Unit 2104: Thermodynamics of Materials

1. Introduction to Thermodynamics

• Definition and scope of thermodynamics
• Concepts of energy, work, and heat
• The zeroth, first, second, and third laws of thermodynamics
• Relevance of thermodynamics to materials science

2. Thermodynamic Properties of Materials

• Specific heat capacity: definition and measurement
• Entropy: concept and significance
• Enthalpy and internal energy: relationships and calculations
• State functions and path functions
• Effect of temperature and pressure on properties

3. Phase Diagrams and Phase Transitions

• Phases of matter: solid, liquid, gas
• Phase diagrams: interpretation and construction
• Types of phase transitions: first-order and second-order
• Lever rule and phase fraction calculations
• Influence of temperature and pressure on phase equilibria

4. Heat Transfer in Materials

• Mechanisms of heat transfer: conduction, convection, radiation
• Fourier’s law of heat conduction
• Thermal conductivity of materials
• Heat transfer effects on material stability and performance

5. Chemical Reactions and Thermodynamics

• Thermodynamics of chemical reactions in materials
• Gibbs free energy and spontaneity
• Equilibrium constants and reaction quotients
• Temperature and pressure influence on reaction equilibria

6. Applications of Thermodynamics in Material Design

• Optimization of material properties using thermodynamic principles
• Case studies: alloy design, ceramics, polymers
• Thermodynamic considerations in processing and fabrication

7. Thermodynamic Modeling and Simulation

• Introduction to thermodynamic models (Calphad, molecular dynamics, etc.)
• Computational tools for thermodynamic prediction
• Simulation of phase diagrams and transformations
• Predictive design of materials with desired properties

8. Thermodynamics of Phase Transformations

• Thermodynamic driving forces for phase changes
• Solid-state transformations: nucleation and growth
• Diffusion-controlled processes and their thermodynamics
• Microstructure development and thermodynamic principles

9. Thermodynamics of Alloys and Mixtures

• Phase equilibria in binary and multicomponent systems
• Gibbs phase rule and its application
• Effect of composition on thermodynamic behavior
• Mixing enthalpy, entropy, and free energy

10. Thermodynamic Stability and Kinetics

• Relationship between thermodynamic stability and kinetic barriers
• Prediction of material stability over time
• Transformation mechanisms from a thermodynamic viewpoint
• Role of activation energy and reaction pathways