Semi-solid ZCuSn10 copper alloy billets were fabricated by strain induced melt activated method such as upsetting

forging stretching

cold rolling pre-deformation methods.The microstructure of semi-solid ZCuSn10 copper alloy billets prepared by three different pre-deformation methods was observed during remelting process.The results indicate that the semi-solid microstructure prepared by forging stretching and cold rolling exhibits desirable uniformity and spheroidization degree with an average grain size between 40～70 μm with remelting at 900 ℃for 15 min.The liquid deposition rate and spheroidization velocity of semi-solid billet prepared by forging stretching is faster

and the grain diameter of semi-solid billet prepared by cold-rolling is small.