Lectures:
1. Content of the course, the importance of metallic materials. Entering the literature. Basic distribution of materials, interatomic bonds. Crystallography, indexes and directions of planes.
2. Defects of the crystal lattice: points, curves and areas, their properties.
The processes of diffusion, Fick's laws. Recovery and recrystallization, related diagrams.
3. The influence of external forces on the metals, mechanical stress and deformation (elastic,plastic), Hooke's law. Tensile test.
4. Tests in compression, bending, torsion and shear. Mechanical properties
at higher temperatures, creep and relaxation. Fatigue, wear and corrosion of materials.
5. Tests of hardness testing and evaluation of notch and fracture toughness,
transition temperatures. Cracks and fractures. Technological testing, testing and diagnostics.
6. Crystallization of metals and alloys, related to thermodynamics and kinetics. Segregation, partition coefficients. Ingot structure, dendritic, polyhedric grains, stability of phases.
7. The basic types of binary diagrams, solubility and precipitation in alloys.
Phase transformations (eutectic, peritectic, eutektoid, peritektoid),
cooling curves, lever rule.
8.Metastable equilibrium and a stable iron-carbon system. Equilibrium
structure of steels and cast irons. The influence of alloying elements and impurities on the structure and properties of steels. Basics of steel production.
9.Technology of thermal treatment of steel: annealing, hardening, tempering.
Pearlite, bainite and martensite transformation of austenite. Diagrams IRA and ARA. Effect of heat treatment on properties of steels.
10. Chemical heat treatment of steels: carburizing, nitriding. Heat-
mechanical processing. Overview wrought construction and tool
steels. Cast steel, cast iron.
11. Non-ferrous alloys, especially Al, Cu, Ni, processing, properties
and use. Labelling according to alloy.
12. Other non-ferrous metals: titanium, magnesium, low-melting metals,
vysokotavitelné metals, precious metals, metalloid. Intermetallics, metal
glass. Metal composite materials.
13. Sintered Metals, advantages powder metallurgy. Production, preparation, compaction and sintering powders. Important sintered materials, porous materials,metal-ceramic materials.
14. The main principles, procedures and criteria for selecting of metallic materials. The use of standards, manuals, databases. The economic and technical aspects of material selection.
Exercise:
1.Practice, the conditions for granting credit, the safety
in laboratories. Crystal geometry - practice.
2. Tensile test and notch impact test - Program no. 1 (2-4 points).
3. Tests of hardness and technological tests - Program 2 (1-3 points)
4. Written assessment (of crystallography, testing and defectoscopy of metals).
5. Iron-carbon diagram, equilibrium structures typical of steels and cast irons, using metallographic microscope - Program No. 3 (2-4 points)
6. Selected non-ferrous metals, monitoring of the structure, grain size determination - Program No. 4 (2-4b.)
7. Test - Binary diagrams and steel. Credit.
1. Content of the course, the importance of metallic materials. Entering the literature. Basic distribution of materials, interatomic bonds. Crystallography, indexes and directions of planes.
2. Defects of the crystal lattice: points, curves and areas, their properties.
The processes of diffusion, Fick's laws. Recovery and recrystallization, related diagrams.
3. The influence of external forces on the metals, mechanical stress and deformation (elastic,plastic), Hooke's law. Tensile test.
4. Tests in compression, bending, torsion and shear. Mechanical properties
at higher temperatures, creep and relaxation. Fatigue, wear and corrosion of materials.
5. Tests of hardness testing and evaluation of notch and fracture toughness,
transition temperatures. Cracks and fractures. Technological testing, testing and diagnostics.
6. Crystallization of metals and alloys, related to thermodynamics and kinetics. Segregation, partition coefficients. Ingot structure, dendritic, polyhedric grains, stability of phases.
7. The basic types of binary diagrams, solubility and precipitation in alloys.
Phase transformations (eutectic, peritectic, eutektoid, peritektoid),
cooling curves, lever rule.
8.Metastable equilibrium and a stable iron-carbon system. Equilibrium
structure of steels and cast irons. The influence of alloying elements and impurities on the structure and properties of steels. Basics of steel production.
9.Technology of thermal treatment of steel: annealing, hardening, tempering.
Pearlite, bainite and martensite transformation of austenite. Diagrams IRA and ARA. Effect of heat treatment on properties of steels.
10. Chemical heat treatment of steels: carburizing, nitriding. Heat-
mechanical processing. Overview wrought construction and tool
steels. Cast steel, cast iron.
11. Non-ferrous alloys, especially Al, Cu, Ni, processing, properties
and use. Labelling according to alloy.
12. Other non-ferrous metals: titanium, magnesium, low-melting metals,
vysokotavitelné metals, precious metals, metalloid. Intermetallics, metal
glass. Metal composite materials.
13. Sintered Metals, advantages powder metallurgy. Production, preparation, compaction and sintering powders. Important sintered materials, porous materials,metal-ceramic materials.
14. The main principles, procedures and criteria for selecting of metallic materials. The use of standards, manuals, databases. The economic and technical aspects of material selection.
Exercise:
1.Practice, the conditions for granting credit, the safety
in laboratories. Crystal geometry - practice.
2. Tensile test and notch impact test - Program no. 1 (2-4 points).
3. Tests of hardness and technological tests - Program 2 (1-3 points)
4. Written assessment (of crystallography, testing and defectoscopy of metals).
5. Iron-carbon diagram, equilibrium structures typical of steels and cast irons, using metallographic microscope - Program No. 3 (2-4 points)
6. Selected non-ferrous metals, monitoring of the structure, grain size determination - Program No. 4 (2-4b.)
7. Test - Binary diagrams and steel. Credit.