Imperfections in Solids (Continue)
Content:
- Line Defects: Dislocations and their Scale
- Line Defects: Dislocations
- Incremental Slip and Bond Breaking
- Edge Dislocations Exiting Crystal Form Steps
- Dislocations: Screw, Edge and Mixed (in handout)
- Formation of Steps from Screw and Edge Dislocations
- The Edge Dislocations and Burger’s Vector
- Dislocations Can Create Vacancies and Interstitials
- Planar Defects: Surfaces
- Planar Defects: Grain Boundary
- Relative Energies of Grain Boundaries
- Dislocation Interactions Can Create Planar Defects!Small-Angle Grain Boundaries: a tilt and a twist
- Twin Boundaries: an atomic mirror plane
- Twin Boundaries: Load drop in F vs %EL
- Stacking Faults: Messed up stacking
- Optical Microscopy
- Polymer, too: Colloidal Epitaxy via Focused Ion Beam Lithography
- Use Microscopy to see defects: contrast using optical, electron, scanning probe
- TEM Image of Dislocations in Ti Alloy
- SUMMARY
Researchers should cite this work as follows:
-
Duane Douglas Johnson, Omar N Sobh (2008), "Illinois MATSE 280 Introduction to Engineering Materials, Lecture 5 - Part 2 : Line Defects, Dislocations and their Scale," https://nanohub.org/resources/5864.
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