Page 784 - Corrosion Engineering Principles and Practice

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D Direct current voltage gradient
Damage (see Corrosion damage) (DCVG) surveys, 576
Daniell cells, 35, 36 Direct examinations, for ECDA, 514–515
Davy, Humphry, 176, 711 Direct inspection, for MIC, 420
DC (see Direct current) Discounted cash-flow method, 441–442
DCVG (direct current voltage Dissimilar metal corrosion (see
gradient) surveys, 576 Galvanic corrosion)
Dealloying, 181–183 Dissolved oxygen (DO):
Dechema soil corrosivity worksheet, and fresh water, 270
394, 395 and oxygen concentration cells,
Decision trees, 464 233–235
Deicing, 341–343 in steam condensate systems, 286
Deicing salts, 341–348 Dissolved solids, in fresh water, 273
benefits of, 341–343 Distension, 382
effects of, 343–349 Distilled water, 95, 285
Deionization, 285 Distribution systems, 400–401
Delamination, 597 DO (see Dissolved oxygen)
∆G, 60 DOT (see Department of
Demineralized water, 285 Transportation)
Density, 718 Drainage:
Denting, 241 design for, 454–459
Department of Transportation (U.S.): and metals, 455
on cost of corrosion damage, 14 Dry abrasive blasting, 655
Federal Highway Administration, Dry corrosion (see High-temperature
507, 508 corrosion)
and NACE International, 14 Dry film gauging, 645
and pipeline failures, 507, 508 Dry spraying, 591
Deposition erosion, 180 DSA (dimensionally stable anodes), 560
Desalination, 213 Ductile iron:
Design, 451–462 coating for, 623
for attachments, 459–462 for piping, 258
considerations for, 451–454 Dunnage, 336
for drainage, 454–459 Duplex stainless steels, 687
for joining, 459–462 Dynamic viscosity, 723
Desmutting, 138
Desulfovibrio, 422 E
Details examination, 517–518 ECA (electrokinetic charge), 285
Detergents, and concrete, 406 ECDA (see External corrosion damage
Detonation guns, 633 assessment)
Dew, 335 Economic analysis, 441–443
Dew point, 338–339 ECS (Electrochemical Society), 714
Dicyclohexylamine benzoate, 622 Education:
Dicyclohexylamine caprylate, 622 of corrosion engineers, 11–12
Dicyclohexylamine nitrate, 622 of engineers, 6, 11–12
Differential aeration (oxygen of operatives, 6–7
concentration) cells, 233–235 of scientists, 6
Diffusion coefficient, 718 of technicians, 6
Diisopropylamine nitrate, 622 of technologists, 6
Dillon, Paul, 147–149 and training, 7–8
Dimensionally stable anodes EFC (European Federation of
(DSA), 560 Corrosion), 5
Dip slides, 418 Eiffel Tower, 4
Direct current (DC), 107, 237 EIS (see Electrical impedance
Direct current polarization test spectroscopy)
methods, 108–116 Elastic wave tools, 522
cyclic polarization test, 109 Electric arc spraying, 633
linear polarization resistance, 112–116 Electrical charge, 718
potentiodynamic polarization, Electrical conductance, 718
108–112 Electrical field strength, 718