Содержание
- 2. PH 0101 UNIT 4 LECTURE 7 CRYSTAL DEFECTS AND IMPERFECTIONS An ideal crystal is a perfect
- 3. PH 0101 UNIT 4 LECTURE 7 CRYSTAL DEFECTS AND IMPERFECTIONS The study of imperfections has a
- 4. PH 0101 UNIT 4 LECTURE 7 CRYSTAL DEFECTS AND IMPERFECTIONS Crystal imperfections can be classified on
- 5. PH 0101 UNIT 4 LECTURE 7 POINT IMPERFECTIONS They are imperfect point- like regions, one or
- 6. PH 0101 UNIT 4 LECTURE 7 POINT DEFECT-VACANCY
- 7. PH 0101 UNIT 4 LECTURE 7 POINT IMPERFECTIONS In metals vacancies and created by thermal excitation.
- 8. PH 0101 UNIT 4 LECTURE 7 SCHOTTKY IMPERFECTIONS
- 9. PH 0101 UNIT 4 LECTURE 7 SUBSTITUTIONAL IMPURITY It refers to a foreign atom that substitutes
- 10. PH 0101 UNIT 4 LECTURE 7 SUBSTITUTIONAL IMPURITY
- 11. PH 0101 UNIT 4 LECTURE 7 INTERSTITIAL IMPURITY An interstitial defect arises when an atom occupies
- 12. PH 0101 UNIT 4 LECTURE 7 INTERSTITIAL IMPURITY
- 13. PH 0101 UNIT 4 LECTURE 7 INTERSTITIAL IMPURITY In ionic crystals, an ion displaced from a
- 14. PH 0101 UNIT 4 LECTURE 7 DIAGRAM SHOWING THE IMPERFECTIONS
- 15. PH 0101 UNIT 4 LECTURE 7 ELECTRONIC DEFECTS Errors in charge distribution in solids are called
- 16. PH 0101 UNIT 4 LECTURE 7 EFFECT OF POINT IMPERFECTIONS The presence of a point imperfection
- 17. PH 0101 UNIT 4 LECTURE 7 LINE IMPERFECTIONS The defects, which take place due to dislocation
- 18. PH 0101 UNIT 4 LECTURE 7 LINE IMPERFECTIONS The two types of dislocations are, Edge dislocation
- 19. PH 0101 UNIT 4 LECTURE 7 EDGE DISLOCATION In perfect crystal, atoms are arranged in both
- 20. PH 0101 UNIT 4 LECTURE 7 The distorted configuration extends all along the edge into the
- 21. PH 0101 UNIT 4 LECTURE 7 EDGE DISLOCATION
- 22. PH 0101 UNIT 4 LECTURE 7 BURGERS VECTOR The magnitude and the direction of the displacement
- 23. PH 0101 UNIT 4 LECTURE 7 BURGERS VECTOR So, we have to move an extra step
- 24. PH 0101 UNIT 4 LECTURE 7 BURGERS VECTOR
- 25. PH 0101 UNIT 4 LECTURE 7 SCREW DISLOCATION In this dislocation, the atoms are displaced in
- 26. PH 0101 UNIT 4 LECTURE 7 SCREW DISLOCATION
- 27. PH 0101 UNIT 4 LECTURE 7 SURFACE IMPERFECTIONS Surface imperfections arise from a change in the
- 28. PH 0101 UNIT 4 LECTURE 7 EXTERNAL SURFACE IMPERFECTIONS They are the imperfections represented by a
- 29. PH 0101 UNIT 4 LECTURE 7 EXTERNAL SURFACE IMPERFECTIONS
- 30. PH 0101 UNIT 4 LECTURE 7 INTERNAL SURFACE IMPERFECTIONS Internal surface imperfections are the imperfections which
- 31. PH 0101 UNIT 4 LECTURE 7 GRAIN BOUNDARIES They are the imperfections which separate crystals or
- 32. PH 0101 UNIT 4 LECTURE 7 GRAIN BOUNDARIES These positions at the boundary region between two
- 33. PH 0101 UNIT 4 LECTURE 7 GRAIN BOUNDARIES
- 34. PH 0101 UNIT 4 LECTURE 7 TILT BOUNDARIES This is called low-angle boundary as the orientation
- 35. PH 0101 UNIT 4 LECTURE 7 TILT BOUNDARIES
- 36. PH 0101 UNIT 4 LECTURE 7 TWIN BOUNDARIES If the atomic arrangement on one side of
- 37. PH 0101 UNIT 4 LECTURE 7 TWIN BOUNDARIES
- 38. PH 0101 UNIT 4 LECTURE 7 STACKING FAULTS Whenever the stacking of atomic planes is not
- 39. PH 0101 UNIT 4 LECTURE 7 STACKING FAULTS
- 40. PH 0101 UNIT 4 LECTURE 7 VOLUME IMPERFECTIONS Volume defects such as cracks may arise in
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