先进材料疑固实验室 Laboratory of Advanced Materials Solidification 1896 1920 1987 2006 Solidification of multi phase alloys(1) Dr.Mingxu Xia anced Mate 国 上浒充通大学 SHANGHAI JIAO TONG UNIVERSITY
1896 1920 1987 2006 Solidification of multi phase alloys (1) Dr. Mingxu Xia
先进材料疑固实验室 References Laboratory of Advanced Materials Solidification M.C.Flemings,凝固过程 W.Kurz,凝固原理 ©介万奇,凝固技术 A0V800 上浒充通大学 SHANGHAI JIAO TONG UNIVERSITY
References M.C.Flemings, 凝固过程 W.Kurz,凝固原理 介万奇,凝固技术
先进材料疑固实验室 OUTLINE Laboratory of Advanced Materials Solidification Solidification of Eutectics Coupled eutectic growth morphology Other eutectic morphologies Jackson-Hunt model for Regular eutectics Morphology control method for regular eutectics Model for irregular eutectics Competitive growth of eutectic and dendritic phases Coupled zone in binary alloy phase diagram Solidification of Peritectics Microstructure control through solidification method 上浒充通大学 SHANGHAI JIAO TONG UNIVERSITY
OUTLINE Solidification of Eutectics • Coupled eutectic growth morphology • Other eutectic morphologies • Jackson-Hunt model for Regular eutectics • Morphology control method for regular eutectics • Model for irregular eutectics • Competitive growth of eutectic and dendritic phases • Coupled zone in binary alloy phase diagram Solidification of Peritectics Microstructure control through solidification method
先进材料疑固实验室 Review Laboratory of Advanced Materials Solidification (1+2 maximum syntectic 2 peritectic 2+3 peritectic minimum monotectic E eutectic 7 a eutectoid peritectoid spinodal 6 1+a2 A Mole fraction B Fig.3.15 A hypothetical diagram displaying an array of possible invariant reac- tions in a binary alloy system.(After Rhines [5]). 上游充通大学 SHANGHAI JIAO TONG UNIVERSITY
Review
先进材料疑固实验室 Review Laboratory of Advanced Materials Solidification -Il Eutectic,Ill Hypoeutectic,IV Hypereutectic I1 N 400 A327.5 L 300 IL+8 231.9B 2 L+a 200- M 183 N 19 2 61.92 97.5 B 3 100 a+8 Pb 20 40 60 80 Sn W(%) Single Multi e Pure metal phase Phase(eutectics) 上浒充通大学 SHANGHAI JIAO TONG UNIVERSITY
Review -II Eutectic, III Hypoeutectic, IV Hypereutectic Pure metal Single phase Multi Phase (eutectics)