1 | Introduction | |
2 | Basic crystallography; BCC, FCC, HCP structures; Miller indices; crystal symmetry; stereographic projection | |
3 | Crystal shear stress and yielding; Burgers' vector; introduction to edge, screw, and mixed dislocations; stress, strain, and stored energy | |
4 | Dislocation energy; stress fields; movement of dislocations | |
5 | Dislocation interactions; Peach-Koehler equation; effects on material behavior; Frank-Read sources; observing dislocations | |
6 | Crystal structures and their slip systems; dislocation shear stress resolution; using stereographic projections | Problem set 1 due |
7 | Applying stress; cross-slipping; dislocation locking; jogs and partials | |
8 | More dislocation interactions; Orowan looping; work hardening; polycrystal deformation | |
9 | Twinning | |
10 | Heating metals; dislocation climb; recovery; annealing | |
11 | Annealing; recrystallization; polygonization; coarsening; JMAK analysis | Review assignment 1 due |
12 | Recrystallization; nucleation; grain growth; effects of temperature, strain, grain size, impurities | Problem set 2 due |
13 | Review for Exam 1 | |
14 | Exam 1 | Exam 1 |
15 | Alloying and deformation; forces on dislocations | |
16 | Solid solutions; strengthening; annealing; diffusion kinetics | |
17 | Precipitate hardening; heat treatment; effect of time and temperature on microstructure | |
18 | Precipitate hardening; phase boundaries; mechanisms; size effects | Problem set 3 due |
19 | Contributions to precipitate hardening; phase diagrams; kinetics; Ostwald ripening; TTT diagrams | Review assignment 2 due |
20 | Intra-particle stresses; isostrain and isostress; modulus limits; contiguity and percolation | |
21 | Introduction to steel; Fe-C phase diagram; phases and microstructures | Review assignment 2 due |
22 | Steel properties | Problem set 4 due |
23 | Steel (cont.) | |
24 | Exam 2 | Exam 2 |
25 | Nanocrystalline metals; properties, dislocations, and grain boundaries; applications | |
26 | Conclusions | Review assignment 3 due |