Phase Transformations
MN531

Prof. S. N. Basu
Rm. 132, 15 St. Mary's Street.
Ph. 353-6728

Required text:
Phase Transformations in Metals and Alloys, D. A. Porter and K. E. Easterling, Chapman & Hall, 1993.

Suggested Reading:
Introduction to Metallurgical Thermodynamics, G. R. Gaskell.
Diffusion in Solids, P. G. Shewmon.
Chemical Kinetics, K. J. Laidler.
Introduction to Ceramics, W. D. Kingery, H. K. Bowen and D. R. Uhlman.

Grading:
Midterm exam. - 35%
Homework - 20%
Final exam. - 45%

Syllabus

1. Solution Thermodynamics

   2 lectures

   Ideal Solution Model
   Regular Solution Model
   Gibbs Duhem Equation
   
   

2. Phase Diagrams

   2 lectures

   Gibbs Phase Rule
   Binary Phase Diagrams
   Ternary Phase Diagrams
   
   

3. Diffusion

   4 lectures

   Fick's Laws
   Thin Film Solution
   Error Function Solution
   Laplace Transforms
   Interdiffusion
   Grain Boundary Diffusion
   Atomistics of Diffusion
   
   

4. Chemical Kinetics

   2 lectures

   Thermodynamics of Chemical Reactions
   Kinetics of Chemical Reactions
   Adsorption
   
   

5. Surfaces and Interfaces

   1 lecture

   Surface Energy and Surface Tension
   Curvature of Surfaces
   Anisotropic Surfaces
   Grain Boundaries and Interfaces
   
   

6. Thermally Activated Growth

   2 lectures

   Grain Growth
   Equilibrium at Curved Surfaces
   Particle Coarsening
   
   

7. Nucleation and Growth

   2 lectures

   Homogeneous Nucleation
   Heterogeneous Nucleation
   Interface Controlled Growth
   Diffusion Controlled Growth
   Combined Nucleation and Growth
   
   

8. Solidification

   2 lectures

   Sheil Equation
   Limited Diffusivity in Liquid
   Convection in Liquid
   Constitutional Supercooling
   Rapid Solidification
   
   

9. Spinodal Decomposition

   2 lectures

   Thermodynamics of Spinodal Decomposition
   Kinetics of Spinodal Decomposition
   Experimental Observation of Spinodal Decomposition
   
   

10. Order-Disorder Reactions

    1 lecture

    Experimental Observation of Order Disorder Reactions
    Thermodynamics of Order Disorder Reactions
    Antiphase Boundaries
    
    

11. Martensitic Transformations

    2 lectures

    Characteristics of Martensitic Transformations
    Bain Transformation in the Fe-C System
    Nucleation of Martensite
    Transformation Matrix
    
    

12. Point Defects

    4 lectures

    Point Defects in Alloys
    Point Defects in Compounds
    Nonstoichiometric Compounds
    Diffusivity and Point Defects
    Brouwer Diagrams
    Oxidation