- Docente: Maria Bignozzi
- Credits: 6
- SSD: ING-IND/22
- Language: Italian
- Teaching Mode: Traditional lectures
- Campus: Bologna
-
Corso:
Second cycle degree programme (LM) in
Chemical and Process Engineering (cod. 0929)
Also valid for Second cycle degree programme (LM) in Mechanical Engineering (cod. 0938)
Learning outcomes
Students will learn about corrosion processes (metals) and
degradation mechanism (polymers and ceramic materials). Protection
systems in the area of industrial engineering will be described and
discussed.
Course contents
Morphology of corrosive phenomena, rate and penetration of
corrosive attack, type of corrosion. Electrochemical corrosion.
Thermodynamic: Nerst equation, corrosion tendency and electrode
potentials, Pourbaix diagrams. Cinetic aspects: polarization and
corrosion rate, causes of polarization. Passivaty. Effect of
stress: stress corrosion cracking, corrosion fatigue, hydrogen
cracking, etc. Localized corrosion: selective corrosion, pitting,
etc. Thermal, chemical, mechanical treatments of metal surfaces and
protection methods: metallic, inorganic and organic coatings.
Inhibitors and passivators. Anodic and cathodic protection. Dry
corrosion: thermodynamic and corrosion rate. High temperature
strength materials. Corrosive environment and choice criteria for
suitable materials.
Readings/Bibliography
H. Uhlig - Corrosion and Corrosion Control: an introduction to
corrosion science and engineering - John Wiley & Sons, Inc.
(1971).
Teaching methods
Frontal lessons and laboratory.
Assessment methods
Oral test
Teaching tools
Overheads projector, blackboard
Office hours
See the website of Maria Bignozzi