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A Fracture Mechanics Approach To Characterizing Hydrogen Embrittlement Of Fasteners

Product Number: 51321-16798-SG

Author: Herman E. Amaya, Behrang Fahimi, Ramgopal Thodla

Publication Date: 2021

$20.00

Materials properties that are used in specific oil and gas environments are de-rated due to the risks associated with hydrogen embrittlement cracking. In oil production environments the concern is for the onset of stress corrosion cracking (SCC), while in seawater environments the concern is for Hydrogen Induced Stress Cracking (HISC). Both are hydrogen embrittlement phenomena with the distinction being the source of hydrogen for each. In SSC the source of hydrogen is from the presence of H2S in the oil production fluids, and in HISC the source of hydrogen is from the dissociation of water from the cathodic protection system. This paper is focused on the latter phenomena and aims to characterize the susceptibility of carbon alloy steels as applied in fastener applications, in a seawater environment under cathodic protection.

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A Further Look At The Impacts Of Corrosion Inhibitor On Scale Prevention

Product Number: 51322-17676-SG

Author: Qiwei Wang, Tao Chen, Hameed Al-Badairy, Sultan Alsubaie, Yasser Al-Jeshi, Mohammad Alsidan

Publication Date: 2022

$20.00

Scale and corrosion inhibitors are commonly used in many oil and gas production systems to prevent inorganic deposition and to protect asset integrity. Scale inhibitor products are based on organic compounds with phosphate or carboxylic functional groups such as amino phosphonates, phosphate esters, phosphino polymers, polycarboxylate and polysulfonates,1 as shown in Figure 1. These anionic groups have strong affinity to alkaline earth cations and can adsorb on the active growth sites of scale crystal (Figure 2), resulting in stopping or delaying the scale formation process.

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A Ground Floor Opportunity in the World of Commercial Coatings Inspection

Product Number: 41216-978-SG

Author: Davis Kyle , Richard Bright

Publication Date: 2016

$20.00

Commercial & Residential Coatings Inspection is emerging as a new market that will provide tactical and ground floor opportunities to those involved while bringing additional value to the architectural coatings industry as a whole. This presentation will provide insight to the participants on the recommended experience, skill set, and education required to set up a successful Commercial Coating inspection service or agency.

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A High Volume Production Multi-Use Polyurea Protective Coating

Product Number: 41206-221-SG

Author: Dan M. Bratys

Publication Date: 2006

$20.00

While sprayable bedliners have been available for numerous years in the aftermarket, it has only been with the introduction of two component polyurea bedliner coating at Nissan-Canton, that a bedliner could be applied successfully in a high-volume production atmosphere

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A History Of Corrosion Improvement: Over the last few decades there has been significant improvement especially with automobiles.

Product Number: 41213-761-SG

Author: Joe Larson

Publication Date: 2013

$20.00

This paper is a narrative of the improvements in corrosion resistance, with a strong automotive bent, made during the author’s tenure. Included are anecdotes, observations, and insights gained from interaction with many technical personnel over the years. It defines the confluence of multiple factors including steel manufacturing, new facilities being built, interesting new technologies, and the influence of competition.

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A Low VOC and Sprayable Siloxane Nonskid/Nonslip Coating for the U.S. Navy & Non-Military Markets

Product Number: 41214-826-SG

Author: Erick Iezzi, James Martin, John Wegand, Paul Slebodnick, James Tagert

Publication Date: 2014

$20.00

Qualified U.S. Navy nonskid coatings are two-component (2K) epoxy-based systems that contain various sizes of aggregate. Once mixed, these highly viscous coatings are applied using a napless roller to generate a “peak and valley” profile that provides skid/slip-resistance when cured. The roll-application process is slow and inconsistent, and appearance is often determined by experience of the applicator.

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A Methodology, Database, And Maps For Seasonally-Adjusted Soil Resistivity

Product Number: 51322-18216-SG

Author: Thomas Hayden, Alfonso Rojas Garcia, Steve Peaslee, Joseph Mazzella, Paul Murray, Robert R. Dobos

Publication Date: 2022

$20.00

The electrical conductivity of the electrolyte is one of the key parameters in the electromechanics of corrosion. Highly conductive electrolytes will permit more current and increase corrosion rates. Conversely, resistive electrolytes will enable less current to flow until the necessary conditions for corrosion are no longer satisfied or slowed.

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A New Film Thickness Gage With Built-in Temperature and Humidity Measurement

Product Number: 51220-293-SG

Author: Rick Trawick

Publication Date: 2020

$20.00

Currently, Ships’ Force (SF) conduct maintenance and repair painting during pier-side periods as well as while ships are underway. SF commonly use epoxy primers, such as MIL-DTL-24441, Type IV, for maintenance painting and in some cases, chloride contamination and surface profile is not adequately controlled. The Naval Research Laboratory (NRL) conducted a study to verify the efficacy of replacing the current epoxy primers commonly used by SF with more “user friendly” high-build, high-solid primers.

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A New Protocol for Evaluating the Effectiveness of Coatings Used to Reduce Corrosion of Steel Structures

Product Number: 51220-295-SG

Author: Giri Venkiteela, Perumalsamy Balaguru

Publication Date: 2020

$20.00

Details of a new protocol for evaluating the effectiveness of coatings to reduce corrosion of steel structures is presented in this paper. Basic concepts of accelerated testing specified in American Society for Testing Materials (ASTM) standards and recent research investigations were used to develop a procedure that can provide conclusive results within 2400 hours of exposure as compared to more than 5000 hours in current practices.

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A New Water-Based PVDF System for Weatherable Coatings

Product Number: 41209-500-SG

Author: Jerry Petersheim

Publication Date: 2009

$20.00

PVDF (polyvinylidene fluoride)-based coatings are recognized by architects as a premium weatherable coating technology. They provide years of color and gloss retention along with corrosion protection. However, PVDF based coatings have been limited to factory-applied finishes on metal since the coatings require high-temperature processing.

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A Novel Alternative Surface Preparation for Duplex Coating of Galvanized Steel

Product Number: 41213-783-SG

Author: Richard Schertzer

Publication Date: 2013

$20.00

This paper details a novel surface preparation process that is suitable for Duplex coating of galvanized steel intended for a variety of atmospheric and embedded service applications. It provides all the properties necessary for excellent coating performance and longevity, including high adhesion, excellent resistance to cathodic disbondment, and resistance to ingress of water, without the drawbacks associated with abrasive blasting, the traditional surface preparation method.

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A Novel Methodology For Addressing Corrosion Under Insulation (CUI) Utilizing Corrosion Inhibitor Impregnated Self-Amalgamating Silicone Based Tape

Product Number: 51322-17931-SG

Author: Phillip Low

Publication Date: 2022

$20.00

Integrity management of corrosion under insulation (CUI) has historically and continues to be one of the biggest corrosion related challenges within the oil & gas, maritime, chemical and petrochemical industries.² Corrosion of piping, associated flanges, pressure vessels and structural components from CUI is a commonly found phenomenon and if left undetected or not stringently managed can result in catastrophic leaks or explosions, equipment failure and periods of prolonged downtime due to repair or replacement. It is estimated around 40% to 60% of an operator’s pipeline maintenance budget is a result of CUI.³

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