636-0820/01 – Special Materials (SM)
| Gurantor department | Department of Material Engineering | Credits | 5 |
| Subject guarantor | prof. Ing. Zdeněk Jonšta, CSc. | Subject version guarantor | prof. Ing. Zdeněk Jonšta, CSc. |
| Study level | undergraduate or graduate | Requirement | Compulsory |
| Year | 2 | Semester | winter |
| | Study language | Czech |
| Year of introduction | 2004/2005 | Year of cancellation | 2019/2020 |
| Intended for the faculties | FMT | Intended for study types | Follow-up Master |
Subject aims expressed by acquired skills and competences
- Clarify the principles of progressive technologies increasing productive properties of technical materials.
- Clarify the principles of rapid solidification and origin of amorphous metals.
- Evaluate the relations between micro and nanotechnologies, explain the nanomaterials preparation processes and their basic mechanical properties.
- Clarify the principles of the materials to be used with high temperatures - nickel superalloys.
- Clarify the material characteristics of intelligent materials.
- Outline the magnetic materials, their types, magnetization curves and usages.
- Compare properties of polymeric materials.
- Outline the production, properties and test methods for materials based on macromolecular substances.
Teaching methods
Lectures
Tutorials
Experimental work in labs
Summary
General overview of special materials. Rapid solidification, structurally metallurgical characteristics. Metallic glasses, mechanical, corrosion and magnetic properties. Devitrification. Nanocrystalline materials, physical and mechanical properties. Mechanical alloying, physically metallurgical principles of the process. Hardened alloys with oxide dispersion. The steels and alloys on Ni base for high temperature. Intermetallics, microstructural characteristics. Superconductors, low-and high-temperature superconductors. Hard and soft magnets. Polymeric materials, properties and degradation.
Compulsory literature:
[1] Askeland, D. R., Phulé, P., P.: The Science and Engineering of Materials. 5th ed.Canada: Thompson-Brooks/Cool, 2005, 863 s.
[2] Donachie, M., J., Donachie, S., J.:Superalloys : a technical guide, 2.vyd. USA, 2002, 439 s.
[3] ASM INTERNATIONAL HANDBOOK COMMITTEE. ASM Handbook Volume 21: Composites. ASM International, 2001.
Recommended literature:
[1] Badeshia,H.,K.,D.,H.:Nickel Based Superalloys.Materials Science &Metallurgy, University of Cambridge [online], 2003 [cit.2009-03-31]. z:<http://www.msm.cam.ac.uk/phasetrans/2003/Superalloys/superalloys.html >
[2] Vasiliev, V., V. & Morozov, E., V.,: Mechanics and Analysis of Composite materials, Oxford: Elsevier, 2007.
[3] Military Specification MIL-A-12560H (MR),Amendment 3. „Armor Plate, Steel, Wrought, Homogeneous (For Use Combat-Vehikles and for Ammunition Testing)“, September, 2000.
Way of continuous check of knowledge in the course of semester
E-learning
E-learning Technické materiály II
Other requirements
Presentation of programs 1 to 3.
Prerequisities
Subject has no prerequisities.
Co-requisities
Subject has no co-requisities.
Subject syllabus:
Lectures:
- Introduction - A general overview of special materials and examples of their practical application.
- Rapid solidification, physical and metallurgical characteristics.
- Amorphous alloys, technologies of preparation, mechanical, corrosion and magnetic properties. Devitrification.
- Nanocrystalline materials, basic evaluation of physical and chemical characteristics, basic structural characteristics.
-Preparation technique of nanocrystalline materials, mechanical properties, multi-functional materials.
- Intermetallics, microstructural characteristics, physical and mechanical properties of technologically important types of intermetallics.
- Technical and technological aspects of mechanical alloying, basic technological process parameters, physical and metallurgical characteristics, strengthened alloys by oxide dispersion.
- Magnetic materials, physical nature, hard and soft magnets.
- Superconductors, physical parameters of production technology and the use of superconductors. Low-and high-temperature superconducting materials. Degradation.
- Superplastic materials, types of superplasticity and its physical and metallurgical characteristics, microstructure.
- Polymeric materials, visco-elastic properties-models. Physical properties of real polymers. Electrical properties.
- Fillers and their effects on mechanical properties of polymers.
- Fatigue processes and antidegradation for polymers.
Exercise:
- Introduction - familiarization with filling the exercises, conditions of granting credits, designate the semestral assignment topics.
- Overview of the special materials and examples of their application.
- Devitrification of amorphous alloys. Program Number 1
- Nanocrystalline materials. Structural phase analysis of friction materials for automobile brake systems. Program Number 2
- Materials produced by powder metallurgy. Evaluation of the grain size of the powders.
- Intermetallics. Structural phase analysis of intermetallics.
- Magnetic materials. Structural phase analysis of transformer plates.
- Polymeric materials. Determination of coefficient of thermal expansion of polymeric materials. Program Number 3
- Determination of Young modulus and Poisson's number by ESPI method.
- Excursion.
- Presentation of semestral assignment.
- Credits count.
Conditions for subject completion
Occurrence in study plans
Occurrence in special blocks
Assessment of instruction