AMPP Store - NACE Conference Papers

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Monitoring Evaluating and Control of Corrosion and Scaling in Higher Pressure Industrial Boilers

Product Number: 51317--8988-SG

ISBN: 8988 2017 CP

Author: John Kelly

Publication Date: 2017

$20.00

The author has utilized two types of instruments in conducting hydrogen studies. Hydrogen analyzers are used extensively in both the laboratory and in industrial steam generating plants. This is a collection of five case studies.

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Monitoring Localized and General Corrosion using Advanced Electrochemical Sensors

Product Number: 51320-14544-SG

Author: Timothy Duffy, Derek M. Hall, and Serguei, Margaret Ziomek-Moroz

Publication Date: 2020

$20.00

In previous years, we have explored the use of electrochemical sensors for humidity and corrosion measurements inside of natural gas pipelines. Designed to operate in systems where a conductive aqueous phase is intermittent or unavailable, these membrane-based sensors utilize electrochemical techniques such as linear polarization resistance and electrochemical impedance spectroscopy to determine the environment’s corrosivity to the pipeline material. We now aim to explore this sensor’s performance and capabilities in more complex systems, specifically in environments that promote localized corrosion. Using the aforementioned electrochemical techniques, along with electrochemical noise and cyclic voltammetry, we probe and monitor localized corrosion and general corrosion of X65 steel in the presence of inorganic pitting agents. Experiments are conducted in both aqueous and nonaqueous environments. The additional functionality increases the quantity and quality of corrosion data from these sensors, offering to internal corrosion-monitoring programs a more complete picture of real-time corrosion within their natural gas pipelines.

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Monitoring Rebar Corrosion Propagation Embedded in Concrete

Product Number: 51317--9094-SG

ISBN: 9094 2017 CP

Author: Francisco Presuel-Moreno

Publication Date: 2017

$20.00

As a means to assess achieving intended service life on marine exposed bridge structures, corrosion of steel reinforcement was monitored on selected laboratory specimens for several years and on other specimens for a few months.

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Monitoring the Corrosion of Copper-Nickel-Chromium Castings Using Electrochemical Frequency Modulation

Product Number: 51300-11354-SG

Author: Derek R. Lenard, Yueping Wang and Bradley A. Noren

Publication Date: 2011

$20.00

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Multi-Functional New Coating System For Extending The Life Time Of Onshore And Offshore Infrastructure

Product Number: 51321-16731-SG

Author: Kaveh Sarikhani

Publication Date: 2021

$20.00

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Multi-Parameter Optical Fiber Sensor For Simultaneous Corrosion And Humidity Monitoring

Product Number: 51321-16909-SG

Author: Ruishu F. Wright; Nathan Diemler; John Baltrus; Ping Lu; Margaret Ziomek-Moroz; Michael Buric; Paul R. Ohodnicki, Jr

Publication Date: 2021

$20.00

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Multiplexed Sensor Array for Accurate Time-of-Wetness (TOW) Measurement

Product Number: 51317--9370-SG

ISBN: 9370 2017 CP

Author: Nathaniel Sutton

Publication Date: 2017

$20.00

In this work, we use electrochemical impedance spectroscopy (EIS) to observe the response of a single interdigital transducer (IDT) sensor to different wetting conditions, including electrolyte volumes and concentrations. Deliquescence of solid salt particles in a dynamic-humidity atmosphere is examined.

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Multipronged Characterization of Scales and Corrosion on L80 Steel in the Presence of Microorganism

Product Number: 51319-13226-SG

Author: Riccardo Rizzo

Publication Date: 2019

$20.00

Scale deposition is one of the most important and serious problems which can limit or block oil and gas production. Scale deposit and corrosion attack on the L80 steel removed from the oil fields were observed using several analytical techniques including 3D scanning microscopy scanning electron microscopy (SEM) energy dispersive spectroscopy (EDS) transmission electron microscopy (TEM) and X-ray diffraction (XRD). This multipronged approach provided a detailed image of scale-chronology and content of the scale in terms of phase composition and chemistry. Cross-sectional SEM examinations showed scale-chronology showing various phases at depending on the chemistry and other parameters in the well at different times. The TEM and XRD studies gave information about the amorphous and/or nanocrystalline nature of some of the formed corrosion products. The XRD and SEMresults revealed the formation of iron hydroxides iron sulfide iron chloride on the steel surface in the biotic system. Strontium sulfate barium sulfate and calcium carbonate were deposited on the corrosion products. Morphology differences between microbial corrosion pits and non-microbial corrosion pits were studied. The investigation shows that the steel surface has been significantly corroded by pitting corrosion microbial corrosion flow corrosion etc. . The SEM results showing pitting corrosion of the steel surface under the comprehensive action of the metabolism of microorganism. Pits caused by the microbial action showed many tiny pores crammed together when observed at high magnification. The research results have good reference value and guiding significance for the establishment of scale model and the selection of corrosion protection methods.

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NACE RP0590 30 Years Later – Current Trends in Deaerator Damage Mechanisms

Product Number: 51319-13507-SG

Author: Catherine Noble

Publication Date: 2019

$20.00

After several catastrophic deaerator failures in the 1970s and 80s a NACE task group was formed to conduct an organized in-depth study into the causes of the ruptures. The major accomplishment of this group was developing NACE standard RP0590 (now SP0590) “Recommended Practice for Prevention Detection and Corrosion of Deaerator Cracking” which was first released in 1990. Almost thirty years later there are still serious damages occurring in deaerators and they still rupture from time to time. This paper discusses the damage mechanisms that are still occurring and what concerns are still relevant today. One issue is that flow-accelerated corrosion is a much more prominent mechanism now than it was during the initial studies. Another is why deaerators operated for 60 years before they began to fail. Case studies are presented from the power and pulp and paper industries.

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Nanocoatings for Harsh Environments

Product Number: 41212-680-SG

Author: Todd Hawkins, Susan Drozdz

Publication Date: 2012

$20.00

Traditional organic coatings which provide cathodic protection such as zinc-rich coatings exhibit several major drawbacks. To achieve electrical conductivity zinc-rich coatings rely on tangential contact between zinc dust particles. This results in over pigmentation of the binder exceeding the critical pigment volume concentration of the resin system. This results in an inferior coating with poor physical and mechanical properties.

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Nanocomposite Polybenzoxazine Coatings for Geothermal Applications

Product Number: 51319-13514-SG

Author: Rigoberto Advincula

Publication Date: 2019

$20.00

One of the most commonly cited anticorrosion solutions in the geothermal industry is by pH modification by NaOH dosing which has been reported to be effective by various geothermal sites. Though not widely used in geothermal plants another way of retarding the effects of corrosion is by application of coatings. Due to the relatively high-temperature demand of geothermal process coatings to be applied must have good thermal stability resistance to abrasion (erosion) and resistance to chemical attack. High-velocity solids will impinge on the walls of the pipe eroding the metal. Erosion together with corrosion would have a synergistic effect on the rate of metal dissolution making it a critical factor to consider in operating under highly erosive and corrosive environment. High-temperature stable polymer nanocomposite coatings of polybenzoxazines (PBZ) modified with rubber (PBZ-R) with varying amounts of nanoclay (MMT) was made. The enhancement of the mechanical properties of PBZ-R by addition of MMT by its intercalation/exfoliation into the polymer matrix was supported by XRD thermogravimetric tests hardness test and adhesion tests. Results of electrochemical measurements showed that the nanocomposite coatings exhibited good anti-corrosion property. PBZ-R alone offered corrosion protection to the carbon steel in acidic geothermal brine. This is due to the low water absorption capability of PBZ which prevents the corrosive fluid to penetrate into the coating. Addition of the nanoclays further increased the corrosion protection of the nanocomposite coating with an optimum loading of 5 % MMT. The stability and the protection efficiency was also evaluated under high temperature and high-pressure brine tests conditions.

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Nanostructured and Superhydrophobic Coatings Against Corrosion

Product Number: 51317--9429-SG

ISBN: 9429 2017 CP

Author: Rigoberto Advincula

Publication Date: 2017

$20.00

The understanding and use of nanostructuring enable the utilization of nanomaterials and their ordering to achieve a desired property. This talk will summarize our results and describe the principles of nanostructuring and the right materials to achieve superior properties.

NACE Conference Papers

Association for Materials Protection and Performance