Lectures:
1. Internal structure of solids, imperfections of crystal structure.
2.-3. Principles of thermodynamics of solids; systems; components; phases; equilibrium vs non-equilibrium state of thermodynamic systems; Gibbs phase law; one-component system, solidification, nucleation of solid phase (stable vs unstable nucleus), homogeneous vs heterogeneous nucleation, phase transformation in solid state.
4.-7. Two-component system and their binary diagrams; basic kinds of binary systems – system with an unlimited solubility in solid state, system with eutectic, peritectic reaction, system with eutectoid, peritectoid reaction.
8. Complex two-component systems comprising phase transformations in solid state and the presence of intermediate phases.
9.-11. Iron – carbon system; metastable, stable diagram; principal reactions; phase and structure description of metastable Fe-C diagram; basic structure constituents in metastable system Fe-C; calculation of phase composition in metastable Fe-C system.
12. Stable system Fe-C, differences to metastable system; graphite containing cast irons; classification, principal characteristics.
13. Phase transformations of austenite at cooling – diffusion, difusionless transformations; characteristics of bainite and martensite.
14. Application of Fe-C diagram in heat treatment of steels.
Exercises:
1. Introductory exercises - syllabus, credit conditions, safety training, basics of metallography (theory).
2. Basics of metallography - sample preparation (grinding, polishing, etching - principles), metallographic microscopes (principle, magnification, resolution).
3. Basic mechanical tests - tensile test, hardness tests, impact test in bending according to Charpy (principle, samples, evaluation).
4. Basics of crystallography - drawing directions and planes in a cubic lattice, calculation of angles between directions and planes - PROGRAM No. 1 (6 points).
5. Description of basic binary diagrams, cooling curves (diagrams with eutectic and eutectoid transformation).
6. Basic binary diagrams - calculation of phase shares and structural components using the lever rule.
7. More complex types of binary diagrams - PROGRAM No. 2 (6 points).
8. Evaluation of binary alloy samples - binary diagram application, microstructure (silumins, brass, bronzes).
9. TEST 1 (8 points), metastable Fe-C diagram, cooling curves.
10. Metastable diagram Fe-C - calculations of the share of structural components.
11. Preparation of metallographic cutting of steel, observation of microstructure of steels with different carbon content.
12. Determination of phase fraction by point method, evaluation of C content, determination of steel grain size (activity 2 points).
13. Stable diagram of Fe-C, microstructure of cast iron (comparison of white and graphite);
14. TEST 2 (8 points), credits.
1. Internal structure of solids, imperfections of crystal structure.
2.-3. Principles of thermodynamics of solids; systems; components; phases; equilibrium vs non-equilibrium state of thermodynamic systems; Gibbs phase law; one-component system, solidification, nucleation of solid phase (stable vs unstable nucleus), homogeneous vs heterogeneous nucleation, phase transformation in solid state.
4.-7. Two-component system and their binary diagrams; basic kinds of binary systems – system with an unlimited solubility in solid state, system with eutectic, peritectic reaction, system with eutectoid, peritectoid reaction.
8. Complex two-component systems comprising phase transformations in solid state and the presence of intermediate phases.
9.-11. Iron – carbon system; metastable, stable diagram; principal reactions; phase and structure description of metastable Fe-C diagram; basic structure constituents in metastable system Fe-C; calculation of phase composition in metastable Fe-C system.
12. Stable system Fe-C, differences to metastable system; graphite containing cast irons; classification, principal characteristics.
13. Phase transformations of austenite at cooling – diffusion, difusionless transformations; characteristics of bainite and martensite.
14. Application of Fe-C diagram in heat treatment of steels.
Exercises:
1. Introductory exercises - syllabus, credit conditions, safety training, basics of metallography (theory).
2. Basics of metallography - sample preparation (grinding, polishing, etching - principles), metallographic microscopes (principle, magnification, resolution).
3. Basic mechanical tests - tensile test, hardness tests, impact test in bending according to Charpy (principle, samples, evaluation).
4. Basics of crystallography - drawing directions and planes in a cubic lattice, calculation of angles between directions and planes - PROGRAM No. 1 (6 points).
5. Description of basic binary diagrams, cooling curves (diagrams with eutectic and eutectoid transformation).
6. Basic binary diagrams - calculation of phase shares and structural components using the lever rule.
7. More complex types of binary diagrams - PROGRAM No. 2 (6 points).
8. Evaluation of binary alloy samples - binary diagram application, microstructure (silumins, brass, bronzes).
9. TEST 1 (8 points), metastable Fe-C diagram, cooling curves.
10. Metastable diagram Fe-C - calculations of the share of structural components.
11. Preparation of metallographic cutting of steel, observation of microstructure of steels with different carbon content.
12. Determination of phase fraction by point method, evaluation of C content, determination of steel grain size (activity 2 points).
13. Stable diagram of Fe-C, microstructure of cast iron (comparison of white and graphite);
14. TEST 2 (8 points), credits.