| Course Unit Code | 636-3016/03 |
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| Number of ECTS Credits Allocated | 4 ECTS credits |
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| Type of Course Unit * | Choice-compulsory type B |
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| Level of Course Unit * | Second Cycle |
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| Year of Study * | Second Year |
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| Semester when the Course Unit is delivered | Winter Semester |
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| Mode of Delivery | Face-to-face |
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| Language of Instruction | Czech |
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| Prerequisites and Co-Requisites | Course succeeds to compulsory courses of previous semester |
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| Name of Lecturer(s) | Personal ID | Name |
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| JON40 | prof. Ing. Zdeněk Jonšta, CSc. |
| JON37 | doc. Ing. Petr Jonšta, Ph.D. |
| Summary |
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Materials with nano-crystalline structure. Basic physical-chemical and structural properties. Technique of preparation of nano-crystalline materials. Mechanical properties of nano-crystalline materials. Thermal stability of nano-crystalline structures. Perspectives for technical use.
- Amorphous metals. Basic characteristics of rapid cooling. Technological variants of preparation of amorphous metals.
Characteristics of amorphous metals, conditions of creation of amorphous conditions. Mechanical properties, magnetic properties, corrosion properties. Devitrification of amorphous metals. Perspectives of use.
- Selected refractory alloys in the equipment for conversion of power. General character of nickel and cobalt alloys. History of development. Classification from the viewpoint of development of technologies. Chemical constitution of nickel and cobalt alloys. Influence of individual alloying elements. Strength properties, strengthening phases, TPC phases. Perspectives of use, current directions of development.
- Materials for armouring of military vehicles. Overview of the current state of the art in the world. Basic principles of protection. Passive armouring, reactive armouring, active armouring. Armour protection of vehicles. Metallic armours, steel armours, armours made of aluminium and titanium based alloys. Non-metallic armours, aramid, polyethylene, glass fibres and laminates, ceramic armours. Transparent armours.
- Laminates, character and requirements, production technology - polymeric matrix – unsaturated polyesters, vinyl-ester bitumens, epoxide bitumens. Properties, basic types.
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| Learning Outcomes of the Course Unit |
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Students will learn the following:
-understand the relationship between structure and properties of selected materials, enabling their special use.
-know selected technical materials from the perspective of their most effective use
-select the given material on the basis of knowledge of structure and properties
-optimise the structure in order to enhance the service properties |
| Course Contents |
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- Materials with nano-crystalline structure. Fundamental physical-chemical and structural properties. Technique of preparation of nano-crystalline materials. Condensation from gaseous phase. Purity of nano-crystalline materials. Technique of mechanical alloying. Structures formed at mechanical alloying.
- Mechanical properties of nano-crystalline materials. Thermal stability of nano-crystalline structures. Multi-phase nano-crystalline materials. Perspectives for technical use.
- Amorphous metals. Influence of accelerating rate of cooling on the character of the formed structure. Basic characteristics of rapid cooling. Technological variants of preparation of amorphous metals. Joining of powder material into 3D components.
- Characteristics of amorphous, conditions of formation of amorphous conditions. Thermo-dynamic and kinetic influences on homogenous nucleation of crystalline phases in the melt. Relations of temperatures TM and Tg. Reduced temperature of formation of amorphous structure Tgr.
- Properties of amorphous metals. Mechanical properties, magnetic properties, corrosion properties. Devitrification of amorphous metals. Perspectives of use.
- Selected refractory alloys in equipment for conversion of power. General characteristics of nickel and cobalt alloys. History of development. Classification from the perspective of development of technologies. Gas turbines, turbo-reactive motors. Thermo-dynamic principle.
- Chemical constitution of nickel and cobalt alloys. Protection of alloys against oxidation, protective layers. Structural parameters. Influence of individual alloying elements. Strength properties, strengthening phases, TPC phases. Perspectives of use, current directions of development.
- Materials for armouring of military vehicles. Overview of the current state of the art in the world. Fundamental principles of protection. Passive armouring, reactive armouring, active armouring.
- Armour protection of military vehicles. Classification according to the internal structure and structural arrangement. Homogenous armours, sandwich armours.
- Metallic armours, steel armours, armours from metallic and titanium alloys. Non-metallic armours, aramid and poly-ethylene armours, glass fibres and laminates, ceramic armours. Transparent armours.
- Laminates, characteristics and requirements, production technology – polymeric matrix – unsaturated polyesters, vinyl-ester bitumens, epoxide bitumens. Properties, basic types. |
| Recommended or Required Reading |
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| Required Reading: |
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ASKELAND, D. R., P.P. PHULÉ. The Science and Engineering of Materials. 5th ed.Canada: Thompson-Brooks/Cool, 2005. ISBN-13: 978-0-534-55396-8.
DONACHIE, M.J., S.J. DONACHIE. Superalloys: a technical guide, 2nd ed., Materials Park, Ohio, USA: ASM International, 2002. ISBN-13: 978-0-87170-749-9.
ASM INTERNATIONAL HANDBOOK COMMITTEE. ASM Handbook Volume 21: Composites. Materials Park, Ohio, USA: ASM International, 2001. ISBN 978-0-87170-703-1. |
HERNAS, A., et al.: Žárupevné oceli a slitiny. 2. vyd. Ostrava: VŠB-TU Ostrava, 2009. ISBN 978-80-248-2187-0.
JONŠTA, Z. Materiály pro speciální použití. Ostrava: VŠB-TU Ostrava, 2013. Dostupné z: http://katedry.fmmi.vsb.cz/Opory_FMMI/636/636-MSP.pdf
POKLUDA, J., F. KROUPA, L. OBDRŽÁLEK. Mechanické vlastnosti a struktura pevných látek (Kovy, keramika, plasty), VUT Brno, PC-DIR spol. s r.o., Brno, 1994. ISBN 80-214-0575-9.
ASKELAND, D. R. and P. P. PHULÉ. The Science and Engineering of Materials. 5th ed.Canada: Thompson-Brooks/Cool, 2005. ISBN-13: 978-0-534-55396-8. |
| Recommended Reading: |
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VASILIEV, V. V. and E.V. MOROZOV. Mechanics and Analysis of Composite Materials. Oxford: Elsevier, 2007. ISBN 0-08-042702-2.
MILITARY SPECIFICATION MIL-A-12560H (MR), Amendment 3. „Armor Plate, Steel, Wrought, Homogeneous (For Use Combat-Vehikles and for Ammunition Testing)“, September, 2000.
ASM SPECIALLY HANDBOOK. Nickel, Cobalt, and Their Alloys. 2nd.ed., Metals Park, Ohio, USA: ASM International, ed. J.R. Davis, 2001. ISBN 978-0-87170-685-0. |
MACHEK, V., J. SODOMKA. Polymery a kompozity s polymerní matricí. 4. část, Nauka o materiálu, Praha, nakladatelství ČVUT, 2008. ISBN 978-80-01-03927-4.
MAZANEC, K. Inteligentní materiály. Sylaby přednášek. Vyd. VŠB TU Ostrava, 1998.
BUCHAR, J. a J. VOLDŘICH. Terminální balistika. Praha: Academia, 2003. ISBN 80-200-1222-2.
VASILIEV, V. V. a E. V. MOROZOV. Mechanics and Analysis of Composite Materials. Oxford: Elsevier, 2007. ISBN 0-08-042702-2. |
| Planned learning activities and teaching methods |
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| Lectures, Tutorials, Experimental work in labs |
| Assesment methods and criteria |
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| Task Title | Task Type | Maximum Number of Points
(Act. for Subtasks) | Minimum Number of Points for Task Passing |
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| Credit and Examination | Credit and Examination | 100 (100) | 51 |
| Credit | Credit | 30 | 15 |
| Examination | Examination | 70 | 36 |