1. komponenta

Lecture type	Total
Lectures	30
Laboratory exercises	15

COURSE OBJECTIVE
The aim of the course is to familiarize students with various metallic materials and their physical and chemical properties relevant to practical application. Acquisition of fundamental knowledge on the mechanism of degradation of metallic materials due to corrosion processes and on possible ways of preventing these undesirable processes.

SYLLABUS
1. Introduction to corrosion. Significance and economic impact of corrosion. Chemical and electrochemical corrosion. Corrosion cell. Role of oxidizing agents.
2. Thermodynamics of corrosion. Spontaneity of reactions and Gibbs free energy. Nernst equation. Pourbaix diagrams. Concepts of immunity and passivity.
3. Kinetics of corrosion processes. Butler-Volmer equation. Wagner-Traud theory. Evans diagram. Activation and diffusion control.
4. Passivity of metals. Anodic polarization. Stability of the passive film. Influence of pH, chlorides, and temperature.
5. Determination of corrosion rate. Gravimetric methods. Linear polarization resistance (LPR) method. Stern-Geary relation. DC and AC electrochemical methods.
6. Localized corrosion. Galvanic corrosion. Crevice corrosion. Pitting corrosion. Intergranular corrosion. Stress corrosion cracking.
7. Field teaching - participation in a professional conference. Students attend selected lectures and professional presentations and analyze examples of the application of corrosion principles in industrial practice.
8. Midterm exam (colloquium).
9. Student presentations and discussion. Corrosion in natural and infrastructural environments. Atmospheric corrosion - corrosivity categories (ISO 9223). Atmospheric corrosion of copper and copper alloys. Corrosion of offshore structures - corrosivity zones. Corrosion in soil - soil corrosivity parameters. Galvanic corrosion - influence of the anode-to-cathode area ratio.
10. Student presentations and discussion. Corrosion in building and water systems. Corrosion of reinforcement in concrete - carbonation and chloride action. Measurement of the corrosion potential of reinforcement according to ASTM standards. Corrosion of steel in water supply systems - influence of hardness and pH. Corrosion of copper pipes in drinking water. Corrosion in closed heating and cooling systems.
11. Student presentations and discussion. Industrial systems and specific mechanisms. Corrosion in oil and gas systems - CO2 and H2S corrosion. Microbiologically induced corrosion. Corrosion in electronics. Stress corrosion cracking. Hydrogen embrittlement of metals.
12. Student presentations and discussion. Materials and microstructure. Microstructure and corrosion of steel. Corrosion of stainless steels - PREN and pitting corrosion resistance. Corrosion of aluminum and aluminum alloys. Anodic metal coatings (nickel, chromium). Zinc coatings - protection mechanisms.
13. Student presentations and discussion. Cathodic protection - principles and application. Anodic protection - principles and application. Corrosion inhibitors - mechanisms of action and application. Zinc coatings - hot-dip galvanizing and electrochemical deposition. Protective coatings - coating systems and quality control.
14. Questions and answers. Analysis of typical mistakes. Integrative problem-solving tasks and systematization of course material.
15. Final exam (colloquium).

PRACTICAL EXERCISES
1. Determination of corrosion rate by linear polarization; 2. Galvanic corrosion; 3. Cathodic protection of metals; 4. Passivity of metallic materials; 5. Determination of coating system thickness

PREREQUISITES FOR COURSE ENROLLMENT
Completed courses: all courses of the 1st year of study

PREREQUISITES FOR TAKING THE EXAM
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DEVELOPMENT OF STUDENTS' GENERAL AND SPECIFIC COMPETENCES
After completing the exercises and passing the exam in the course Metallic Materials, Corrosion and Protection, students will understand the principles of corrosion processes and master the methodology of metal protection, and will be qualified to assess the suitability of individual metals for application.

STUDENT OBLIGATIONS IN TEACHING AND METHODS OF FULFILLING THEM
Regular attendance of lectures and exercises.

METHOD OF INSTRUCTION
Lectures and laboratory exercises

METHOD OF ASSESSING KNOWLEDGE AND TAKING THE EXAM
Entry colloquia (tests) for laboratory exercises. Written and oral exam

METHOD OF MONITORING THE QUALITY AND SUCCESS OF THE COURSE
Student survey

1. apply fundamental knowledge of electrochemistry and chemical engineering to the phenomenon of electrochemical corrosion.
2. identify types of corrosion, their causes and consequences
3. To explain the operating principles of corrosion protection techniques

1. Materijali predavanja na stranicama FKIT-a, Sanja Martinez,
2. Corrosion Atlas Case Studies: 2021 Edition, Atlas je zbirka stvarnih primjera korozijskih oštećenja po vrstama materijala, s fotografijama, uzrocima i rješenjima. Sadrži i uvodni dio s temeljitim osnovama korozije uz jasne ilustracije. Povezuje teoriju s industrijskom praksom., Khoshnaw F, Elsevier, 2022.

Enrollment :
Passed : Calculus II
Passed : Chemical analysis of materials
Passed : Computer programming and application
Passed : General chemistry
Passed : Inorganic chemistry
Passed : Mechanics of materials
Passed : Physics II

Mandatory course - Regular studij - Materials Science and Engineering