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Case Study: Foreign Operator DC Interference On An Existing Pipeline Systems

Product Number: 51322-17587-SG

Author: Jessica Jaskolka

Publication Date: 2022

$20.00

EN Engineering (ENE) completed an AC interference study over 68 miles of an operator’s transmission line. In addition, an ACVG survey of approximately one (1) mile of the pipeline was conducted at the take-off point of the 8” line. As a result of this AC interference study, evidence of elevated AC corrosion risk has not been found on the operator’s pipeline. However, a review of the provided data shows evidence of DC interference due to a nearby foreign rectifier groundbed at the take-off point of the operator’s line.

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Cathodic Protection Monitoring In Water And Wastewater Systems

Product Number: 51322-17655-SG

Author: Jamey Hilleary

Publication Date: 2022

$20.00

In 2002 NACE International published a cost of corrosion study backed by the U. S. Federal Highway and Safety Administration estimating the annual cost of corrosion in the U. S. to be $276 billion. In the more detailed breakdown of these costs by industry/market segment the cost associated with the water and wastewater utilities segment in the “Utilities” category was estimated at $36 billion. The water and wastewater utilities segment represented the single largest cost segment in the study. The $36 billion estimate for this single segment of the Utilities category represented more cost than any of the other four categories: Transportation, Infrastructure, Government, and Manufacturing & Production.

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Cathodic Protection Of Mooring Chain In Offshore Environment

Product Number: 51322-17722-SG

Author: Faisal Shahzad, Nils Olav Digre, Kristian Varne

Publication Date: 2022

$20.00

Corrosion in Mooring systems for permanently moored floating production units has been identified as a problem area by authorities as well as industry. A Joint Industry Project (JIP) initiated by the Bureau of Safety and Environmental Enforcement (BSEE) with participation from major global oil and gas operators as well as equipment suppliers was established in 2014 to review the problem area. ¹ Studies performed as a part of this program have shown that especially mooring chains located in tropical waters have shown signs of rapid corrosion, both general and localized with corrosion rates significantly larger than those specified in design standards. Increased corrosion allowance, as well as increased inspection requirements, have been recommended and corrosion has been reported as the leading cause for pre-emptive replacement of mooring.

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Cathodic Protection: An Integral Part of Tank Maintenance

Product Number: 41206-283-SG

Author: Rog

Publication Date: 2006

$20.00

Barrier and inhibitor coatings are the primary defense against steel loss in water storage tanks. However, as a coating begins to deteriorate, action is necessary to prevent steel loss in the exposed areas of the substrate. Cathodic protection systems are an economical way to address preventing metal loss on the submerged surface areas of a water storage tank and have been proven to extend the useful life of coatings for immersion service.

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Ceramic Epoxy Coatings in Immersion

Product Number: 51217-070-SG

Author: Ben Rowland

Publication Date: 2017

$20.00

Due to its success in the ductile iron wastewater pipe market, ceramic epoxy coatings are being increasingly specified and successfully applied on nearly every substrate used for immersion service in both the water & wastewater industry. Some unique characteristics set these epoxy coatings apart from their traditional counterparts. For instance, ceramic epoxy systems provide high-film builds, eliminate undercutting, minimize permeability, provide superior edge retention and form a non-ablative film.

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CFRP Reinforcement Anode For Cathodic Protection Of Steel Rebar

Product Number: 51322-17877-SG

Author: Xavier Hallopeau, Olivier Lesieutre, Camille Annede-Villeau

Publication Date: 2022

$20.00

Only a few researchers have studied the effect of carbon fiber repair on corrosion processes. The main protective effect is the "protective barrier" which is sometimes called passive protection against corrosion, comparable to some techniques such as anticorrosion coatings of concrete structures. Indeed, CFRP materials, applied as external reinforcing material on reinforced concrete structures form a protective barrier against the penetration of moisture and pollutants such as chlorides or carbon dioxide.^1.2.3.4.5 Apart from this impermeable barrier action, it has been found in these studies that the confinement of CFRP concrete has a positive influence on the onset of corrosion and on its velocity. Very little research has investigated the coupling between mechanical reinforcement and impressed current system.^6,7,8

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Challenging the Performance Myth of Inorganic Zinc Rich vs Organic Zinc Rich Primers

Product Number: 51317--9127-SG

ISBN: 9127 2017 CP

Author: Jose Luna

Publication Date: 2017

$20.00

Protecting mechanisms of a new generation of activated zinc primers with enhanced protection vs inorganic zinc rich primers. Performance properties have been proven with results from different corrosion tests.

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Characterization And Further Development Of Austenitic Stainless Steel UNS S20910 Towards New Industrial Applications

Product Number: 51322-17648-SG

Author: Clara Herrera, Merlin Seifert, Helmuth Sarmiento Klapper, Julia Ditmann

Publication Date: 2022

$20.00

UNS S20910¹, also known as XM-19 by ASTM A276², is a nitrogen-strengthened austenitic stainless steel with high strength and excellent corrosion resistance. Besides nitrogen (N) it also contains higher amounts of chromium (Cr), nickel (Ni), manganese (Mn), and a similar molybdenum (Mo) content compared with UNS S31603, as well as small additions of niobium (Nb) and vanadium (V). High contents of Cr, Mo and N confer this stainless steel high localized corrosion resistance. Mo, Mn and Cr increase the nitrogen solubility in iron alloys.

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Characterization of Coating Performance in Various Natural Exposure Environments

Product Number: 41205-201-SG

Author: S.L. Sampson, J.P. Repp, J.A. Ellor, J.P. Ault, C.L. Farschon

Publication Date: 2005

$20.00

The subject paper presents updated inspection data from a Federal Highway Administration study of the effect of local environments on the degradation of alternative bridge coating materials. Exposure data covers up to nine years of service in several diverse environments, including sites representative of marine, industrial, and rural service environments. Paint deterioration is characterized as the result of local atmospheric parameters, time of wetness, and airborne contaminants

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Characterizing Corrosion On AA-7075 Through Alternative Cleaning Methods And Optical Profilometry

Product Number: 51322-17579-SG

Author: Steven Kopitzke, Karla De Jesus Santiago, Rachel Black

Publication Date: 2022

$20.00

Measuring the severity of corrosion on a specific alloy is often accomplished via mass loss using ASTM G-1. These processes work well and provide high fidelity data for many materials, especially steels. However, recent internal findings and disclosures from other research groups have highlighted a potential issue with using mass loss techniques to measure the damage on some aluminum alloy surfaces.

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Chemical Mitigation Of Alkaline Carbonate Stress Corrosion Cracking

Product Number: 51322-18160-SG

Author: Maria D. Marquez, Philip Thornthwaite, John N. Scholz, Oussama Zenasni

Publication Date: 2022

$20.00

Organic corrosion inhibitors (CI) have widespread use in the crude oil refining industry for corrosion protection and mitigation.¹ An effective corrosion inhibitor is a chemical substance that is applied in low concentration into a stream which suppresses or mitigates a corrosion mechanism.^,2,3,4 Inhibitors can be classified into two classes: adsorption or film-forming with organic inhibitors falling under the adsorption class. In this type of inhibitor a self-assembled structure is formed, where an array of hydrocarbon tails extend away from the metal surface and the polar groups (e.g., N in amines) chemisorb onto the metal surface.² Over the years, certain classes of inhibitors have been established as industry standards to confront specific corrosion mechanisms encountered throughout the refinery process. Examples include, filming and neutralizing amines used in crude units to combat aqueous corrosion; polysulfides used in FCCU to combat hydrogen blistering, cracking and embrittlement; P-based chemistries to combat naphthenic acid corrosion.⁵

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Chemical Reactivation of Exterior Decorative Aerospace Livery Coatings

Product Number: 41213-732-SG

Author: Douglas H. Berry

Publication Date: 2013

$20.00

Exterior decorative aerospace livery coatings are designed to be resistant to UV degradation as well as inert to a variety of aggressive solvents and airplane fluids to ensure adequate protection of the airframe. These coatings are also used to project a commercial airline’s identity using multiple overlapping colors in complex designs

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