Objectives

• Understand the principles of thermodynamics
• Utilize free energy to describe phase stability, equilibriums, and phase diagrams in materials
• Understand the relationship between free energy, mobility and structure of surfaces and interfaces
• Apply the theory and mathematical models in the computation of phase equilibriums and phase diagrams

Description

Thermodynamic description of phase stability, equilibriums, phase diagrams and phase transformations in materials; free energy and mobility of surfaces and interfaces; computation of phase stabilities and phase diagrams.

Instructor

• M. Victor Li
• Office: EB 301P
• Phone: 5-2981
• Email: victorli@cecs.pdx.edu
• Web: http://www.cecs.pdx.edu/~victorli

Textbook

• David R. Gaskell, "Introduction to Thermodynamics of Materials," 4th Edition, Taylor & Francis, 2003.

Reference Books

• Mats Hillert, "Phase Equilibria, Phase Diagrams and Phase Transformations: Their Thermodynamic Basis," Cambridge University Press, 1998
• N. Saunders and A. P. Miodownik, "CALPHAD: Calculation of Phase Diagrams A Comprehensive Guide," Pergamon, 1998.

Logistics

• Lecture Time: 4:00 to 5:50 PM, Monday and Wednesday
• Classroom: EB 350

Grading

• Attendance and Effort (10)
• Homework (20)
• Midterm Exam(30)
• Final Exam(40)

Course Syllabus

Week 1: The First Law of Thermodynamics

• Basic concepts and terms
• State functions and properties
• The first law of Thermodynamics

Week 2: The Second Law of Thermodynamics

• Spontaneous or natural processes
• Reversible and irreversible process
• Entropy
• The second law of thermodynamics

Week 3: The Third Law of Thermodynamics

• Auxiliary functions
• Heat capacity, enthalpy and entropy
• The third law of thermodynamics

Week 4: Phase Stability and Equilibrium

• Gibbs free energy
• Phase equilibrium in a one-component system
• The P-V-T relationships of gases
• Ideal gas
• Real gases

Week 5: Solutions

• Raoult¡¯s law and Henry¡¯s law
• The thermodynamic activity of a component in solution
• The Gibbs-Duhem equation
• The Gibbs free energy of formation of a solution
• Regular solutions
• A statistical model of solutions

Week 6: Solution Models

• Subregular solutions
• Real solutions
• Midterm exam

Week 7: Phase Diagrams

• Phase diagrams of binary systems
• Phase diagrams of ternary systems
• Phase equilibriums in multicomponent systems

Week 8: Computation of Phase Diagrams

• The CALPHAD approach
• Thermo-Calc calculations
• JMatPro calculations

Week 9: Surfaces and Interfaces

• Free surfaces
• Grain boundaries
• Inter-phase interfaces
• Interface stability and mobility

Week 10: Kinetics

• Kinetics of grain growth
• Kinetics of diffusion
• Kinetics of phase transformations

Week 11: Final Exam

• Final Exam