先进材料疑固实验室 Morphology control of crystals Laboratory of Advanced Materials Solidification Positive gradient Interface 70 dx >Latent heat is extracted from solid part. Undercooling >Moving of S/L interface (growth) manipulated by the heat conducting of solid. For substance with sharp interface Interface growth (facted morphololgy):crystal grows Growth of crystal through ledges extension.With x 1, Interface mnd AT,l,and grows as facted morphology with regular shape. 熟 上浒充通大学 SHANGHAI JIAO TONG UNIVERSITYMorphology control of crystals Positive gradient Latent heat is extracted from solid part. Moving of S/L interface (growth) manipulated by the heat conducting of solid. Interface growth Interface For substance with sharp interface (facted morphololgy)：crystal grows through ledges extension. With x , △Tk , υ，and grows as facted morphology with regular shape