'Corrosion Science' is a course offered for the B. Tech. programs at the School of Engineering, Amrita Vishwa Vidyapeetham.
Unit 1
Basic principles: Free energy concept of corrosion - different forms of corrosion - Thermodynamic & Kinetic aspects of corrosion: The free energy criterion of corrosion possibility - Mechanism of Electrochemical corrosion - Galvanic and Electrochemical series and their significance.
Corrosion Control: Materials selection - metals and alloys - metal purification - non metallic - changing medium.
Unit 2
Anodic and cathodic protection methods - Coatings - metallic and other inorganic coatings - organic coatings - stray current corrosion - cost of corrosion control methods.
Corrosion protection by surface treatment: CVD and PVD processes - Arc spray - Plasma spray - Flame spray
Corrosion Inhibitors: Passivators - Vapour phase inhibitor.
Unit 3
Stress and fatigue corrosion at the design and in service condition - control of bacterial corrosion.
Corrosion protection: Automobile bodies – engines – building construction.