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Friday, November 23, 2012

EL3314 CORROSION SCIENCE & ENGINEERING SYLLABUS | ANNA UNIVERSITY BTECH CHEMICAL AND ELECTROCHEMICAL ENGINEERING 6TH SEMESTER SYLLABUS REGULATION 2008 2011 2012-2013

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EL3314 CORROSION SCIENCE & ENGINEERING SYLLABUS | ANNA UNIVERSITY BTECH CHEMICAL AND ELECTROCHEMICAL ENGINEERING 6TH SEMESTER SYLLABUS REGULATION 2008 2011 2012-2013 BELOW IS THE ANNA UNIVERSITY SIXTH SEMESTER B.TECH CHEMICAL AND ELECTROCHEMICAL ENGINEERING DEPARTMENT SYLLABUS, TEXTBOOKS, REFERENCE BOOKS,EXAM PORTIONS,QUESTION BANK,PREVIOUS YEAR QUESTION PAPERS,MODEL QUESTION PAPERS, CLASS NOTES, IMPORTANT 2 MARKS, 8 MARKS, 16 MARKS TOPICS. IT IS APPLICABLE FOR ALL STUDENTS ADMITTED IN THE YEAR 2011 2012-2013 (ANNA UNIVERSITY CHENNAI,TRICHY,MADURAI, TIRUNELVELI,COIMBATORE), 2008 REGULATION OF ANNA UNIVERSITY CHENNAI AND STUDENTS ADMITTED IN ANNA UNIVERSITY CHENNAI DURING 2009

EL3314 CORROSION SCIENCE & ENGINEERING L T P C
3 0 0 3
UNIT I BASIC ASPECTS 9
Introduction, classification, economics, emf series, Galvanic series. Corrosion theories :
derivation of potential – current relationships of activation controlled and diffusion controlled
corrosion processes. Potential – pH diagrams Fe-H2O system, application and
limitations. Passivation-definition, anodic passivation theory of Passivation.
UNIT II FORMS OF CORROSION 9
Definition, factors and control methods of various forms of corrosion : uniform, galvanic,
pitting, inter granular, crevice, dezincification, stress corrosion, corrosion fatigue, hydrogen
embrittlement.
UNIT III ATMOSPHERIC CORROSION AND PROTECTIVE COATINGS 9
Atmospheric corrosion – classification, factors influencing atmospheric corrosion, temporary
corrosion preventive methods ; organic coating – surface preparation, natural, synthetic
resin, paint formulation and applications. Paint testing and evaluation.
UNIT IV IMMERSION CORROSION AND ELECTROCHEMICAL PROTECTION 9
Corrosion in immersed condition : effect of dissolve gases, salts, pH, temperature and flow
rates of corrosion; marine corrosion. Underground corrosion – corrosion process in the soil,
factors influencing soil corrosion, Biological corrosion definition, mechanism of biological
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corrosion control of bio corrosion. Electrochemical methods of protection theory of cathodic
protection, design of cathodic protection, sacrificial anodes, impressed current anodes,
anodic protection. Corrosion inhibitors for acidic, neutral and alkaline media, cooling water
system - boiler water system. Corrosion resistant alloys.
UNIT V CORROSION MONITORING 9
Laboratory corrosion tests, accelerated chemical tests for studying different forms of
corrosion. Electrochemical methods of corrosion rate measurements by Gravimetric, Tafel
polarization, linear polarization, cyclic polarization, impedence spectroscopy, harmonics and
NDT techniques- ultrasonics, radiography eddy current.
TOTAL : 45 PERIODS
TEXT BOOKS
1. S.N.Banerjee, “An Introduction to Corrosion Science and Corrosion Inhibition”, Oxonian
Press P.Ltd., New Delhi, 1985.
2. Zaki Ahmad, “Principles of Corrosion Engineering & Corrosion Control”, Butterworth
Heinemann, 2006
3. M.G.Fontana & N.D. Greene, “Corrosion Engineering”, McGraw Hill, New York , 1978.
REFERENCES
1. LL.Shrier “Corrosion”, Vol. I & II, Butterworth Heinemann, 1994.
2. H.H.Uhlig and R.W.Revie, “Corrosion and Corrosion Control”, A Wiley – Inter Science
Publication John Wiley & Sons, New York, 3rd Edition, 1985.

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