AMPP Store - Individual Conference Papers

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High Performance Alloy 955 for Hydrogen Charging Environments

Product Number: 51324-20858-SG

Author: Luca Foroni; Carlo Malara

Publication Date: 2024

$40.00

In order to extend the range of alloy 955 (UNS N09955) applications, the manufacturing process of this alloy has been further optimized to increase its ductility, toughness and, more importantly, resistance to hydrogen embrittlement and still provide 827 MPa (120 ksi) as minimum yield strength. Details of the properties of alloy 955 when produced by this optimized manufacturing process are presented and discussed in this paper.

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High Performance Liquid Epoxy Polymer Concrete: 30 Year Benchmark Solution - Aro Coating Selection Criteria

Product Number: 51324-20613-SG

Author: Mario Moreno; Jesus Corona

Publication Date: 2024

$40.00

Liquid Epoxy Polymer Concrete has been for the past decades the preferred solution for HDD applications in North America. This paper follows 30 years after Stephanie Powers' publication and highlights the advantages of the Liquid Epoxy Polymer Concrete technology as an abrasion-resistant coating that has been used in thousands of directional drill applications for oil, gas, and water pipelines. There has been an evolution in the understanding of technology and its application. The paper looks back on successes and lessons learned for this technology. Based on field and laboratory testing, the paper develops a comparative analysis with other alternative technologies such as dual-layer FBE-ARO, 3LPE, and the new composite technologies. The paper concludes by suggesting a correlation between project/operation parameters and product selection as well as several successful case studies of the Liquid Epoxy Polymer Concrete technology.

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High Performance Solutions for the Mitigation or Elimination of Corrosion Under Insulation (CUI)

Product Number: MECC23-20243-SG

Author: Neil Wilds

Publication Date: 2023

$20.00

Corrosion under insulation represents a real threat not just to the assets used in heavy industry / Oil & Gas but also to life. This has been demonstrated through the years with millions of dollars of lost assets/production and unfortunately injuries and deaths. For this reason there have been many documents which have providing guidance not only for design of equipment against CUI but also the pre-qualification/testing of coating systems.

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High Performance Water Based Coating Enhanced with Nano Vapor Corrosion Inhibitors

Product Number: 51217-027-SG

Author: Markus Bieber

Publication Date: 2017

$20.00

The use of single component water based coatings for protection of metal substrates continues to grow due to their low odor, health and safety advantages, easy cleanup and environmental friendliness. Nevertheless, the challenge continues to find alternatives to the traditional chromate, zinc or similar heavy metal type corrosion inhibitors which tend to rely on passivation or sacrificial cathodic protection.

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High Performance Zero VOC Water Borne Acrylic Topcoat

Product Number: 41209-521-SG

Author: Wendy Zhao

Publication Date: 2009

$20.00

A new innovative high performance, zero VOC acrylic topcoat offers excellent corrosion resistance, weathering durability, early moisture resistance, freeze thaw resistance and dirt pick up resistance that is comparable to high VOC commercial acrylic. The performance properties of this zero VOC acrylic topcoat are compared to a high VOC commercial acrylic topcoat used in protective coating applications.

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High Productivity and Performance Polyaspartic DTM and Two-Coat Systems

Product Number: 41214-870-SG

Author: Todd Williams , Ahren Olson

Publication Date: 2014

$20.00

These case studies are presented demonstrating the cost savings and performance of one-coat direct-to-metal (DTM) and two-coat polyaspartic exterior coatings of three industrial maintenance applications involving hopper railcars, bridges, and an exposed steel beam superstructure. In each example, the rapid cure time of the polyaspartic coating provided increased productivity to complement its documented high performance.

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High Quality CRA solutions by Electro Slag Process for Austenitic Stainless Steels, 625 & 825 Single & Multiple Layer Solutions

Product Number: MPWT19-14343

Author: JP Van Nieuwenhoven

Publication Date: 2019

$0.00

Within many features of the Electro Slag Strip Cladding (ESSC) technique, one of the most attractive is the opportunity to achieve a required clad metal chemical analysis in one single layer. All these CRA 308L, 316L, 347, 625 & 825 types frequently concern fabricators who are constantly demanding for ways to reduce production costs & thicknesses of CRA. Hence, new low dilution and high-travel speed solutions have been developed with the aim to reduce the thickness and/or the number of layers in order to answer to industry expectations in terms of productivity. Through controlling dilution with the parent metal and balancing the chemistry by means of the new fluxes, it has been possible to achieve high quality results with an iron content Fe <7% & Fe < 10% for 625 cladding in a single layer where traditional ESSC requires two layers for the same objective. Also, for Alloy 825, single and thin layer solutions have been achieved. This subject presents an overview of these new developments with details on the applied welding conditions and the quantitative results achieved, showing benefits in terms of material savings and productivity gains.

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High Resolution CT Scan as Tool for Precise Quantification of Material Loss due to Localized Corrosion in Brake Calipers

Product Number: 51321-16467-SG

Author: Marco Bandiera/Andrea Bonfanti/Federico Bertasi/Alessandro Mancini

Publication Date: 2021

$20.00

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High Sensitive Sensors for Collection of Cathodic Polarization Data and Determination of Protection Potential Criteria of Buried Structures

Product Number: 51319-12896-SG

Author: Erwan Diler

Publication Date: 2019

$20.00

The installation of metallic coupons in the vicinity of buried pipes under cathodic protection (CP) allows theoretically to measure the potential and the current density through the simulated coating defect. Nevertheless this type of monitored coupon does not provide direct information on the actual efficiency of the CP and corrosion rates that could be caused by a CP failure over time or not adapted CP design. According to the soil resistivity and the corrosion potential in absence of CP a protection potential is generally targeted following the standard recommendations. However the soil resistivity as well as the corrosion potential might depend on the seasonal fluctuations and the protection potential might vary as function of the considered standard. Moreover all soils parameters cannot be considered in recommendations from standards and cathodic protection criteria can be sometimes debatable.In this study very sensitive electrical resistance (ER) sensors allowing obtaining precise corrosion data in real-time were adapted for soil applications. They were used in the selected soils and conditions to determine the off potential and current density corresponding to a corrosion rate of 10 µm/year which corresponds to the maximal corrosion rate of buried structures considered as protected according the standard ISO 15589-1:2015. The adapted ER sensors appeared to be particularly suitable for determining the protection potential and CP criteria in a relatively short time. For the tested soils and conditions the results showed that the cathodic protection criteria recommended in ISO 15589-1: 2015 are conservative compared to those measured experimentally. This method therefore seems particularly relevant for the determination of the protection potential in complex or polluted media in the absence of data in the literature.

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High Strength Austenite For Additive Manufacturing

Product Number: 51322-17496-SG

Author: Dr. Andreas Mohr, Dr. Horst Hill, Dipl.-Ing. Karlheinz P.J. Hoeren, M.sc. Janosch Conrads

Publication Date: 2022

$20.00

Typical austenitic stainless steels like 316L (S31603) contain chromium, nickel, and, optionally, molybdenum as major alloying elements. These are required to provide their beneficial properties, which include e.g. very high corrosion resistance and high ductility and toughness, yet showing comparably low strength and hardness. General corrosion resistance is primarily achieved by the element chromium, which causes formation of a thin but dense chromium oxide layer on the surface, when the amount of chromium dissolved in the metallic matrix is larger than approximately 10.5 wt%.

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High Strength Austentitic Stainless Steels for Hydrogen Applications at High Strength

Product Number: 51324-20780-SG

Author: Clara Herrera; Merlin Seifert

Publication Date: 2024

$40.00

Hydrogen can be the future energy carrier as it might offer a substitute for fossil fuels. However, it can degrade the mechanical properties of many materials, a phenomenon well known as hydrogen embrittlement (HE) that can lead to a catastrophic failure. Austenitic stainless steels (ASS), especially UNS S31603 with a minimum yield strength (YS) of 170 MPa (25 ksi), is frequently used for hydrogen applications due to its low susceptibility to HE compared with other ASSs. However, ASS cannot be used when high strength (YS > 500 MPa) is required. Nitrogen-strengthened (e.g. UNS S20910) and CrMn(NiMo)N austenitic stainless steels in strain-hardened condition show a YS higher than 758 MPa (110 ksi) and are resistant to HE when tested in 100 bar (10 MPa) H2 atmosphere at room temperature. This paper discusses the susceptibility of high strength austenitic stainless steels, UNS S20910 and CrMnNiMoN (18Cr-18Mn-4Ni-2Mo), in strain hardened-condition to HE at higher H2 pressure. Slow strain rate tensile tests (SSRT) were carried out in hydrogen atmosphere at 1000 bar (100 MPa) and room temperature. Both austenitic stainless steels exhibit YS > 758 MPa (110 ksi) and UTS > 900 MPa (130 ksi). UNS S20910 and CrMnNiMoN austenitic stainless steels are resistant to HE, showing a ductile fracture. Although CrMnNiMoN present a reduction in ductility, its relative reduction of aera is higher than 80 %. Their fracture mode is ductile, characterized by microvoids and dimples. UNS S20910 and CrMnNiMoN can be an option for high-pressure hydrogen applications when high strength is required.

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High Temperature and High Chemical Resistant Ambient Cure Tank Liner

Product Number: 51317--9016-SG

ISBN: 9016 2017 CP

Author: Yong Zhang

Publication Date: 2017

$20.00

Olin Epoxy has designed a unique low VOC and high solids epoxy system which offers superior performance in tank liner application. The formulation of these novel materials in high temperature and high chemical resistant ambient cure tank liner will be described.

Individual Conference Papers

Association for Materials Protection and Performance