KINETICS OF DISCONTINUOUS PRECIPITATION OF LIQUID PHASE IN A Cu –7.4 At.Pct. Sn ALLOY

The morphology and growth kinetics of discontinuous precipitation of liquid and depleted solid phases from a supersaturated solid solution has been studied. The transformation was carried out above the solidus temperature for the Cu-7.5 at.pct. Sn alloy with a superheating of up to 22 K. A lamellar structure consisting of alternate lamellae of the liquid and solute depleted α was observed to develop. The nucleation of the liquid droplets...