653-3026/02 – Processing Technology of Metallic Nanomaterials (TPKN)
| Gurantor department | Department of Materials Engineering and Recycling | Credits | 5 |
| Subject guarantor | doc. Dr. Ing. Monika Losertová | Subject version guarantor | doc. Dr. Ing. Monika Losertová |
| Study level | undergraduate or graduate | Requirement | Choice-compulsory type B |
| Year | 1 | Semester | summer |
| | Study language | Czech |
| Year of introduction | 2022/2023 | Year of cancellation | |
| Intended for the faculties | FMT | Intended for study types | Follow-up Master |
Subject aims expressed by acquired skills and competences
Student after passing the exam from this subject will gain the following abilities:
- describe basic methods of production of metallic nanomaterials
- make an overview of technology for production of concrete metallic nanomaterials
- apply acquired findings at theoretical and laboratory exercises
Teaching methods
Lectures
Individual consultations
Tutorials
Project work
Summary
This subject is focused on selected processesing technologies of individual types of nanostructural metallic materials regadarding the use of nanomaterials in structural application (condensation, milling, mechanical alloying, spraying of suspensions, electrolytic deposition, devitrification of amorphous phases, CVD, PECVD, PVD methods; application of plasma, electron beam, laser, micro-wave and rf. heating; SPD technologies).
Compulsory literature:
Recommended literature:
Way of continuous check of knowledge in the course of semester
Continuous verification of learning outcomes:
• full-time study form - 2 written tests, 1 semestral project;
• combined study form - 1 semestral project.
Final verification of study results:
• oral exam.
E-learning
DRÁPALA, J.: Nanomaterials I. Selected chapters, VŠB-TU Ostrava, 2013, 41 p.
GREGER, M.: Nanomaterials II. Selected chapters, VŠB-TU Ostrava, 2013, 24 p.
Other requirements
• Full-time study form: participation in the lab works, tests, elaboration of the semestral project on a given topic.
• Combined study form: elaboration of the extened semestral project on a given topic.
Prerequisities
Subject has no prerequisities.
Co-requisities
Subject has no co-requisities.
Subject syllabus:
1. Characteristics of nanostructural materials. Basic types of nanostructural metallic materials and their application.
2. Preparation of nanostructural materials from various phases (gas, melt, aqueous solutions, suspensions). Criteria for selection of the preparation method.
3. Preparation of nanostructural materials by condensation from inert gases, CVD and PVD methods. Preparation of metallic materials, intermetallic compounds, oxides, carbides and nitrides of metals.
4. Plasma and electron beam processes for preparation of nanostructural materials.
5. Preparation of nanostructural materials by the process Nano Arc Synthesis. Use of energy of arc discharge for preparation of single-component and multi-component oxides of rare earth metals, transition metals, etc.
6. Methods of preparation of solutions, micro-emulsions and aerosols and their subsequent drying. Preparation of single-component and multi-component materials (WCo, WCoV, WCoCr2C3, etc.).
7. Preparation of nanostructural materials by processes of rapid solidification of melts.
8. Preparation of nanostructural materials by grinding and mechanical alloying in high-power ball mills.
9. Methods of evaluation of properties of nanostructured materials. Structural characteristics.
10. Mechanical properties of selected nano-crystalline metals. Super-plastic behaviour.
11. Production of nano-crystalline materials by technologies ECAP, CEC and TC. Analysis of thermo-mechanical conditions of development of the ECAP process with use of the program FormFem.
12. Technologies C2S2, DECAP, CS and tixoforming. Development of structure with use of software TT STEEL.
13. Industrial use of technologies (SPD) for production of nano-crystalline materials. Examples of use of nano-crystalline materials in advanced structures (aircraft industry, army technology).
Laboratory exercises:
1. Preparation of ZnO nanoparticles from aqueous solution and determination of width for energy gap. 2. Synthesis of silver nanoparticles.
3. Determination of specific surface for particles of powder materials with adsorption method.
4. Excursion in the laboratories with development of production technologies and evaluation of properties of nanostructured materials.
5. Metallographical determination of the microstructure of metallic samples after ECAP.
6. Calculation of deformation forces and experimental examination of structural development using ECAP technology. Simulation of thermo-mechanical conditions at the ECAP technology (software FormFem).
7. Influence of thermo-mechanical conditions of the deformation on mechanical properties of Mg alloys after DECAP technology.
Conditions for subject completion
Occurrence in study plans
Occurrence in special blocks
Assessment of instruction