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Picture for CORROSION RISK ASSESSMENT MODEL OF SUBSEA PIPELINES NETWORK
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Picture for Corrosion Mitigation Of Deepwater, 143-Km Long Multiphase Pipelines
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Corrosion Mitigation Of Deepwater, 143-Km Long Multiphase Pipelines

Product Number: 51321-16520-SG
Author: Alyn Jenkins/ Marcus Rossiter/ William Cardwell/ Michael Reid/ Brian Messenger
Publication Date: 2021
$20.00
Picture for Effect of Heat Treatment and Manufacturing Method on the Susceptibility to Hydrogen Induced Stress Cracking of UNS N06625
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Effect of Heat Treatment and Manufacturing Method on the Susceptibility to Hydrogen Induced Stress Cracking of UNS N06625

Product Number: 51324-20899-SG
Author: Eivind Bruun Thorstensen; Atle Helge Qvale; Vebjørn Andresen ; Roy Johnsen; Paal Bratland
Publication Date: 2024
$40.00
This paper presents results obtained from examining the effect of heat treatment and production method on the hydrogen induced stress cracking (HISC) susceptibility of UNS N06625 (Alloy 625). Five different versions of Alloy 625 were examined: Hot forged material heat treated at 920 °C, 1010 °C and 1100 °C respectively, material produced by hot isostatic pressing (HIP) and material that has been solution annealed and strain hardened (cold worked) at a temperature below secondary phase formation. The different versions of Alloy 625 were initially characterized by identifying the critical pitting temperature (CPT) by use of a modified ASTM G48 Method C test. Resistance to Hydrogen Embrittlement (HE) has been examined by use of stepwise loading of tensile specimens in a hydrogen charging environment in CortestTM proof rings, followed by fractography characterization and microstructural examination by use of Optical Light Microscope (OLM) and Scanning Electron Microscope (SEM). The hot forged and the HIP’ed versions of Alloy 625 that subsequently were heat treated, were found to be susceptible to HISC. The evaluation was based on a decrease in strength and ductility, as well as brittle fracture surfaces and secondary cracking on the samples’ outer surface. Among the hot forged and heat-treated versions, the samples heat treated at 1010°C were found to be the most susceptible to HISC, while (solution) heat treatment at 1100°C resulted in the lowest HISC susceptibility amongst the hot forged and heat-treated qualities. The solution annealed (1150 °C) and cold worked version showed a higher resistance to HISC, as no reduction in fracture strength, nor any secondary cracking were observed. The amount of grain boundary precipitations was found to be the main factor influencing the HISC susceptibility, where an increased amount of grain boundary precipitations led to higher susceptibility. The effect of grain size on the HISC susceptibility of samples charged with hydrogen were also considered, and the results indicate that larger grains have a beneficial effect on the ductility.
Picture for Electrochemical Behavior Under Artificial Seawater and Intergranular Corrosion Performance of 6XXX Aluminum Alloys Series
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Electrochemical Behavior Under Artificial Seawater and Intergranular Corrosion Performance of 6XXX Aluminum Alloys Series

Product Number: 51320-14620-SG
Author: Mariana Georges M. de Carvalho, Gustavo Brandolin, Daniela Figueiredo Cavalcante, Flavio Vieira Vasques de Sousa, Vanessa Dreilich, Fabio Pereira Alves
Publication Date: 2020
$20.00
Picture for Evaluation of the Hydrogen Diffusion and Transport Kinetics in ASTM A508 Grade 4N
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Evaluation of the Hydrogen Diffusion and Transport Kinetics in ASTM A508 Grade 4N

Product Number: 51321-16404-SG
Author: Esteban Rodoni/Andreas Viereckl/Zakaria Quadir/Garry Leadbeater/Mariano Iannuzzi
Publication Date: 2021
$20.00
Picture for Hydrogen Embrittlement Susceptibility in Corrosion Resistant Materials for Fasteners
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Hydrogen Embrittlement Susceptibility in Corrosion Resistant Materials for Fasteners

Product Number: 51323-18763-SG
Author: Hans Husby, Inge Morten Kulbotten, Gisle Rørvik
Publication Date: 2023
$20.00