Solidification  Definition  Thermo performance Conventional Nucleation Theory  Homogeneous nucleation  Heterogeneous nucleation

Heat transfer Mass transfer Commonalities among phenomena

Brief introduction Momentum transfer Energy transfer

Viscosity of liquid metal Surface and interface of liquid metal Fluidity of liquid metal Other properties of liquid metal

State of matter Brief introduction to liquid metal The structure of liquid metal

Macro & Micro thermodynamics Basic concept of statistical thermodynamics Entropy S Enthalpy H

Materials & Processing Human civilization and materials processing Modern materials processing Why solidification is important? What is solidification & casting? Course structure

1 熔池的凝固 2 焊缝的偏析 3 焊接接头组织 4 接头组织调控

1 焊接缺陷及分类 2 气孔 3 夹杂 4 裂纹

1 熔化焊接热源及温度场 2 焊接热循环 3 金属熔化及熔池形成