Course

Unit 1 Introduction to CorrosionMechanisms of Chemical corrosion, electrochemical corrosion, concentration cell corrosion, pitting corrosion, intergranular corrosion, waterline corrosion, stress corrosion.Unit 2 Cathodic ProtectionBasis of cathodic protection, working of cathodic protection, electrochemical theory of cathodic protection, design parameters in cathodic protection, cathodic protection interferences.Unit 3 Corrosion KineticsFaradays laws of electrolysis and its application in determining corrosion rates, the laws, corrosion kinetics, mixed potential theory and its application, resistance polarization, determination of corrosion rates by electrochemical measurements, kinetics of passivity.Unit 4 Corrosion Prevention by DesignCorrosive environment, stages in design processes, soldering and threading, crevices, flowing water systems, design for liquid containers, design in packaging, coating and design, storage of combat vehicles.Unit 5 Selection of Materials for Corrosive EnvironmentFactors affecting the performance of materials, materials classification, materials and fluid corrosivity, corrosion behaviour of several materials.

Course Objective: To introduce the students to the underlying science of corrosion, thermodynamic and kinetic principles, mass transfer and potential theory, the causes, mechanism and prevention methods of various types of corrosion, its measurement and combating methods.Course outcomesOn completion of the course the student will be able toCO1: Understand the fundamentals of corrosion reactions and their mechanismCO2: Identify the forms of corrosionCO3: Evaluate corrosion rate and passivation potentialCO4: Provide methods for protection of materialsCO5: Select a suitable material for a specific application

TEXTBOOKS1.Mars G. Fontana, Corrosion Engineering, 3rd edition, Tata McGraw-Hill, 2005.2.P.E. Philip A. Schweitzer, Corrosion Engineering Handbook, 2nd edition, Inco alloys International, 1996.REFERENCES1.R. Winston Revie and Herbert H Uhlig, Corrosion and Corrosion Control, 4th edition, John Wiley & Sons, 2008.2.Zaki Ahmad, Principles of Corrosion Engineering and corrosion, 3rd edition John Wiley & Sons, 2006.