636-3016/03 – Materials for special application (MSPn)
| Gurantor department | Department of Material Engineering | Credits | 4 |
| Subject guarantor | prof. Ing. Zdeněk Jonšta, CSc. | Subject version guarantor | prof. Ing. Zdeněk Jonšta, CSc. |
| Study level | undergraduate or graduate | Requirement | Choice-compulsory type B |
| Year | 2 | Semester | winter |
| | Study language | Czech |
| Year of introduction | 2019/2020 | Year of cancellation | 2021/2022 |
| Intended for the faculties | FMT | Intended for study types | Follow-up Master |
Subject aims expressed by acquired skills and competences
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
Teaching methods
Lectures
Tutorials
Experimental work in labs
Summary
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.
Compulsory literature:
Recommended literature:
Additional study materials
Way of continuous check of knowledge in the course of semester
Continuous verification of learning outcomes:
full-time study form - 1 writen test, 4 writen programs during the semester;
combined study form - 1 semestral project.
Final verification of study resalts;
writen test, oral exam.
E-learning
Other requirements
There are no further requirements.
Prerequisities
Subject has no prerequisities.
Co-requisities
Subject has no co-requisities.
Subject syllabus:
- 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.
Conditions for subject completion
Occurrence in study plans
Occurrence in special blocks
Assessment of instruction