AMPP Store - Individual Conference Papers

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Balancing the Performance and Robustness of Epoxy Intumescent Coatings

Product Number: 51324-20661-SG

Author: Ingrid Vee; James Irving; Muhammad Ahsan Bashir; Zuzanna Wierzba

Publication Date: 2024

$40.00

Intumescent coatings for hydrocarbon fires have been on the market since 1970-2019;s and have gained significant attention in recent years due to their ability to efficiently provide passive fire protection for steel structures. With oil and gas exploration moving towards arctic areas, there is a demand for intumescent coatings which can resist large temperature fluctuations during the service life without cracking. Prior acceptance within the industry of hairline cracking in such coatings is no longer acceptable. Consequently, there is a need for intumescent coatings which can withstand the severity of the service conditions without cracking while providing excellent protection in the event of fire. In the coatings industry, T-bar test is frequently used to analyze the toughness of coatings but due to its empirical nature it cannot provide information about the role of chemical structure of the coating in passing/failing the test. Therefore, by employing dynamic mechanical analysis (DMA), universal testing machine (UTM) and T-bar testing, it has been shown in this work that there is a correlation between the cracking resistance of intumescent coatings measured via T-bar test and the DMA results.

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Ballast Tank Coating Inspection by Imaging Fluorescent Coatings

Product Number: 41205-169-SG

Author: Paul D. Gossen

Publication Date: 2005

$20.00

Improved holiday detection of new coatings in ballast tanks on Navy ships can increase the coating’s service life. This paper describes development of a fast, compact and portable holiday detector based on imaging of fluorescent coatings.

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Basics of Corrosion in Reinforced Concrete

Product Number: 41215-897-SG

Author: Fred Goodwin, Frank Apicella

Publication Date: 2015

$20.00

Concrete is the second most common man-made material after potable water, yet it is a complex material that is poorly understood. Steel reinforcement is added to improve the concrete's tensile strength and ductility and is initially protected by the high concrete pH and depth of cover concrete. Eventually, due to the ingress of deleterious ions, lowering of the pH from carbonation, or electrical potential changes within the steel, corrosion will occur.

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Bayesian Modeling Coating Performance

Product Number: 51322-17612-SG

Author: James A. Ellor, Daniel Pope, Anthony Florimbio, C.Thomas Savell, Lisa A. Barker, John Repp

Publication Date: 2022

$20.00

Coating degradation on Army ground systems represents a significant maintenance cost and effort. The objective of this proposed work is to develop a predictive model for coating degradation and subsequent substrate corrosion on Army ground assets. Provided with a better understanding of the root causes, steps can be taken to reduce corrosion impacts on Army materiel.

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Beating the Odds for Successful Concrete Flooring Installations

Product Number: 41216-970-SG

Author: Fred Goodwin, Lori Proops, Richard First

Publication Date: 2016

$20.00

Failure of flooring materials is usually due to a combination of factors rather than a single, simple cause that led to below expectation performance. For example, construction on a less than high quality concrete slab on grade, combined with the absence of a vapor retarder, with residual concrete wear and contamination, followed by inadequate surface preparation, and finally poor coating selection applied during inclement ambient conditions that is turned over early to severe service is a recipe for disaster.

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Bedeviled Bridges: An Answer to a National Scandal

Product Number: 51217-062-SG

Author: Mike O’Donoghue, Vijay Datta, Glenn Hollins

Publication Date: 2017

$20.00

In some quarters of society there is a public outcry regarding the significant corrosion, coatings deterioration and safety concerns associated with North American bridges. Against this backdrop, this paper describes the application more than 20 years ago of an innovative coating system for the rehabilitation and lead abatement of a major truss bridge superstructure in Alberta, Canada.

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Behaviour of Damaged Thermally Sprayed Aluminium (TSA) in Aerated and Deaerated Seawater

Product Number: 51319-12766-SG

Author: Shiladitya Paul

Publication Date: 2019

$20.00

Thermally sprayed aluminium (TSA) has been used in offshore oil and gas infrastructure for decades. Their effectiveness in mitigating corrosion of steel structures in presence of seawater has been proven over the years. However very little work is reported on the performance of TSA in other sectors where conditions are different and damage of such coatings is more likely such as monopoles of offshore wind turbines. Furthermore data on the performance of damaged TSA in conditions with limited dissolved oxygen such as in internal walls of monopiles is scarce. This paper addresses these knowledge gaps and reports the corrosion performance of damaged TSA in a simulated marine environment both in the presence and absence of dissolved oxygen. Holidays amounting to 3% of the sample area were drilled to expose the underlying carbon steel and the samples were exposed to synthetic seawater at 25°C. After testing examination of the sample revealed the formation of calcareous deposit in aerated condition on the exposed steel surface with no visible steel corrosion product. In the deaerated condition Mg-containing layers were formed on the exposed steel surface. Detailed microstructural characterisation of the deposit confirmed the formation of protective Ca- and Mg-based layers in different conditions. Thus one can conclude from this preliminary study that TSAhas the ability toprotect carbon steel in both aerated and deaerated seawater.

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Behaviour of the Protection Layer of CuNi90/10 Under Brackish Water Conditions

Product Number: 51319-12845-SG

Author: Maik Macziek

Publication Date: 2019

$20.00

To see the influence of the pre-conditioning of CuNi90/10 withSDD (Sodium dimethyldithiocarbamate) a test series was carried out in brackish water (river Weser). Two test lines has been built. One test line was a CuNi90/10 pipe spool without any chemical treatment. The second test line was a CuNi90/10 pipe spool pre-conditiones with SDD (Sodium dimethyldithiocarbamate). After several weeks parts of the pipe spools has been removed to investigate the development of the protection layer.At the end of the tests the last part was tested in seawater of the Nothern Sea.The purpose of the investigation has been to find weather a pre conditioning of CuNi90/10 with SDD in that special Weser water is necessary.

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Benchmarking International Cathodic Protection and Alternating Current Mitigation Standards to Determine Suitable Protection Criteria

Product Number: MECC23-20206-SG

Author: Craig Botha

Publication Date: 2023

$20.00

The past 20 years in the field of Cathodic Protection (CP) have ushered in the distinct shift from the assessment of conventional Direct Current (DC) corrosion mechanisms to the more complex world of electrochemistry influenced by Alternating Current corrosion mechanisms. In fact, traditional assessment of CP protection levels without taking cognizance of the AC interference on a structure can have catastrophic consequences for pipeline operators. The most common misnomer over the past 20 years has been the idea that a pipeline under suitable levels of CP cannot corrode in a High Voltage Powerline Right of Way.

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Benefits Exhibited by Styrene Free Coating Technology

Product Number: 41216-961-SG

Author: Razi Anwer, Mike Durbin

Publication Date: 2016

$20.00

Styrenated Unsaturated Polyester & Vinyl Ester coatings are accepted for use in chemical immersion tank linings. The primary advantage is the increased chemical resistance to harsh commodities and fast turnaround time compared to epoxy coatings. However, styrene is becoming heavily regulated due to its safety and health concerns.

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Benefits of continuous corrosion monitoring for offshore wind structures

Product Number: 51323-19288-SG

Author: Birit Buhr, Lars Peter Løvendahl Raun, Ruth E. Sørensen, Yaser Rezania, Annika Martina Diederichs

Publication Date: 2023

$20.00

Back in 1991 the first offshore wind asset was constructed in Denmark near the coastline from Vindeby (which means windy city). This asset comprised 11 foundations with a capacity of 0.36 MW each. Since then; the offshore wind industry has been booming, and projects are becoming bigger and bigger in size (capacity), number of foundations per site and further and further offshore.

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Benefits of Long Range Wireless Ultrasonic Corrosion Sensors in Refinery Applications

Product Number: 51319-13108-SG

Author: Mike Nugent

Publication Date: 2019

$20.00

Permanent and temporarily installed ultrasonic sensors have been used in refineries for over 10 years. Advances in capability deployment and shrinking size and costs have lead many facilities to augment their routine thickness data collection means from a fully manual fleet of technicians to sensor based near real-time monitoring. The deployment of fully wireless long range ultrasonic sensors has been reduced in complexity and had a great effect on how operators and asset owners are managing their asset integrity programs. This paper will discuss industry examples and case studies of mapping their operational data to corrosion monitoring data. This in turn has paved the way for decision making on day-to-day in areas of inhibitor utilization hard to access inspection locations and asset retirement strategies.

Individual Conference Papers

Association for Materials Protection and Performance