| 000 | 01393nab a2200205 4500 | ||
|---|---|---|---|
| 005 | 20260520000857.0 | ||
| 008 | 260224s2009 xxu | ||
| 245 | 0 | 0 | _aFactors Contributing to Corrosion of Steel Pilings in Duluth-Superior Harbor |
| 260 |
_a _b _cnov. 2009 |
||
| 270 | _a07/07/2010 ; 07/07/2010 | ||
| 300 | _a11 p. ; 707-717 | ||
| 520 | _aTranscripción del resumen del autor. Field observations and laboratory testing were used to conclude that aggressive localized corrosion of carbon steel pilings in Duluth-Superior Harbor, Minnesota and Wisconsin, is caused by the following sequence of biological, chemical, and physical events. Iron-oxidizing bacteria colonize the carbon steel sheet pilings and produce tubercles, made up of intact and/or partly degraded remains of bacterial cells mixed with amorphous hydrous ferric oxides. The reducing conditions beneath the tubercles cause copper dissolved in the water to precipitate. A galvanic couple is established between the copper layer and the iron substratum. Ice scouring breaks the tubercles. Exposure of the copper-covered iron to oxygen causes the galvanic current to increase. The result is aggressive localized corrosion. | ||
| 581 | _a11 | ||
| 773 | 0 |
_tCorrosion _g65 |
|
| 942 | _cARTICULO | ||
| 100 | 1 |
_aRay, R. _943533 |
|
| 100 | 1 |
_aLee, J. _914754 |
|
| 100 | 1 |
_aLittle, B. _943534 |
|
| 999 |
_c171824 _d171824 |
||