AMPP Store - Individual Conference Papers

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Effect of Side Groove Geometry on Crack Propagation Behavior and K1SSC in DCB Test

Product Number: 51321-16341-SG

Author: Yuji Arai/Jun Nakamura/Hiroki Kamitani/Keiichi Kondo/Hisashi Amaya/Taishi Fujishiro

Publication Date: 2021

$20.00

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Effect Of Soil Environment On Hydrogen Embrittlement Behavior Of X60 Steel

Product Number: 51322-17705-SG

Author: Wang Xiuyun, Yang Zhiwen, Wang Yao, Xing Yunying, Feng Min, Chen Yingfeng, Liu Xiaotong, Zhang Lei

Publication Date: 2022

$20.00

With the rapid development of China's economy, energy and transportation industries have developed rapidly, and more and more oil and gas pipelines and urban rail transit have been built and put into use. Urban rail transportation systems, such as subways or light rail, generally use direct current traction and backflow through the rail. Because the track is not completely insulated from the earth, it is inevitable that some electric current will be discharged from the track to the earth to form stray electric current, which will cause interference to the surrounding metal components such as buried oil and gas pipelines.

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Effect of Solution pH on Corrosion Product Layer Formation in a Controlled Water Chemistry System

Product Number: 51317--9160-SG

ISBN: 9160 2017 CP

Author: Supat IEAMSUPAPONG

Publication Date: 2017

$20.00

The primary objective of this study was to investigate iron carbonate (FeCO3) formation mechanisms on ferritic-pearlitic carbon steel corroding in a CO2 saturated aqueous solution near iron carbonate saturation, with particular emphasis on the effect of solution pH.

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Effect Of Steel Microstructure And Corrosion Product Characteristics On Inhibition Performance Of Decanethiol Against TLC

Product Number: 51321-16581-SG

Author: Z. Belarbi/ F. Farelas/ D. Young/M. Singer

Publication Date: 2021

$20.00

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Effect Of Steel Surface Profile Peak Density On Rust Creepage

Product Number: 51322-17584-SG

Author: Russell Draper, Michael Beamish

Publication Date: 2022

$20.00

The spread of disbondment or corrosion from a scribe or holiday in a coating film, for which the terms rust creepage or undercutting are used in this paper is an important mechanism of coating degradation. The mechanism of rust creepage has been well studied by several authors who concur that the mechanism is driven by electrochemical reactions15. The reactions occurring at the discontinuity in the coating (scribe or holiday) involve an anodic reaction in which iron is dissolved. Adjacent to the anodic region, under the coating, a cathodic reaction occurs in which oxygen is reduced to hydroxyl ions.

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Effect of Steel Surface Roughness on Coating Performance

Product Number: 51319-12830-SG

Author: Russell Draper

Publication Date: 2019

$20.00

This paper describes experimental work investigating the influence of steel surface roughness on the adhesion performance of fusion bonded epoxy (FBE) pipeline coatings. The paper begins with a summary of the standards and methods that can be used to measure surface roughness. Several parameters are used to characterize the roughness of a blast cleaned steel including profile peak height and peak count. Tortuosity and rugosity indicate the proportional increase in steel surface area developed by roughening the surface. Normal pipeline coating industry practice is to specify and control a single roughness parameter termed “surface profile”. It is measured with replica tape and corresponds to the maximum peak-to-valley height.In the experimental work steel panels were abrasive blast cleaned with various steel shot and grit abrasives and the roughness characteristics of the blast cleaned surface were measured with stylus profilometers conventional replica tape and 3D imaging of replica tape.A FBE pipeline coating was applied to the prepared steel panels. The adhesion performance of the FBE coating was evaluated using the following test methods.<ul><li>Hot water immersion adhesion rating per CSA Z245.20 section 12.14 </li><li>Pull-off adhesion strength after hot water soak exposure per ASTM 4541 </li><li>Cathodic disbondment radius at 65 and 80 °C per CSA Z245.20 section 12.8 </li><li>Time before blisters were observed in Atlas Cell per NACE TM0174 modified </li><li>Average blister diameter in Atlas Cell </li><li>Pull-off adhesion strength after Atlas Cell exposure per ASTM 4541 </li></ul>The experimental data were analyzed using statistical techniques to investigate the relationship between the measured surface roughness and the adhesion test results. The adhesion results were found to be positively and linearly correlated with substrate tortuosity and rugosity. Profile peak height and peak count were found to contribute to tortuosity.

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Effect of Surface Conditioning on Corrosion Resistance Using New Vs. Traditional Abrasive Blasting Media Types

Product Number: 51220-291-SG

Author: Wesley S. Towle, Paul W. Rehrig, Ed R. Reitz, Rafi M. Herskovits

Publication Date: 2020

$20.00

Surface conditioning is the first step in building efficient corrosion protection on a part or structure. Key concerns during this step include, how to create a stronger anchor-profile and how to efficiently remove previously coated, damaged, or corroded elements from a materials surface prior to coating. The ideal solution must consider three areas of the surface conditioning process: finish quality, cleaning efficiency and total cost.

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Effect of surface contamination on the corrosion performance of thermally sprayed aluminium coating in synthetic seawater

Product Number: 51323-19138-SG

Author: Adriana Castro-Vargas, Shiladitya Paul

Publication Date: 2023

$20.00

Coating standards specify the required surface conditions needed prior to coating. A maximum amount of soluble salts of 20 mg/m2 is widely adopted as acceptation criteria, according to standard NORSOK M-5011. However, meeting these requirements for thermal spray aluminium coatings (TSA) in offshore environments is challenging due to the ubiquitous nature of water-soluble salts.

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Effect of Surface Hardness Distribution on SSC Propagation Behavior in Grade X65 Linepipe

Product Number: 51323-19238-SG

Author: Junji Shimamura, Daichi Izumi, Mitsuhiko Hakoda, Joe Kondo, Mohammed A. Alanezi, Yasser S. AlSubhi, Satoshi Yamaguchi

Publication Date: 2023

$20.00

Application of sour linepipes has expanded toward severe sour environment regions including higher H2S partial pressure conditions. In 2013, actual sour gas pipeline failure occurred due to SSC (Newbury et al., 2018). One of the possible root cause of SSC was assumed to be a formation of hard spots in a
surface region of steel. Fairchild et al. investigated and proposed three hard zone formation mechanisms including carbon contamination, dual phase microstructure and heat transfer variation in a recent paper (Fairchild et al., 2019; Newbury et al., 2019).

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Effect of Surface Imperfection affecting Long-term Durability of Coating Performance on Offshore Coating System

Product Number: 51319-12884-SG

Author: Chuljung Kim

Publication Date: 2019

$20.00

In case of Off-shore platforms there are operated for more than 25 years in severely corrosive environment. It is necessary to keep high quality coating performance for long-term operation period without maintenance.The performance of a coating is significantly influenced by its ability to adhere properly to the substrate material and steel preparation is the essential first stage treatment of a substrate before the application of any coating.With regard to steel preparation ISO 8501-3 specifies preparation grade of welds edges and other area with surface imperfection. The interpretation of preparation grade vary with depending on requirement level of client because it is visual assessment standard not quantitative.To study the effect of surface imperfection affecting long-term durability of coating performance on offshore coating system the carbon steel surface was prepared by different preparation grade based on ISO 8501-3 type of imperfection about weld profile weld porosity and thermally cut edge.This study will look at the correlation between surface imperfection and coating performance on the basis of NORSOK M-501 and ISO 20340 test method including ageing resistance and sea water immersion test for 6 months.Keywords: Off-shore platform ISO 8501-3 surface imperfection weld profile weld porosity thermally cut edge NORSOK M-501 ISO 20340 ageing resistance sea water immersion

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Effect of Surface Preparation of Coating Performance

Product Number: 41216-953-SG

Author: Devin Clark, Richard C. Ferguson & James W. Rawlins

Publication Date: 2016

$20.00

Coating performance and longevity is highly dependent on the quality of substrate surface preparation. The effect of profile height, profile type (e.g., type of tool used to perform the prep, angularity of profile, etc.), extent of cleanliness, and amount of chloride contamination on coating performance were all studied to determine the correlation between these factors in an attempt to identify the primary factor in coating failure due to improper surface preparation.

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Effect of Surfactants on Inhibition Performance of Corrosion Inhibitors

Product Number: 51319-13448-SG

Author: Hejian Sun

Publication Date: 2019

$20.00

Oil and gas industry has gathered extensive and positive experience of applying corrosion inhibitor to control carbon steel corrosion in CO2 and H2S environment. Occasionally asset failures caused by corrosion are observed due to a wrong corrosion inhibitor applied. In many cases overuse or wrongly use of surfactants in a commercial corrosion inhibitor package has attributed to these asset failures. In this paper comprehensive evaluation was conducted to determine what surfactant can enhance corrosion inhibition of different imidazolines. The results show that the water dispersibility of corrosion inhibitor molecules was increased greatly by applying correct surfactants. Some surfactants improve the partition property of inhibitors in aqueous phase. It therefore improves the corrosion inhibition performance. The inhibition performance was measured by both general corrosion inhibition and localized corrosion inhibition.

Individual Conference Papers

Association for Materials Protection and Performance