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Bi-metal corrosion

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Proceedings Papers

Paper presented at the CORROSION 2016, March 6–10, 2016
Paper Number: NACE-2016-7058
... in seawater under different experimental conditions. In particular the effect of temperature (from 30 to 70°C), oxygen content (fr om 10 ppb to saturation) and chlorination level (from 0 to 0.5 ppm) have been studied. The work can also be used for material selection in terms of risk of bi-metallic corrosion...
Proceedings Papers

Paper presented at the CORROSION 2000, March 26–31, 2000
Paper Number: NACE-00645
... ABSTRACT The use of water treatment chemicals and the commonly high humidity environments of cooling water systems create a particularly heavy burden for maintenance personnel to tackle. Chemical corrosion, bi-metallic corrosion, stress corrosion cracking, crevice corrosion, microbiologically...
Proceedings Papers

Paper presented at the CORROSION 2009, March 22–26, 2009
Paper Number: NACE-09463
... implant applications. The application of ASTM G-71 to medical implant device is discussed/investigated in this study. UNDERSTANDING GALVANIC CORROSION: Galvanic (bi-metallic) corrosion manifests in a number of ways. Best known is acceleration of the corrosion of an already-corroding active metal...
Proceedings Papers

Paper presented at the CORROSION 2011, March 13–17, 2011
Paper Number: NACE-11170
... Electron Microscopy (SEM), X-ray fluorescence (XRF) and discusses the corrosive elements in the geothermal brine, as well as scaling products. This test program covers the field corrosion performance of the bi-metallic corrosion resistant pipes under real conditions. Laboratory tests were conducted...
Proceedings Papers

Paper presented at the International Symposium on Oilfield Chemistry, February 5–7, 2003
Paper Number: SPE-80211-MS
... of the headspace gas, and of the solution carbonate and oxalate ions. Metal analyses were determined in-house by ICP Spectroscopy. Testing included standard single coupon weight loss corrosion measurements, stress corrosion cracking using U- bends, bi-metallic corrosion, and thermal stability measurements...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-2128
... Abstract There is increasing demand for subsea transport of well-produced fluids that requires the use of corrosion resistant pipelines such as stainless steel or more recently bi-metallic pipes. The latter are made of carbon steel (CS) pipe and a thin (typically 3.0 mm thick) internal layer...
Proceedings Papers

Paper presented at the CORROSION 2007, March 11–15, 2007
Paper Number: NACE-07244
... potential shift of the pipes from the native potential that exists in the absence of the dissimilar metal couple. These electrodes are referred to as the bi-electrodes. In piping systems, it is usually not possible to directly measure the total galvanic current generated by the galvanic corrosion...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 7–10, 2016
Paper Number: SPE-183227-MS
... levels. Table 6 Showing CP results for 103-1D9800 The original CP system failure for seven buried vessel was due to anode and cable joint damage at splicing, which lead to severe bi-metallic corrosion of the copper cable. Cable to anode splicing damage could...
Proceedings Papers

Paper presented at the CORROSION 2016, March 6–10, 2016
Paper Number: NACE-2016-7868
... with cathode, with shielding 4 Hybrid anode with cathode no shielding 5 Hybrid anode with cathode with shielding Figure 11 Autopsy of plain zinc without insulation shielding. Figure 12 Autopsy of zinc magnesium bi-metallic anode without insulation shielding. Approximately the same amount of corrosion product...
Proceedings Papers

Paper presented at the CORROSION 2017, March 26–30, 2017
Paper Number: NACE-2017-8973
... diameter transmission lines. Under-deposit corrosion is typically very aggressive and localized, causing deep penetration of the metal surface with lesser general corrosion in the surrounding areas, due to surface deposits, electrical imbalances or some other initiating mechanisms. In some cases of under...
Proceedings Papers

Paper presented at the CORROSION 2009, March 22–26, 2009
Paper Number: NACE-09421
... were developed for use in liquid lead and lead alloys is schematically shown in Figure 2. Two versions of these sensors exist, one working with Pt/air as a ref- erence system for the measurement of the oxygen potential and the other working with a metal/metal- oxide pair, i.e., Bi/Bi2O3. In both cases...
Proceedings Papers

Paper presented at the SNAME 13th Offshore Symposium, February 24, 2004
Paper Number: SNAME-TOS-2004-13-011
... differences between metals, frequently results in accelerated corrosion in topside or splash zone environments. Explosion welded bi-metal transitions components provide the corrosion control solution. In 1962 DuPont patented the explosion welding process (EXW) after developing it in the 1950s. One of several...
Proceedings Papers

Paper presented at the SPE International Symposium on Oilfield Corrosion, May 28, 2004
Paper Number: SPE-87563-MS
... was bi-metallic (galvanic) corrosion testing. Single- coupon corrosion testing was conducted on P110, Q125 carbon steels, 13Cr and HP1 13Cr stainless steels and 22Cr duplex stainless steel. Bi-metallic corrosion testing was carried out by coupling P110 and 22Cr coupons together. All these steel coupons...
Proceedings Papers

Paper presented at the SEG/AAPG/EAGE/SPE Research and Development Petroleum Conference and Exhibition, May 9–10, 2018
Paper Number: SEG-2018-32
... This document is an expanded abstract. Summary Localized corrosion is quite common and at the same time difficult to monitor in oil/gas metallic pipelines. If it is not detected in a timely manner, localized corrosion can result in a pipeline failure and consequently economic...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 12–15, 2018
Paper Number: SPE-192792-MS
... breakthrough oilfield chemistry Corrosion Management carbide cutter milling technology resistance steel follow mill downhole metal Corrosion Inhibition Upstream Oil & Gas laboratory test cutter application mill assembly field run hardness whipstock bi-mill assembly assembly corrosion...
Journal Articles
Journal: Corrosion
Corrosion 62 (07).
Paper Number: NACE-06070612
Published: 01 July 2006
... materials and corrosion riser corrosion van ooij metals & mining Production Chemistry Technol Corrosion Science Section bis-sulfur silane coating H2S management substrate silane solution resistance metal substrate immersion silane spectra hydrolysis time condensation corrosion...
Proceedings Papers

Paper presented at the CORROSION 2010, March 14–18, 2010
Paper Number: NACE-10150
... reports on the use of Gemini surfactants as inhibitors for metal corrosion until now. 11- 13 We have studied the corrosion inhibition of dissymmetric bis-quaternary ammonium with imidazoline ring 1 4, and the objective of present work is to study corrosion inhibition of a new dissymmetric bis-quaternary...
Proceedings Papers

Paper presented at the CORROSION 2005, April 3–7, 2005
Paper Number: NACE-05590
... of Cr form first, then the Fe, and finally Pb and Bi.7-8 Thus oxygen content plays a large role in determining if the materials will undergo dissolution and liquid metal attack, protective oxide scales, or severe corrosion and precipitation. Pipeline Corrosion Subsurface Corrosion materials...
Journal Articles
Journal: Corrosion
Corrosion 50 (03).
Paper Number: NACE-94030226
Published: 01 March 1994
...M. Ohi; H. Nishihara; K. Aramaki ABSTRACT Bismuth(III) chloride (BiIIICl3) effectively inhibits corrosion of iron (Fe) in various acid solutions.1 This compound suppresses Fe corrosion by formation of a protective film comprising an inner layer of metallic Bi and an outer layer of ferrous...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13079
... inhibitor technology which is comprised of very small particles which are attracted to a metal substrate. Once the particles attach to the metal substrate thru adsorption, they prevent a corrosion cell from forming. They come in various formulations which are dependent on the type of system...

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