In order to explore the feasibility of ZL114 A alloy forming by selective laser melting（SLM）

influences of process parameters on the morphology

surface quality and wetting angle of SLM forming o ZL114 A aluminum alloy were investigated. The results reveal that at a given scanning speed

the melting width is increased with the increase of laser power. When linear energy density is equal

melting width is equal. At a scanning speed of 2 500 mm/s and a power of 375～475 W

the track has the best continuity and ductility

and there exist a fewer defects such as spheroidization. With the laser power of 450 W

scanning speed of 2 500 mm/s

scanning interval of 0.09 mm and layer thickness of 50 μm

wetting angle and melting pool height are small

so wettability presents satisfy

and relative density of forming part reaches 99.94%.