Page 789 - Corrosion Engineering Principles and Practice

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Hot-dip galvanizing, 630 Impressed current cathodic protection
HSI (high-silicon iron), 557 (ICCP) (Cont.):
HSI anodes, 558 of ships, 68
HSLA (high-strength low-alloy, in soils, 536–537
weathering steel), 372 in water, 529–532
Hugel, 113 Impurities, of environment, 211–213
Hulot, M., 55 Incoloy, 378
Humidifying (bubble) towers, 471 Inconel, 200, 686
Humidity, 338–339 India, corrosion in, 365, 367
Humidity tests, 471 Indirect inspection:
HVOF (high-velocity oxy-fuel), 633 for ECDA, 513–514
Hydrated magnetite, 19 for ICDA, 516–517
Hydraulic cement, 623–624 Indoor atmospheric corrosion, 333–334
Hydrogen: Industrial atmospheric corrosion,
and alkalinity, 28–29 330, 401
atomic, 397 Infrastructure, 15
and color, 250–251 Inhibit gates, 498
generating, in laboratory, 31 In-line inspection (ILI, smart pigs,
nascent, 397 intelligent pigs), 518–522
power of, 29 crack detection tools, 521–522
and soils corrosion, 397 decision tree for, 464
Hydrogen blistering, 184 geometry tools, 522
Hydrogen sulfide, 273 and magnetic flux leakage, 519
Hydrogenase assays, 419 metal loss tools, 520–521
Hydrogen-induced cracking (HIC), and transmission pipelines, 518–522
183–184 (See also specific types, e.g.: Magnetic
Hydroscope (see Remote field flux leakage)
inspection) Inorganic binders, 612–613
Hydrostatic testing, 518 Inorganic (nonmetallic) coatings, 587,
Hydrothermal sealing, 141, 142 623–627
Hydrotreating, 693 anodizing of, 625
Hydrous ferrous oxide, 19 and cementation, 627
Hydroxyl: ceramics, 624–625
and alkalinity, 28 chromate filming, 626
and cathodic reactions, 250–251 glass, 624–625
hydraulic cement, 623–624
I and nitriding, 626
passive films, 626–627
IBED (ion beam enhanced phophatizing of, 625–626
deposition), 634 Inorganic zinc coatings, 600, 607
ICCP (see Impressed current cathodic Inspection:
protection) of coatings, 638–647
ICDA (see Internal corrosion damage ultrasonic, 151, 153
assessment) Institute for Safety Analysis (TISA), 341
ILI (see In-line inspection) Insulation, thermal, 399
Immunity region, 79 Intelligent pigs (see In-line inspection)
Impact echo/spectral analysis, 267 Intercrystalline (intergranular)
Impingement, 453 cracking, 195
Impressed current cathodic protection Intergranular corrosion, 160, 161,
(ICCP), 556–561 180–181
and anode backfill, 540–543 Intergranular (intercrystalline)
and anode beds, 538–540 cracking, 195
boundary element methods for, 578 Intermediate (secondary) coatings, 609
for concrete, 545–547 Internal corrosion damage assessment
consumable anodes, 556–557 (ICDA), 515–518
and corrosion cells, 397 details examination, 517–518
interference problems with, 401 indirect inspection, 516–517
modeling for, 579–582 postassessment, 517–518
nonconsumable anodes, 559–561 preassessment, 515–516
protection with, 134 and transmission pipelines, 515–518
semiconsumable anodes, 557–559