Lectures:
- The aim of the course, contents.
- Resolution of microscopic techniques, interaction of electron beam and X-ray beam with specimens.
- Basics of crystallography, properties of reciprocal lattice.
- Geometry of diffraction, structure factor.
- Principle of transmission and scanning electron microscope.
- Contrast mechanisms in transmission electron microscopy: amplitude and phase contrast.
- Basic principles of kinematic and dynamic theory of electron scattering, contrast on defects of crystal lattice.
- Electron diffraction techniques: selected area electron diffraction and convergent electron beam diffraction.
- Analysis of diffraction patterns from monocrystals and polycrystals.
- Quantitative electron microscopy, density of line defects.
- Preparation of specimens for transmission electron microscopy.
- Contrast mechanisms in scanning electron microscopy.
- X-ray spectral microanalysis: wave length and energy dispersive analysis.
- Basic applications of transmission and scanning electron microscopy in physical metallurgy.
- Auger electron spectroscopy, special spectroscopic techniques.
- Principles of ion microscopy and atom probe mass spectrometer.
Seminars:
1. Introduction, safety rules in laboratories.
2. Crystal geometry.
3. Reciprocal lattice, programme No. 1.
4. Structure factor, X-ray absorption.
5. Stereographic projection.
6. Transformation matrices, programme No. 2.
7. Preparation of carbon extraction replicas.
8. Diffraction constant, interpretation of spot diffraction patterns.
9. Interpretation of ring diffraction patterns, programme No. 3.
10. Dislocation density.
11. Quantitative electron microscopy, orientation relationship between precipitates and matrix.
12. Calibration of rotation between image and diffraction pattern, programme No. 4.
13. Identification of minor phases in steels.
14. Final test, credit,
- The aim of the course, contents.
- Resolution of microscopic techniques, interaction of electron beam and X-ray beam with specimens.
- Basics of crystallography, properties of reciprocal lattice.
- Geometry of diffraction, structure factor.
- Principle of transmission and scanning electron microscope.
- Contrast mechanisms in transmission electron microscopy: amplitude and phase contrast.
- Basic principles of kinematic and dynamic theory of electron scattering, contrast on defects of crystal lattice.
- Electron diffraction techniques: selected area electron diffraction and convergent electron beam diffraction.
- Analysis of diffraction patterns from monocrystals and polycrystals.
- Quantitative electron microscopy, density of line defects.
- Preparation of specimens for transmission electron microscopy.
- Contrast mechanisms in scanning electron microscopy.
- X-ray spectral microanalysis: wave length and energy dispersive analysis.
- Basic applications of transmission and scanning electron microscopy in physical metallurgy.
- Auger electron spectroscopy, special spectroscopic techniques.
- Principles of ion microscopy and atom probe mass spectrometer.
Seminars:
1. Introduction, safety rules in laboratories.
2. Crystal geometry.
3. Reciprocal lattice, programme No. 1.
4. Structure factor, X-ray absorption.
5. Stereographic projection.
6. Transformation matrices, programme No. 2.
7. Preparation of carbon extraction replicas.
8. Diffraction constant, interpretation of spot diffraction patterns.
9. Interpretation of ring diffraction patterns, programme No. 3.
10. Dislocation density.
11. Quantitative electron microscopy, orientation relationship between precipitates and matrix.
12. Calibration of rotation between image and diffraction pattern, programme No. 4.
13. Identification of minor phases in steels.
14. Final test, credit,