Index
389
shatter cracks and, 63
types of, 59–65
Hydrogen electrode, activation
polarization curve, 17
Hydrogen embrittlement, 59–60
due to hydride formation, 62
due to microorganisms, 53
environmental, 62
and hydrogen stress cracking, 60–61
and loss of ductility, 59–60
preventive measures, 66–67
Hydrogen environment embrittlement,
62
Hydrogen evolution, 6, 15, 17, 18
Hydrogen overpotentials, metals, 261
Hydrogen peroxide, 97
Hydrogen reduction reaction, 16
Hydrogen sources, 58–59
Hydrogen stress cracking (HSC), 60–61,
61
Hydrogen sulfide, 99, 330
in petroleum refining, 359
Hydrolysis, of polymer materials, 157
Hydrotreating, in petroleum refining,
362
Hypalon, 178, 195
Hypophosphite, as reducer for nickel
coating, 269
I
Imines, as organic inhibitors, 315
Immunity, 142
Immunity zone, 13
Impingement, 45
Impressed current systems, 299–300,
303–304
anode materials and backfill,
304–305
colorimetric test, 306
coupon test, 306
current requirements, 304
potential measurements, 306
testing for completeness of
protection, 305–306
Inconel alloys, corrosion resistance,
125–126
Indirect losses, 2–3
Indoor atmospheric compounds, 329,
331
as corrodents, 101
Indoor atmospheric corrosion, 153–154
Induction period, 85
Industrial atmospheres, 78, 329
austenitic steels in, 123
carbon steel corrosion in, 341
carbon steel in, 102
combined with marine, 331
copper corrosion rate in, 265
Galvalume exposure in, 288
nickel attack in, 270
steel corrosion in, 106
sulfur contamination in, 78
Inert anodes, 303, 304
Inert pigments, 202
Infrared energy, 126, 158, 208
Inhibition, 309
chemical industry design
considerations, 357
mechanisms of action, 309, 310
Inhibitor reactivity-efficiency
relationships, 321
Inhibitors, 43, 67, 374. See also Corrosion
inhibitors
classification, 309, 311
evaluation, 310–311
modification by microbes, 54
preventing hydrogen attack using, 66
use in water treatment and supply
systems, 366–368
Initial exposure, role in atmospheric
corrosion, 85
Inspection, 336
chemical industry considerations,
358
coating applications, 240–241
Installation costs, reductions with
cathodic protection, 307
Installation techniques, 4
Insulated fittings, 372
Insulation material
calcium silicate, 345
cellular glass, 347
design characteristics, 344–348
expanded perlite, 345–346
flexible elastomer, 347
glass fiber, 346
389
shatter cracks and, 63
types of, 59–65
Hydrogen electrode, activation
polarization curve, 17
Hydrogen embrittlement, 59–60
due to hydride formation, 62
due to microorganisms, 53
environmental, 62
and hydrogen stress cracking, 60–61
and loss of ductility, 59–60
preventive measures, 66–67
Hydrogen environment embrittlement,
62
Hydrogen evolution, 6, 15, 17, 18
Hydrogen overpotentials, metals, 261
Hydrogen peroxide, 97
Hydrogen reduction reaction, 16
Hydrogen sources, 58–59
Hydrogen stress cracking (HSC), 60–61,
61
Hydrogen sulfide, 99, 330
in petroleum refining, 359
Hydrolysis, of polymer materials, 157
Hydrotreating, in petroleum refining,
362
Hypalon, 178, 195
Hypophosphite, as reducer for nickel
coating, 269
I
Imines, as organic inhibitors, 315
Immunity, 142
Immunity zone, 13
Impingement, 45
Impressed current systems, 299–300,
303–304
anode materials and backfill,
304–305
colorimetric test, 306
coupon test, 306
current requirements, 304
potential measurements, 306
testing for completeness of
protection, 305–306
Inconel alloys, corrosion resistance,
125–126
Indirect losses, 2–3
Indoor atmospheric compounds, 329,
331
as corrodents, 101
Indoor atmospheric corrosion, 153–154
Induction period, 85
Industrial atmospheres, 78, 329
austenitic steels in, 123
carbon steel corrosion in, 341
carbon steel in, 102
combined with marine, 331
copper corrosion rate in, 265
Galvalume exposure in, 288
nickel attack in, 270
steel corrosion in, 106
sulfur contamination in, 78
Inert anodes, 303, 304
Inert pigments, 202
Infrared energy, 126, 158, 208
Inhibition, 309
chemical industry design
considerations, 357
mechanisms of action, 309, 310
Inhibitor reactivity-efficiency
relationships, 321
Inhibitors, 43, 67, 374. See also Corrosion
inhibitors
classification, 309, 311
evaluation, 310–311
modification by microbes, 54
preventing hydrogen attack using, 66
use in water treatment and supply
systems, 366–368
Initial exposure, role in atmospheric
corrosion, 85
Inspection, 336
chemical industry considerations,
358
coating applications, 240–241
Installation costs, reductions with
cathodic protection, 307
Installation techniques, 4
Insulated fittings, 372
Insulation material
calcium silicate, 345
cellular glass, 347
design characteristics, 344–348
expanded perlite, 345–346
flexible elastomer, 347
glass fiber, 346