材料热力学与动力学_4

1、Chapter 4: Solidification,4-1,Chapter 4: Solidification,4-2,4.1 Nucleation in Pure Metals,Chapter 4: Solidification,4-3,4.1.1 Homogeneous Nucleation,Chapter 4: Solidification,4-4,4.1.1 Homogeneous Nucleation,Chapter 4: Solidification,4-5,4.1.1 Homogeneous Nucleation,Chapter 4: Solidification,4-6,4.1

2、.1 Homogeneous Nucleation,Chapter 4: Solidification,4-7,4.1.2 Homogeneous Nucleation Rate,Chapter 4: Solidification,4-8,4.1.3 Heterogeneous Nucleation,Chapter 4: Solidification,4-9,4.1.3 Heterogeneous Nucleation,Chapter 4: Solidification,4-10,4.1.3 Heterogeneous Nucleation,Chapter 4: Solidification,

3、4-11,4.1.3 Heterogeneous Nucleation,Chapter 4: Solidification,4-12,4.2 Growth of a Pure Solid,Chapter 4: Solidification,4-13,4.2.1 Continuous growth,Chapter 4: Solidification,4-14,4.2.2 Lateral growth,Chapter 4: Solidification,4-15,4.2.2 Lateral growth: surface nucleation,Chapter 4: Solidification,4

4、-16,4.2.2 Lateral growth: spiral growth,Chapter 4: Solidification,4-17,4.2.2 Lateral growth: twin intersections,Chapter 4: Solidification,4-18,4.2.3 Heat flow and interface stability,Chapter 4: Solidification,4-19,4.3 Alloy Solidification,liquid & solid : different composition phase diagram necessar

5、y solidification occurs often in a temperature range heat and mass transfer involved (normally) solute diffusion controlled,Chapter 4: Solidification,4-20,(1) Solidification of single phase alloys,Chapter 4: Solidification,4-21,(2) Equilibrium solidification,Chapter 4: Solidification,4-22,(3) No dif

6、fusion in solid, perfect mixing in liquid,Chapter 4: Solidification,4-23,(4) No diffusion in solid, diffusional mixing in liquid,Chapter 4: Solidification,4-24,(5) constitutional supercooling,Chapter 4: Solidification,4-25,(6) Cellular & dendritic solidification,Chapter 4: Solidification,4-26,(7) T & x distribution in cellular solidification,Chapte