Page 776 - Corrosion Engineering Principles and Practice

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Alloys: American Coordinating Committee on
copper, 200 Corrosion, 714
corrosion of, 378 American Petroleum Institute
crystalline structure of, 23–25 (API), 503
gold, 200 American Society for Metals (ASM), 714
in heat exchangers, 293 American Society for Testing and
magnesium, 200 Materials (ASTM), 464, 465, 714
microbial degradation, 386 on CLIMAT coupons, 353
and oxidation, 663 committees of, 465
stress corrosion cracking in, 200 corrosion test handbook of, 467–468
testing of, 688 on grain size, 25
(See also specific types, e.g.: Recommended Practice D1435, 382
Aluminum alloys) standards of (see specific standards,
Alloying, 709 e.g.: ASTM B 117)
bulk, 687 on sulfur dioxide, 350
laser surface alloying, 635 American Water Works Association
Alternating current (AC), 107, 563 (AWWA):
Alternating current polarization, 120 corrosion control program of, 262
Aluminum: soil corrosivity scale of, 392–393
atmospheric corrosion of, 377–379 on water usage, 257, 258
chemical reactions, 32 Ammonia, in fresh water, 273
chromate filming for, 626 Amphoteric, 405
and copper, 180, 378 Anaerobes, 411
corrosion of, 362 Anaerobic bacteria, 407, 412
E-pH diagram for, 76–81 Analysis matrix, 218
and free iron concentrations, 319 AND gates, 496
in fresh water, 272 Angular velocity, 722
in heat exchangers, 293 Anodes:
heat-resisting, 607 and cathodic protection, 553–561
oxidized, 78 consumable, 556–557
Pourbaix diagram of, 76–77, 79 dimensionally stable anodes, 560
reactivity of, 19, 21 galvanic, 553
and rust, 378 HSI, 558
sealing, 142 ICCP, 556–561
for seawater applications, 527–528 installation of, 538
and soils corrosion, 404 magnesium, 540, 554
for spray coatings, 632 nonconsumable, 559–561
and steel, 378 platinized, 560
tank-finish, 604 polymeric, 557
and water corrosion, 276 sacrificial, 553–555
water-borne, 608 semiconsumable, 557–559
Aluminum alloys: zinc, 553
atmospheric corrosion of, 377–379 Anodic coatings, 141–142
coatings for, 404 hydrothermal sealing, 141, 142
film growth on, 202 nickel-free environment-friendly
stress corrosion cracking in, 200 seals, 142
wrought, 438, 439 sealing of, 141–142
Aluminum anodes, 554 Anodic oxide, 140
Aluminum anodic reaction, 38 Anodic polarization, 85, 108
Aluminum anodizing, 137–142 Anodic processes, 38–39
and anodic coatings, 141–142 aluminum anodic reaction, 38
and oxide film, 140 iron anodic reaction, 38
process of, 138–140 nickel anodic reaction, 38
Aluminum finishing coats, 604 and polarization, 85
Aluminum-air power source, 55–59 Anodic protection, 135–137
Aluminum-air reactions, 50, 61 Anodizing, 138, 377, 588
Ambient temperature, 336, 337 chromic acid, 139–140
American Chemical Society (ASC), 714 hardcoating, 139
American Committee on Electrolysis, inorganic coatings, 625
215, 714 with oxalic acids, 139, 140