Czech

2

Graduate of the course will be able to apply the acquired knowledge in doctoral study of material engineering and in particular in solving dissertation work connected with research in the field of advanced structural, electroceramic and bioceramic materials.

Knowledge of material sciences and engineering at Masters level.

Not applicable.

The course is taught through lectures explaining the basic principles and theory of the discipline.

The examination of the theoretical knowledge assessment and its practical application will take the form of a 30-minute presentation with a discussion on advaced ceramic topics close to the doctoral dissertation's goals.

Not applicable.

Not applicable.

The course will provide students with the advanced physico-chemical knowledge required for experimental study in the field of structure and properties of ceramic materials and composites.

The course will take place according to the number of candidates through consultations or lectures. At the end of the course the doctoral student will prepare a thematic presentation from the field of advanced ceramic materials.

Not applicable.

Not applicable.

Swain M. (volume editor): Structure and properties of ceramics, vol.11 of Materials Science and Technology, WCH, Weinheim 1994
Ravagoli A. and Krajewski: Bioceramics, Chapman and Hall, London 1992

Not applicable.

20 hours, optionally

1. Diffusion in ceramic materials
– Regular structure of ceramics
– Imperfections i ceramics (notation of point defects)
– Theory of diffusion
– Examples of diffusion in ceramics
– Processes involving diffusion

2. Mechanical behavior of ceramics
– Elasticity:
– elastic moduli of simple crystal and polycrystalline ceramics
– influence of porosity
– Fracture:
– fracture at the atomic level
– crack initiation
– crack propagation
– influence of microstructure on fracture
– Plasticity:
– slip at the atomic level
– dislocation glide in ceramics
– high temperature plasticity
– mechanisms of creep
– Toughening mechanisms in ceramics, classification of toughened ceramics,
transformation toughening, zirconia ceramics, reinforcement of whiskers

3. High temperature engineering ceramics
– Material properties requirements
– Oxide ceramics for high temperature engineering applications (alumina,
zirconia, mullite, cordierite)
– Non-oxide ceramics for high temperature applications (silicon nitride, silicon carbide, sialons)
– Ceramic matrix composites

4. Ceramic superionic conductors
– Theory of superionic conduction
– Techniques for studying transport and kinetic properties in superionic
conductors:
– oxygen-ion conductors (doped zirconia, ceria, hafnia, bismuth
oxide, pyrochlores, b-aluminas)
– proton conductors (doped cerate, zirconates, b-aluminas)
– Devices bsed on ceramic superionic conductors (sensors, electrochemical
reactors, electrochemical pumps, hydrogen production, fuel cells, …)

5. Ferroelectric ceramics
– Crystal structure nad ferroelectricity
– High permitivity dielectrics
– Pyroelectric devices
– Piezoelectric devices
– Electrooptic devices
– Termistors

6. Ferrimagnetic ceramics
– Basic concepts
– Ferrite crystal structures
– Microstructure and grain boundary chemistry

7. Semiconducting polycrystalline ceramics
– Semiconductivity and grain boundary effects
– Electrostatic barriers nad transport properties

8. Oxide superconductors
– Crystal structures (cuprates, bismuth perovskites)
– Properties of cuprates (superconductivity, transition temperature, critical magnetic fields, critical current density
– Thin films

9. Biomaterials for surgical use
- Physical properties and physiology of bone (bone restoring mechanisns, physical properties of bone, chemical composition of bone
- Compatibility between bioceramics and the physiological environment
- Materials for surgical use (metals, polymers, ceramics): main surgical alloys, biomedical polymers, biological glasses, ceramics – alumina, zirconia,titania, silicon nitride, composite aluminous ceramics, sialons, phosphate ceramics