List of Figures

List of Figures and Photographs

Chapters 1 - 4

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Chapter 1 Introduction to Corrosion
	Corroded pipe bend	Leaking underground container	20" Cast iron pipe	Corrosion in metal exposed to air and humidity	Corrosion in marine environment.

	Corrosion in a heat exchanger shell	Corrosion in steel in contact with concrete	Leaking container	Damaged heat exchanger tubes	Corrosion inner liner

	Site of Chernobyl disaster	Major investors on corrosion	Break-up of damage caused by corrosion on concrete

Chapter 2 Understanding Corrosion
	Corrosion = Extractive metallurgy in reverse	Components of corrosion	Method of measurement of corrosion potential	Formation of rust	Simplified model of electric double layer

	Electric double layer showing Helmholtz inner and outer layers	Exchange current densities of H₂ on Hg, Fe, Pt.	Illustration of polarization	Polarization at 0 A	Polarization at 100 A

	Polarization at 200 A	Polarization at 250 A	Polarization diagram of Zinc	Polarization diagram of Hydrogen reaction	Concentration polarization showing limiting current density

	Total polarization	Effect of ohmic resistance on current

Chapter 4 Forms of Corrosion: Uniform Corrosion
	Uniform corrosion on exposed metal	Uniform corrosion in industrial sheds	Uniform corrosion causing rusting of automobiles	Uniform corrosion in industrial plants	Mechanism of uniform corrosion in marine atmosphere

	Formation of rust in a water droplet

Galvanic Corrosion

	Galvanic corrosion in a stainless steel screw in contact with a cadmium plated steel washer	Bolts severely corroded by galvanic corrosion	Galvanic corrosion at pipe joints	Galvanic corrosion at contact surface of dissimilar metals

Pitting Corrosion

	Pits on a 314 Stainless Steel coupon	Pits along a grain boundary of an Inconel autoclave casing	Pits in an aluminum pipe exposed to moist saline alkaline soil	Various morphologies of pits in aluminum.	Mechanism of pitting at sulphide inclusions

	Pipeline section showing pitting and general corrosion

Intergranular Corrosion
	Corrosion at grain boundaries due to Chromium depletion	Grain boundary corrosion in stainless steel	Corrosion mechanism in sensitized stainless steel	Selective attack on austenite phase due to IGC	Local IGC attack on stainless steel

	Knife-line attack in stainless steel welded joint

Stress Corrosion Cracking
	Stress Corrosion Cracking in steel in pre-stressed concrete	Intergranular SCC	Transgranular SCC	Sulphide SCC	Schematic of Film Rupture model

	Typical cleavage fracture in iron	Schematic of cracking under tensile stresses

Hydrogen Blistering
	Illustration of Hydrogen diffusion	Formation of blisters under the surface	Formation of blisters in the walls	High temperature hydrogen attack on a heat exchanger tube	Mechanism of Hydrogen induced cracking

	Specimen showing blistering of epoxy coating

Hydrogen Induced Cracking
Hydrogen Induced Cracking	Mechanism of Hydrogen induced cracking	Example of hydrogen induced cracking in an oil pipeline	Hydrogen damage in boiler tubes	Microstructure in HIC

Sulfide Stress Corrosion Cracking

Mechanism of SSCC

Chloride induced SSC in shaft sleeve

Chloride induced SSC in pump gaskets

Caustic Cracking

Stages in the life of a steam bubble

Caustic damage in a boiler tube

Caustic damage in tubes without accumulation of deposits

Crevice Corrosion
	Corrosion caused by a mixture of differential soils	Formation of concentration cell	Crevice corrosion in stainless steel pipe exposed to acid	Crevice corrosion under a rubber band in contact with stainless steel	Mechanism of crevice corrosion

	Crevice corrosion in a gear assembly	A ball bearing showing cold fusion and crevice corrosion	Nut and bolt assembly showing crevice corrosion.

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