MT403

Corrosion Engineering 

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Electrochemical and thermodynamic principles, Nernst equation and electrode  potentials  of   metals, EMF and galvanic  series, merits and demerits; origin of Pourbaix diagram and its importance to  iron, aluminium and magnesium metals

    

Exchange  current density, polarization -  concentration, activation and resistance, Tafel equation; passivity, electrochemical  behaviour  of active/passive  metals,  Flade potential, theories of passivity

 

Atmospheric, pitting, dealloying,  stress  corrosion cracking, intergranular corrosion, corrosion fatigue,  fretting corrosion and high temperature oxidation;  causes and remedial measures

 

Purpose of testing, laboratory, semi-plant and field tests, susceptibility tests for IGC, stress corrosion cracking and pitting, sequential procedure for laboratory and on-site corrosion investigations, corrosion auditing and corrosion map of India

 

Corrosion prevention by design improvements, anodic and cathodic protection, metallic, non-metallic and inorganic coatings, mechanical and chemical methods and various corrosion inhibitors

TEXT BOOKS

1.       Raj Narayan, ‘An Introduction to Metallic Corrosion and its Prevention’, 1st Edition, Oxford and IBH, 1983

2.       Fontana M. G., Greene N. D., ‘Corrosion  Engineering’, 2nd  Edition, McGraw Hill, 1983

 

REFERENCES

 

1.             Denny Jones, “Principles and Prevention of Corrosion”, Prentice Hall of India, 1996.