Physical Metallurgy

Calendar

SES #	TOPICS	KEY DATES
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