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Nanotechnologies

* Exchange students do not have to consider this information when selecting suitable courses for an exchange stay.

Course Unit Code637-2009/01
Number of ECTS Credits Allocated5 ECTS credits
Type of Course Unit *Choice-compulsory type B
Level of Course Unit *First Cycle
Year of Study *Third Year
Semester when the Course Unit is deliveredWinter Semester
Mode of DeliveryFace-to-face
Language of InstructionCzech
Prerequisites and Co-Requisites Course succeeds to compulsory courses of previous semester
Name of Lecturer(s)Personal IDName
DRA30prof. Ing. Jaromír Drápala, CSc.
LOS35doc. Dr. Ing. Monika Losertová
BUJ37doc. Ing. Kateřina Skotnicová, Ph.D.
Summary
Learning Outcomes of the Course Unit
Student will be able:
- to define perspective groups of nanomaterials.
- to describe and characterize the application areas of nanomaterials.
- to classify and clarify nanomaterial processing technologies.
- to choose optimal metallurgical processes for the production of nanomaterials.
- to evaluate and apply knowledge from nanomaterials preparation by intensive forming methods.
Course Contents
1. Characteristics of nanostructured materials, size and specific surface area of particles. Influence of material properties by the ratio of atoms in the volume and on the surface of the particles. Basic types of nanostructured materials and their applications.
2. Methods of preparation of nanostructured materials and their classification. Preparation of nanostructured materials from different phases (gas, liquid, aqueous solutions, suspensions, solid phases). Possibilities of preparation of nanostructured materials.
3. Preparation of nanostructured materials by condensation from inert gases. Preparation of nanostructured materials by PVS (Physical Vapor Synthesis). The reaction of the reaction gases with the vapor precursor. Effect of preparation conditions on properties.
4. Plasma processes of the preparation of nanostructured materials. Plasma characteristics, induction and arc plasma. Generation of plasma, evaporation and condensation of material. Chemical synthesis, pyrolysis processes.
5. Preparation of nanostructured materials by NAS (Nano Arc Synthesis). Utilization of arc discharge energy for the preparation of single-component and multi-component oxides of rare earth metals and transition metals. Methods of preparation of carbon nanostructured materials.
6. Methods for the preparation of solutions, microemulsions, aerosols, for the preparation of nanostructured and nanocomposite materials, mixed crystal compounds. Single-component and multi-component systems (WCo, WCoV, WCoCr2C3, etc.).
7. Preparation of nanostructured materials for fast melt solidification processes. Effect of melt chemical composition and cooling rate on structure and particle size. Preparation of fine-grained materials by atomization of metal melts using high-speed inert gas, influence of atomization conditions and melt composition on material structure.
8. Preparation of nano-structural materials by milling process in high-energy ball mills. Preparation of multi-component materials by the process of mechanical alloying (TiC, TiB2, ...).
9. Methods for evaluation of properties of nano-structural materials. Determination of size of particles, mechanical properties, evaluation of properties of thermally sprayed coatings and surface layers. Structural characteristics. Mechanical properties of nano-crystalline metals. Change of the properties of metallic materials in dependence on the grain size. Super-plastic behaviour.
10. Deformation of metals and alloys (elastic, plastic), methods for determination of plastic deformation (absolute, relative, true strain, deformation coefficients, the law of constancy of the volume). Analysis of plastic deformation performed by the SPD technology using computer simulation. Properties of metallic materials and nano-structural materials (Hall-Petch equation, strength, ductility, grain growth).
11. Technologies: Top-down, Bottom-up, SPD – UFG and NC material (ultra-fine grained and nano-structural materials).
12. Severe Plastic Deformation (SPD), methods for preparation of nano-crystalline metals: High-pressure torsion (HPT), Equal channel angular processing (ECAP, DECAP), Cyclic extrusion-compression (CEC), Accumulative roll-bonding (ARB), continuous processes (Conshearing, C2S2, CSPD) and tixoforming.
13. Basic thermodynamic conditions for production of nano-crystalline materials by severe plastic deformation. Application of technologies ECAP, CEC and TC, evolution of structure and properties of selected alloys. Influence of the shape of tools, comparison of different technologies, magnitude of deformation, stress state, evolution of structure, aging, recrystallisation, achievable properties. Analysis of thermo-mechanical conditions during the ECAP process using the software FormFEM.
14. The principle and the physical nature of the structure evolution at application of SPD technologies. Construction of individual devices, processed alloys and properties. Conditions of structure stability (instability). Analysis of the structure evolution with use of software. Industrial use of SPD technologies at production of nano-crystalline materials. Examples of the use of nano-crystalline materials in modern structures.
Recommended or Required Reading
Required Reading:
[1] BHUSHAN, B., ed. Springer handbook of nanotechnology. 3rd rev. and extended ed. Berlin: Springer, 2010. ISBN 978-3-642-02524-2.
[2] WANG, Z. I. Characterization of Nanophase Materials. Weinheim, Germany, 2000, 406 p.
[3] FENDLER, J.H., ed. Nanoparticles and nanostructured films: preparation, characterization and applications. Hoboken: John Wiley & Sons, 2007. ISBN 978-3-527-61207-9.
[4] POOLE, Ch.P. a F.J. OWENS. Introduction to nanotechnology. Hoboken: Wiley, 2003. ISBN 0-471-07935-9. 387 p. ISBN 0-471-07935-9; RIETH, Michael. Nano-engineering in science and technology: an introduction to the world of nano-design. Singapore: World Scientific, c2003. ISBN 981-238-073-6.
[1] BARABASZOVÁ, K. Nanotechnologie a nanomateriály. Ostrava: Tiskárna Schenk, 2006. ISBN 80-248-1210-X.
[2] GREGER, M. SPD technologie. Teze přednášek. Ostrava: VŠB-TU Ostrava, 2013.
[3] GREGER, M., et al. Možnosti protlačování hliníku metodou ECAP. In Aluminium 2003: 8.10.-10.10.2003, Děčín-Střelnice. Děčín: Alusuisse, 2003, s. 288-294.
[4] BEDNÁŘ, B., V. FLEMR a B. KRATOCHVÍL. Nové materiály: stručná informace o vlastnostech a použití. Praha: Vysoká škola chemicko-technologická, 1991. ISBN 80-7080-098-4.
[5] BHUSHAN, B., ed. Springer handbook of nanotechnology. 3rd rev. and extended ed. Berlin: Springer, 2010. ISBN 978-3-642-02524-2.

Recommended Reading:
[1] ZHU, Y. T., ed. Ultrafine grained materials II: proceedings of a symposium held during the 2002 TMS Annual Meeting in Seattle, Washington, February 17-21, 2002. Warrendale: Minerals, Metals & Materials Society, c2002. ISBN 0-87339-523-9.
[2] WESTBROOK, J.H. a R.L. FLEISCHER, ed. Intermetallic compounds: principles and practice. Volume 3, Progress. Chichester: Wiley, c2002. ISBN 0-471-49315-5.
[1] WEISS, Z., G. SIMHA-MARTYNKOVÁ a O. Nanostruktura uhlíkatých materiálů. Ostrava: Repronis, 2005. ISBN 80-7329-083-9.
[2] ŠESTÁK, J., Z. STRNAD a A. TŘÍSKA. Speciální technologie a materiály. Praha: Academia, 1993. ISBN 80-200-0148-4.
[3] WANG, Z.L., ed. Characterization of nanophase materials. Weinheim: Wiley-VCH, 2000. ISBN 3-527-29837-1.
[4] FENDLER, J.H., ed. Nanoparticles and nanostructured films: preparation, characterization and applications. Hoboken: John Wiley & Sons, 2007. ISBN 978-3-527-61207-9.
Planned learning activities and teaching methods
Lectures, Seminars, Tutorials, Experimental work in labs, Project work
Assesment methods and criteria
Task TitleTask TypeMaximum Number of Points
(Act. for Subtasks)
Minimum Number of Points for Task Passing
Credit and ExaminationCredit and Examination100 (100)51
        CreditCredit45 25
        ExaminationExamination55 15