msep 503 defects, diffusion and transformation slide - defects · defect if an atom or ion is...
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16/10/2019
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Crystal Defect
1. Vector repositioned (if necessary) to pass through origin.
2. Read off projections in terms of unitcell dimensions a1, a2, a3, or c
3. Adjust to smallest integer values4. Enclose in square brackets, no commas
[uvtw]
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0 – Dimensional Defects Point Defects
• Vacancy
• Interstitial
• Substitution
1 – Dimensional Defects Line Defects
• Edge Dislocation
• Screw Dislocation
Classification of Defects2 – Dimensional Defects
Plane Defects• Grain Boundary
• Stacking Faults
3 – Dimensional Defects Extended Defects
• Pores
• Cracks
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