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51315-5641-Effect of Corrosion Inhibition on the Mitigation of Preferential Weld Corrosion in Seawater Transport

Picture for Effect of Corrosion Inhibition on the Mitigation of Preferential Weld Corrosion in Seawater Transpor
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Product Number: 51315-5641-SG
ISBN: 5641 2015 CP
Author: Ray Case
Publication Date: 2015
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The scanning electrochemical microscope (SECM) is being used to investigate the effect of corrosion inhibition in the mitigation of preferential weld corrosion (PWC). Using the in-situ electrochemical methodology combined with the high spatial resolution at a microscopic level capability of the SECM to assess corrosion current distribution across the exposed surface of PWC susceptible welds in an environment simulating a seawater transport pipeline .The data from the SECM evaluation of PWC affected surface strongly suggests that the anodic current distribution between the heat-affected zones (HAZ) weld and base metal is affected by the concentration of corrosion inhibition present. The results obtained indicate that under dosage of corrosion inhibition at least in a seawater system can cause localized corrosion attack in PWC susceptible HAZ .
The scanning electrochemical microscope (SECM) is being used to investigate the effect of corrosion inhibition in the mitigation of preferential weld corrosion (PWC). Using the in-situ electrochemical methodology combined with the high spatial resolution at a microscopic level capability of the SECM to assess corrosion current distribution across the exposed surface of PWC susceptible welds in an environment simulating a seawater transport pipeline .The data from the SECM evaluation of PWC affected surface strongly suggests that the anodic current distribution between the heat-affected zones (HAZ) weld and base metal is affected by the concentration of corrosion inhibition present. The results obtained indicate that under dosage of corrosion inhibition at least in a seawater system can cause localized corrosion attack in PWC susceptible HAZ .
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51318-10965-Evaluation of Corrosion Inhibitor Functionality on the Mitigation of Preferential Weld Corrosion

Product Number: 51318-10965-SG
Author: R. Barson / D. D. Korwin-Kochanowski / S. Turgoose / G. Economopoulos / G. E. Dicken
Publication Date: 2018
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The work conducted produced conditions where preferential weld corrosion initiated in uninhibited conditions and was sustained throughout inhibition. Two types of weld metallurgies; one weld consumable with 1% nickel, the second matched the parent pipe.
Picture for 11268 Control of Preferential Weld Corrosion of X65 Pipeline Steel in Flowing Brines
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11268 Control of Preferential Weld Corrosion of X65 Pipeline Steel in Flowing Brines Containing Carbon Dioxide

Product Number: 51300-11268-SG
ISBN: 11268 2011 CP
Author: Mylene Martinez, Khaled Alawadhi, Michael Robinson, Graham Nelson and Andrew MacDonald
Publication Date: 2011
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Picture for Evaluation of Preferential Weld Corrosion Susceptibility and Its Mitigation in Slightly Sour Conditions
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Evaluation of Preferential Weld Corrosion Susceptibility and Its Mitigation in Slightly Sour Conditions

Product Number: 51315-5640-SG
ISBN: 5640 2015 CP
Author: Ray Case
Publication Date: 2015
$20.00

Preferential Weld Corrosion (PWC) susceptibility was studied in a slightly sour wet gas piping system using electrochemical methods based on the “hockey puck” technique. Several corrosion inhibitors were evaluated to assess their performance in suppressing PWC.
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