AMPP Store - Individual Conference Papers

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Process Approach in the Inspection of Plural Component Applied Coatings

Product Number: 41207-360-SG

Author: Mario A. Moreno

Publication Date: 2007

$20.00

Review of inspection and quality assurance of plural component sprayed protective coatings under the scope of simplified control theory. Review of process concepts and their application in the inspection of coatings and paints.

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Process Development for Mechanistic Corrosion Models: Building, Validating, and Leveraging for Robust Outcomes

Product Number: 51324-20871-SG

Author: Daniel Fingas; Scott McKelvey; Keith Parker

Publication Date: 2024

$40.00

Computer modelling and simulation holds the promise of improved outcomes and more efficient resource allocation. However, attaining these results requires careful consideration of model inputs, robust mechanistic or probabilistic characterizations, delineation of assumptions, validation of outputs versus available data, and the appropriate use of model results. Formalizing these steps is necessary to ensure that checks and balances are implemented transparently and can be audited if necessary. A process has been developed by which a mechanistic corrosion model can be built, validated, and used. The most critical aspect of the process is the validation, by which the model can be tested and shown to be accurate within an acceptable tolerance. Nevertheless, the clear definition of the overall process allows the model to be properly understood, including the necessary context of inputs, assumptions, limitations, and uncertainty. Thus, the process allows the model output to be relied upon for managing risk and maintaining system integrity by both operators and regulators.

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PROFILE OR ROUGHNESS, WHICH IS IT?

Product Number: 51218-090-SG

Author: David Barnes

Publication Date: 2018

$20.00

This paper looks at the measurement of both profile and roughness on metal surfaces prepared specifically to receive a coating system in order to protect it from corrosion. The difference between roughness and profile is discussed, whether one is more relevant than the other, and the merits of the different measurement methods for both parameters.

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Progressive Reduction of Corrosion Phenomena in a COG Desulfurization Unit

Product Number: 51317--8940-SG

ISBN: 8940 2017 CP

Author: Takao Ohtsu

Publication Date: 2017

$20.00

The use and benefits of the EN instrumentation, in combination with process chemistry analyses, were employed to monitor operating conditions in a full-scale Coke Oven Gas (COG) desulfurization process in which the corrosion rate changed with time.

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Project Management: Antennas and Water Tanks Can Co-Exist

Product Number: 41208-464-SG

Author: Daniel J. Zienty

Publication Date: 2008

$20.00

Over the years, construction of telecommunication sites on municipal buildings and water storage facilities have become commonplace. Installations and upgrades of telecommunication sites, from the planning phase to activation, can extend over multiple years creating an unpredictable construction season. Careful planning with extreme ambient conditions on either side of the spectrum has become a standard in the industry.

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Project Reporting and Tracking

Product Number: 41207-377-SG

Author: Douglas Sawyer

Publication Date: 2007

$20.00

Project tracking is critical for all phases of a coating operation. Useful information from field operations will help in future bidding efforts, better billing procedures and an earlier determination of the projects’ overall health.

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Projection of 1) Onset and Subsequest Failure Rate of Bridge Post-tensioned Tendons Considering Both Corrosion and Mechanical Overload and 2) Number O

Product Number: 51319-12802-SG

Author: William Hartt

Publication Date: 2019

$20.00

Post-tensioning (PT) has evolved to become an important technology for affecting integrity of large reinforced concrete structures including bridges. In the case of bridges however tendon failures resulting from wire and strand corrosion have been reported as soon as two years post construction. In response to this a series of recent publications introduced and evaluated an analytical modeling approach that projects timing of such failures given statistics that characterize wire corrosion rate (CJ 72(8) 2016 p. 991; CJ 74(2) 2018 p. 241; and CORROSION/18 paper no. 10496). The present study builds upon this model by considering and incorporating first failures arising not only from corrosion related cross section loss but also tensile overload of remaining wires strands and tendons which may or may not have experienced some corrosion and second the number of strands per tendon given that this parameter may vary from one structure to the next and perhaps within a particular structure. The significance of each of these factors is discussed and results are related to the timing of tendon failures on bridge structures.

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Proof of Concept for an Adhesion Measurement Device to Predict Overcoating Failures in the Field

Product Number: 41205-175-SG

Author: Moavin Islam, John Repp, James A. Ellor

Publication Date: 2005

$20.00

Overcoating an existing bridge coating system can be an economical solution to maintain bridges. Overcoating eliminates the costs for removal of old, often hazardous coating systems that were possibly applied years ago. However, prior to the overcoating process, it is necessary to establish that the existing coating is well adhered to the substrate. Coatings with inadequate adhesion must be removed. Unfortunately, though some standard test methods are available, the determination of a well-adhered coating is not an exact science.

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Properties of Air Barrier Materials

Product Number: 41207-356-SG

Author: Michael F. MeLampy

Publication Date: 2007

$20.00

This paper will describe the fundamental properties of many of the air barrier materials available for environmental separation and air tightening of buildings. It will discuss the basic requirements for an air barrier; however, there are many different air barriers materials available, and many of these materials can provide other needed properties including vapor, moisture, and thermal barriers.

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Properties of Splash Zone and Immersion Coatings

Product Number: 51320-14634-SG

Author: T. Doan, N. Rakers, M. Shearer, M. DiTucci, J. Begley, X. Gu, A. Mubarok

Publication Date: 2020

$20.00

Splash and immersion zones on offshore installations are areas that are exposed to extremely aggressive environments due to the effects of sea water, tides, wind, waves, and/or ultraviolet radiation. Various certifications such as NORSOK(1) exist to help guide customers select a coating based on its corrosion resistance performance. Despite the necessity of these standards, it is helpful to understand that other properties such as substrate surface and cure conditions can greatly effect performance of the coatings. In this paper, we will compare adhesion of two coatings to different substrate surface conditions while both coatings will be cured in two different environments. Our goal is to investigate the effect of curing environment of coatings on adhesion to the substrate.

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Proposal Of 18Cr-8Ni Based Austenitic Stainless Steel With Superior Stress Relaxation Cracking Resistance

Product Number: 51322-17536-SG

Author: Takahiro Osuki, Yuhei Suzuki, Shinnosuke Kurihara, Toshihide Ono, Masaki Ueyama

Publication Date: 2022

$20.00

Various austenitic stainless steels such as UNS S30409, S31609, S32109 and 34709 are widely used in complex refinery or chemical plants at temperature ranges between 550°C and 950°C. However, Stress Relaxation Cracking (SRC) in welded joints or cold deformed parts has been a serious problem during fabrication or operation. Several researches were conducted to construct SRC test methods. This included the evaluation of SRC susceptibilities among various austenitic stainless steels and to determine SRC mechanism within TNO Science and Industry or JIP^1-4. It was concluded that SRC was caused by the accommodation of strain due to both carbide/nitride precipitation hardening inhibiting dislocation movement and the formation of precipitation free zone along the M₂₃C₆ carbide at grain boundary during stress relaxation process of welding residual stresses at temperatures between 550°C and 750°C.

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Proposal of a New Corrosion Index for Domestic Tap Water In Japan

Product Number: 51323-19056-SG

Author: Yuji Nakamura, Yasuki Matsukawa, Shinji Okazaki, Shukuji Asakura

Publication Date: 2023

$20.00

Japanese tap water has a low calcium hardness compared with those of countries in Europe and the Americas. There are many steep mountains and volcanos in Japan. These geological factors lead to features such as short rivers with water rich in SiO2. This leads to a lack of calcium compounds in river water because the flow rate is high and the dissolution rate of CaCO3 into water is low.

Individual Conference Papers

Association for Materials Protection and Performance