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Corrosion and Protection against Corrosion

Type of study Follow-up Master
Language of instruction Czech
Code 653-3022/01
Abbreviation KOPK
Course title Corrosion and Protection against Corrosion
Credits 4
Coordinating department Department of Materials Engineering and Recycling
Course coordinator Ing. Josef Hlinka, PhD.

Subject syllabus

1. Basic terms and definitions, types of corrosion, problems caused by corrosion, economic aspects of corrosion and protection. Literature and online resources.
2. Electrochemical corrosion - electrode potentials, standard metal potentials, exchange current and equilibrium potential, Nernst equation. Active, passive and immune status, E-pH diagrams (Pourbaix). Corrosive galvanic cells.
3. Anodic and cathodic processes, partial and total (electrochemical) reactions, corrosion current density and corrosion potential. Polarization curves. Faraday's laws, corrosion rates. Application on examples.
4. Atmospheric corrosion of metals, effects of humidity and pollution, degree of aggressiveness, testing methods and methods of corrosion protection.
5. Corrosion in waters and soils, effects of environmental composition, corro-sion by stray currents, microbial corrosion. Corrosion of steel rods in concrete.
6. Locally and structurally dependent types of corrosion (point, slit, inter-granular). Influence of mechanical stresses (corrosion cracking, corrosion fatigue, fretting).
7. Chemical corrosion: thermodynamics, reactions, kinetics. Types of corrosion in oxidation and reducing atmospheres, damage by hydrogen. Refractory alloys.
8. Corrosion properties of significant technical metals and their alloys (Fe, Al, Mg, Cu, Zn, Ni, Ti). Stainless steels and alloys.
9. Corrosion protection - selection of material, surface protection, environmental treatment, electrical (cathodic) protection, design solutions.
10. Chemical surface treatment. Degreasing, pickling. Creating conversion, diffusion and oxidation layers. Electrochemical processes and surface treatment (pickling, polishing). Galvanic coating deposition, benefits and problems.
11. Hot sprays and their industrial use, principles, additives, used equipment. Surface modification by laser, and ion implantation. PVD and CVD technology. Nanotechnology for corrosion protection.
12. Methods of surface study, X-ray. microanalysis, AES, XPS, SIMS. Testing of thickness, adhesion and porosity of coatings. Surface roughness. Damage of coatings and layers due to mechanical stress, thermal stresses and wearing.
13. Testing of corrosion protection according to standards, selected methods. Operational tests and corrosion monitoring, direct and indirect methods, non-destructive tests. Examples of damaged devices in practice. Design of corrosion protection.

Literature

UHLIG, H., REVIE, W. Corrosion and Corrosion Control. An Introduction to Corrosion Science and Engineering. 4th ed. New York: Wiley-Interscience, 2008. ISBN 978-0-471-73279-2 .
GROYSMAN, A. Corrosion for Everybody. Dordrecht: Springer, 2010. ISBN 978-90-481-3476 (e-ISBN 978-90-481-3477-9 ).
JONES, D. A. Principles and Prevention of Corrosion. 2nd ed. New York: Prentice Hall, 1996. ISBN 0-13-359993-0 .

Advised literature

LANDOLT, D. Corrosion and surface chemistry of metals. Lausanne: CRC press, 2007. ISBN 1439807884 , ISBN 9780849382338.

SCHWEITZER P. A. Corrosion Engineering Handbook- 3 Volume. Sec. Ed. CRC Press 2006. ISBN 9780849396472 .