The present status and application of semi-solid alloy rheocasting technologies were surveyed.The rheo-casting technologies and their future were described including semi-solid slurry preparation in the injection sleeve

the rheomolding process by a single screw

the rheomolding process by two screws

low super-heating inclined plate rheocasting

low super-heating pouring combining with weak mechanical stirring method

the continuous rheo-conversion process

low super-heating pouring combining with weak electromagnetic stirring

the serpentine channel pouring process

the melt spreading and mixing process

the rotating barrel rheomoulding machine process

the wave-like sloping plate process

rotating inclined cylinder rheomoulding process

the ultrasonic vibration process

the melt treatment and reversible electromagnetic stirring process

the sub-liquidus casting process

the swirled enthalpy equilibration device process

and the gas induced semi-solid process.