◆Ⅳ. Discuss ion 1. Phases that can appear 2. Growth law: in general W2=K(C)t n special cases: x"=K(C)t n=1 (1)is tenable in volume(lattice) diffusion factors infiuencing growth a. Diffusion path(lattice grain boundaries pore surface) b. Relative rate of diffusion and reaction◆ Ⅳ.Discussion 1. Phases that can appear 2. Growth law: in general in special cases: ～ (1) is tenable in volume (lattice) diffusion ( ) (1) 2 W = K C t x = K(C)t n =1 4 n factors influencing growth: a. Diffusion path (lattice grain boundaries pore surface). b. Relative rate of diffusion and reaction