Conventional processing limits scalable production of superplastic Sn–58Bi alloys. #LaserPowderBedFusion offers an alternative, with in situ analyses identifying grain and phase boundary sliding as key deformation mechanisms.

Conventional processing limits scalable production of superplastic Sn–58Bi alloys. #LaserPowderBedFusion offers an alternative, with in situ analyses identifying grain and phase boundary sliding as key deformation mechanisms.