in the future.