MSE470 : Physical Metallurgy
Phase transformations and hardening mechanisms in metallic systems. Nucleation, diffusion-controlled growth, spinodal decomposition and martensitic reactions. Strengthening mechanisms based on two-phase microstructure. Thermal stability.
Prerequisites: MSE350 (enforced)
Textbook: Phase Transformations in Metals & Alloys: Porter/Easterling
Instructor: John Allison
- Overview of metallic systems.
- Crystallography of metallic systems.
- Thermodynamics of phases.
- Binary and ternary phase diagrams.
- Diffusion, nucleation and growth, coarsening.
- Classes of phase transformations.
- Grain boundaries and interfaces.
- Recovery, recrystallization and grain growth.
- Light Alloys- Al and Mg.
- Titanium alloys, nickel alloys, copper alloys, ferrous alloys, refractory alloys, precious alloys.
- To teach students the principles of physical metallurgy.
- To teach the application of thermodynamics and kinetics to metals and alloys.
- To teach students to understand microstructures of metals and how they arise from solidification and are modified by mechanical working and heat treatment.
- To teach the students the nature and properties metallic alloys use in a range of applications.
- Using thermodynamic data, students should be able to calculate sizes and shapes of critical nuclei.
- Using binary phase diagrams, students should be able to predict the segregation characteristics of as-solidified binary alloys.
- Students should be able to use binary and ternary phase diagrams to construct thermal cycles to attain specific microstructures.
- Students will able to identify the major characteristics of homogeneous and non-homogeneous phase transformations.
- Students should be able to calculate interdiffusion coefficients for alloys and analyze Kirkendall diffusion effects.
- Given binary phase diagrams and diffusion information, precipitate growth kinetics can be predicted.
- Students should be able to calculate activation energies for recovery and recrystallization
- A property and process-based rationale can be used to select metallic systems for structural or functional applications.
- Frequent homework assignments
- Two (2) mid-term exams and final exam