1. Structure of crystalline materials, crystallographic systems. Directions and planes in the crystal, Miller indices. 2. Crystal lattice defects (line, area, spatial) and their influence on material properties. Methods of study of crystal lattice defects. 3. Diffusion in metallic systems, basic terms, Fick´s laws. Technical importance of diffusion. 4. Basic terms and laws of thermodynamics of metallic systems - phases, homogenous and heterogeneous systems, Gibbs law of phases, allotropy. Basic state variables. 5. Phases in metal systems, basic types of equilibrium diagrams. 6. Phase transformations - crystallization and melting, solid state phase transformations. 7. Fe-C system. Classic construction materials: steel, cast iron. 8. Influence of heat treatment on steel and cast iron properties. 9. Elastic, anelastic deformation. Plastic deformation - slip, twinning. 10. Mechanical properties of materials and their testing, static and dynamic tests. Hardness tests. Testing of the properties of thin films-, micro- and nanosubstance, adhesion tests. Thickness measurement. 11. Advanced materials - high-strength steels, intermetallic alloys, shape memory alloys. 12. Technically important non-ferrous metals and alloys - aluminium, magnesium, titanium alloys. Structure, properties and technical applications. 13. Other material in technical practice - powder materials, metal glasses, ceramics, composites. Seminars: 1. Introduction. Exercise organization, credit requirements, work safety. 2. Methods of sampling and samples preparation for light optical microscopy and electron scanning and transmission microscopy. 3. Light optical microscopy and confocal microscopy. 4. Electron microscopy. 5. Other methods connected with electron scanning microscopy. 6. Methods of testing mechanical properties - static, dynamic. 7. Hardness tests - static, dynamic. 8. Gibs law of phases, equilibrium binary diagrams, lever rule. 9. Metastable and stable diagram of Fe-C. 10. Schemes of phases transformations - examples of calculations - influence on structure and properties 11. Equilibrium heat treatment. Structures. 12. Solid state phase transformations under non-equilibrium conditions - IRA, ARA diagrams. 13. Improvement of mechanical properties by volume/surface chemo-heat treatment. Examples. 14. Test, credit.
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The aim of the course is to acquaint students with structure, properties and use of construction materials.
Metals crystal structure, basic types of crystal lattices and their failures, material properties and their testing, basic types equilibrium binary diagrams, Fe-C diagrams and work with them, basics of phase transformations of steels in solid state, IRA and ARA diagrams, basics of heat treatment and chemical-heat treatment of steels and cast irons.
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MACEK,K.,ZUNA,P. a kol. Nauka o materiálu. Praha: ČVUT, 1996..
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PLUHAŘ J. a kol.:. Nauka o materiálech. SNTL Praha, 1989.
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PTÁČEK,L. a kol.:. Nauka o materiálu I, CERM 2003. &, &.
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PTÁČEK,L. a kol.:. Nauka o materiálu II. CERM, 2002.
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VOJTĚCH,D.:. Materiály a jejich mezní stavy, VŠCHT Praha 2010.
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