AMPP Store - Individual Conference Papers

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Inspection of the polyurea on the San Mateo Bridge

Product Number: 41208-408-SG

Author: Lisa Dobeck

Publication Date: 2008

$20.00

The San Mateo Bridge represents the largest application of thick film coatings for protection of a concrete highway bridge in the US to date. This challenging project was undertaken in order to provide a aggressive extension to the expected service life of the new concrete components of the widened bridge. This report provides a brief summary of the coating application process during construction followed by a report of a recent visual inspection performed at the five-year point in service.

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Inspection Techniques for Flash Rust Formed After Waterjetting

Product Number: 41210-522-SG

Author: J. Peter Ault

Publication Date: 2010

$20.00

Recent US Navy and NSRP projects have explored alternative inspection techniques for evaluating flash rust on waterjetted surfaces. This paper will summarize investigations into new inspection techniques which have been performed over the past few years.

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Inspection, Touch Up, & Repair of Hot-Dip Galvanizing

Product Number: 51219-221-SG

Author: Kenneth Tator

Publication Date: 2019

$20.00

Hot-dip galvanizing is one of the most economical, maintenance-free corrosion protection systems available. Like any other manufacturing process, hot-dip galvanized steel requires an inspection of the finished product to ensure compliance with applicable specifications. In this presentation, we will discuss the inspection process completed at galvanizing facilities prior to final shipment.

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Installation of a Primary Containment System in Existing Underground Concrete Storage Tanks

Product Number: 41211-630-SG

Author: Sean Massey, Eric Hernandez

Publication Date: 2011

$20.00

During April 2010 through June 2010, tank repairs were performed at Defense Fuel Support Point (DFSP) in San Pedro, CA. A two-part Modified Epoxy Novolac Polysulfide Coating was applied to three (3) previously uncoated 50,000 barrel (Bbl) underground concrete storage tanks. The tanks have been in operation since 1942, storing various bunker and jet fuels. The scope included surface evaluation, surface preparation, concrete sealer application and coating application.

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Installed UT Sensors for Continuous Corrosion Monitoring: Better Understanding How Process Changes Influence Corrosion Rates

Product Number: 51321-16228-SG

Author: Mitchell Gribi

Publication Date: 2021

$20.00

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Instant-Off Potentials Underestimate Cathodic Protection Levels on Pipelines

Product Number: 51323-19083-SG

Author: Peter Haas

Publication Date: 2023

$20.00

Cathodic protection (CP) is used to prevent external corrosion on underground pipelines. The effectiveness of CP is commonly evaluated by measuring the DC potential (voltage) of the pipeline with respect to a reference electrode located on the surface of the earth above the pipeline. Criteria used to interpret pipeline potential measurements are given by Section 6 of NACE SP-0169-2013 “Control of External Corrosion on Underground or Submerged Metallic Piping Systems.

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Institutionalizing Corrosion Prevention and Control in the USAF

Product Number: 41216-990-SG

Author: Jeffrey K. Nusser, Jeffery T. Stricker, Darryl J. Stimson

Publication Date: 2016

$20.00

The U.S. Air Force will never eliminate corrosion in aerospace systems, but synchronized efforts can help sustain positive trends in conserving maintenance dollars, increasing system availability, and reducing corrosion-related mishaps. The AF Corrosion Control and Prevention Executive established an aggressive goal to reduce corrosion’s effects by 20% by 2025: a 20% reduction in corrosion maintenance costs; a 20% reduction in non-available hours (NAH) due to corrosion repairs; and a 20% reduction in corrosion-related safety mishaps.

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Insulation Driven Intergranular Stress Corrosion Cracking of Carbon Steel

Product Number: 51324-20914-SG

Author: Matt Krantz; Yuan Li

Publication Date: 2024

$40.00

Over the past decade, an increasing number of intergranular stress corrosion cracking (IGSCC) incidents have been observed on carbon steel assets operating in Alberta, Canada. At the time of publication, over 128 distinct cracks have been identified on 26 assets spanning at least 5 operators. All incidents have occurred on uncoated carbon steel operating between 70 °C and 190 °C and exposed to wet mineral wool insulation. Both piping and pressure vessels have been affected. Cracking has been isolated to assets with mineral wool insulation produced after 2003; however, a specific change to mineral wool composition in this timeframe has not been identified. The purpose of this paper is to provide a summary of incidents and investigations that have been reported to date and to update the environmental conditions (window of susceptibility) where insulation driven intergranular stress corrosion cracking has been observed. By drawing attention to this issue, it is the authors’ objective to increase awareness and determine if similar cracking incidents are occurring in other geographical regions.

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Insulations Ageing & CUI Implications - A Comparison of Lab & Field Samples

Product Number: 51324-21093-SG

Author: Ahmad Raza Khan Rana; Shahzad Karim; Salwa AlAchkar; Graham Brigham; Syed Umair Niaz Bukhari

Publication Date: 2024

$40.00

Corrosion under insulation (CUI) is among the leading damage mechanisms in the hydrocarbon industry and its prediction has reportedly been ambiguous as that relies on many unknown unknowns. Insulation condition is one of the key factors in predicting the CUI risk in a modern-day risk-based inspection (RBI) program. On the other hand, there is not much clarity on predicting the insulation condition as the insulation(s) generally tend to change their physical properties while being subjected to heat and external environmental conditions. Also, there are no established baselines to gauge the extent of aging of insulations for accurate prediction of CUI risk(s). This study attempts to compare the aging behavior/ condition of two commonly used types of insulations namely mineral wool and Calcium silicate (CalSil) as they were subjected to aging in (a) lab setting and (b) field environment. To account for aging behaviors, the leachates were prepared per ASTM C871 followed by Inductively coupled plasma (ICP) spectroscopy and corrosion tests via three different methods namely autoclave immersion tests, ASTM C1617 dripping tests and ASTM G189-07 CUI simulation tests. The corroded steel samples from each test configuration and candidate insulations were further characterized by weight loss methods to establish corrosion rate followed by confocal laser topography and scanning electron microscopy (SEM) to understand the corrosion modes.

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Insurance Coverage for Lead Paint Claims

Product Number: 41207-312-SG

Author: Barry I. Buchman, John E. Heintz, Richard D. Milone

Publication Date: 2007

$20.00

This article discusses how companies that are facing or that may face lawsuits arising out of the historical use of lead-based paint can preserve and maximize their rights to coverage under CGL policies. The article analyzes the key terms in standard-form CGL policies and their application to lead paint claims. The article also provides pointers regarding the practical steps that companies can take now to preserve their rights going forward.

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Integrated Coating System For Corrosion Protection Of Carbon Steel In Artificial Geothermal Brine

Product Number: 51322-17708-SG

Author: Gabriela Aristia, Le Quynh Hoa, Ralph Bäßler

Publication Date: 2022

$20.00

Geothermal energy is a promising choice for alternative energy resources due to its reliability and low CO₂ emissions. One way to harness this energy, is to extract hot fluid from a geothermal well. Geothermal fluids are a complex medium with different physical and chemical properties depending on the location and depth of a geothermal well. Thus, these fluids can be corrosive to the geothermal power plant depending on the corrosivity class. The geothermal power plant consists of various parts, such as pipelines and heat exchangers. For continuous power generation, this power plant should be safe and durable. Therefore, it is important to protect the infrastructure in this environment from corrosion.

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Integrated Corrosion Analysis Software and its Application to dc Corrosion Analysis

Product Number: 51323-18819-SG

Author: F. P. Dawalibi, J. Cheng, Y. Jiang,

Publication Date: 2023

$20.00

When a metal or metal alloy is immersed in an electrolyte made of a conducting material of sufficient oxidizing power, such as moist soil, it will corrode according to a well-defined electrochemical mechanism. dc corrosion is a result of dissolution of material due to oxidizing reactions, liberating electrons and forming positive ions transported into the electrolyte, leading to material loss. The current-potential relationship governing this electrochemical process termed polarization, is non-linear. This relationship is often represented by a polarization curve, which is typically, an experimentally determined function. There are a number of parameters that can contribute to the final characteristics of the polarization curve within a system ranging from material parameters (e.g. material, geometry) to environmental factors (e.g. composition of the electrolyte).

Individual Conference Papers

Association for Materials Protection and Performance