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The central point of this course is to provide a physical basis that links the structure of materials with their properties, focusing primarily on metals
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Description
The central point of this course is to provide a physical basis that links the structure of materials with their properties, focusing primarily on metals
Course content
- Basic crystallography; BCC, FCC, HCP structures; Miller indices; crystal symmetry; stereographic projection Unlimited
- Crystal shear stress and yielding; Burgers’ vector; introduction to edge, screw, and mixed dislocations; stress, strain, and stored energy Unlimited
- Dislocation energy; stress fields; movement of dislocations Unlimited
- Dislocation interactions; Peach-Koehler equation; effects on material behavior; Frank-Read sources; observing dislocations Unlimited
- Crystal structures and their slip systems; dislocation shear stress resolution; using stereographic projections Unlimited
- Applying stress; cross-slipping; dislocation locking; jogs and partials Unlimited
- More dislocation interactions; Orowan looping; work hardening; polycrystal deformation Unlimited
- Twinning Unlimited
- Heating metals; dislocation climb; recovery; annealing Unlimited
- Alloying and deformation; forces on dislocations Unlimited
- Solid solutions; strengthening; annealing; diffusion kinetics Unlimited
- Precipitate hardening; heat treatment; effect of time and temperature on microstructure Unlimited
- Precipitate hardening; phase boundaries; mechanisms; size effects Unlimited
- Contributions to precipitate hardening; phase diagrams; kinetics; Ostwald ripening; TTT diagrams Unlimited
- Intra-particle stresses; isostrain and isostress; modulus limits; contiguity and percolation Unlimited
- Introduction to steel; Fe-C phase diagram; phases and microstructures Unlimited
- Steel properties Unlimited
- Nanocrystalline metals; properties, dislocations, and grain boundaries; applications Unlimited
Instructor
Massachusetts Institute of Technology
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