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88 results for “Corrosion”
Assessing corrosion resistance of 2D nanomaterial-based coatings on stainless steel substrates
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A model of digestive tooth corrosion in lizards: experimental tests and taphonomic implications
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Upwelling intensity and source water properties drive high interannual variability of corrosive events in the California Current
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Pogo models of axisymmetric and realistic corrosion maps
<p>Pogo model files used in PRSA paper by AAE Zimmermann, P Huthwaite, B Pavlakovic, 2020, 'High-resolution thickness maps of corrosion using SH1 guided wave tomography'.</p> <p>These models utilise frames to excite various transducer types:</p> <p><strong>Directional rectangular SH</strong> transducer array on surface</p> <pre><code class="language-bash">pogoSolve3d modelname --startFrame 1 --stopFrame 120</code></pre> <p><strong>SH0 point source</strong> transducer array</p> <pre><code class="language-bash">pogoSolve3d modelname --startFrame 121 --stopFrame 240</code></pre> <p><strong>SH1 point source </strong>transducer array</p> <pre><code class="language-bash">pogoSolve3d modelname --startFrame 241 --stopFrame 360</code></pre> <p><strong>SH2 point source</strong> transducer array</p> <pre><code class="language-bash">pogoSolve3d modelname --startFrame 361 --stopFrame 480</code></pre> <p><strong>SH point source</strong> transducer array on surface</p> <pre><code class="language-bash">pogoSolve3d modelname --startFrame 481 --stopFrame 600</code></pre> <p> </p>
Data from: A study of bacteria adhesion and microbial corrosion on different stainless steels in environment containing Desulfovibrio vulgaris manuscript
<p>Stainless steel is an important material used in many applications due to its mechanical strength and corrosion resistant properties. The high corrosion resistance of stainless steel is provided by the passive film. Different stainless steels have different alloy elements and surface properties which could have a significant influence on bacterial attachment to the surface and thus might result in different microbial corrosion behaviours. In this study, the effect of adhesion of sulphate reducing bacteria (SRB) and corrosion behaviour in artificial seawater on different stainless steels was investigated. Stainless steel materials used were SS 410, SS 420, SS 316 and DSS 2205 and pure chromium. The contact angle was measured to study the effect of surface properties of materials. Adhesion was measured by counting cells attached to the surface of materials. The corrosion behaviour of the materials was measured by electrochemical testing including measuring open circuit potential, electrochemical impedance spectroscopy and potentiodynamic behaviour. The long-term corrosion behaviour of each material was studied after six months exposure by measuring weight loss and surface analysis with SEM-EDX. The results show the high dependency on hydrophobicity of materials surfaces to bacterial attachment. However, bacterial attachment did not have a significant effect on the corrosion rate of the materials. Pure chromium had the best corrosion resistance to MIC with reduced bacterial attachment compared to the stainless steel samples. The nature of bacterial attachment and corrosion behaviour of the materials are discussed.</p>
Data used for the paper Andres Parra-Puerto, Kai Ling NG, Kieran Fahy, Angela E Goode, Mary P. Ryan, and Anthony Kucernak Supported Transition Metal Phosphides: Activity Survey for HER, ORR, OER and Corrosion Resistance in Acid and Alkaline Electrolytes ACS Catalysis, 2019 DOI: 10.1021/acscatal.9b03359
<p>This is an updated version of the spreadsheet which corrects the first version which had the wrong datasets provided for figure 2 c and d (ORR) </p> <p> </p> <p>The data in this spreadsheet was used to produce the figures in the paper</p> <p>Andres Parra-Puerto, Kai Ling NG, Kieran Fahy, Angela E Goode, Mary P. Ryan, and Anthony Kucernak</p> <p>Supported Transition Metal Phosphides: Activity Survey for HER, ORR, OER and Corrosion Resistance in Acid and Alkaline Electrolytes</p> <p>ACS Catalysis, 2019</p> <p>DOI: 10.1021/acscatal.9b03359Please cite the above reference if you wish to use this data</p>
Data from: Corrosion resistance of graphene/waterborne epoxy composite coatings in CO2-satarated NaCl solution
This study investigated the corrosion resistance of graphene/waterborne epoxy composite coatings in CO2-satarated NaCl solution. The coatings were prepared by dispersing graphene in waterborne epoxy with the addition of carboxymethylcellulose sodium. The structure and composition of the coatings were characterized by SEM, TEM, FTIR and Raman spectroscopies. The corrosion resistance of the composite coatings was investigated by potentiodynamic polarization measurements and electrochemical impedance spectroscopy. Composite coatings with more uniform surfaces and far fewer defects than blank waterborne epoxy coatings were obtained on 1020 steel. The 0.5 wt% graphene/waterborne epoxy composite coating exhibited much lower corrosion rate and provided better water resistance properties and long-term protection than those of the blank epoxy coating in CO2-satarated NaCl solution. This was attributed to the distribution of graphene inside the composite coating that retarded the diffusion of iron ions and thus the anodic reaction.
Data file for the paper "Using corrosion-like processes to remove poisons from electrocatalysts: a viable strategy to chemically regenerate irreversibly poisoned polymer electrolyte fuel cells", Electrochimica Acta 2016, DOI: 10.1016/j.electacta.2016.11.054
<p>Data used in producing the figures in the paper described below</p> <p>If you use this data then please specify as a reference</p> <p>B. K. Kakati, A. R. J. Kucernak, and K Fahy, "Using corrosion-like processes to remove poisons from electrocatalysts: a viable strategy to chemically regenerate irreversibly poisoned polymer electrolyte fuel cells "Electrochimica ActaDOI: 10.1016/j.electacta.2016.11.054</p> <p>Supported by funding from the Engineering and Physical Sciences Research Council under project EP/I037024/1 and the Technology Strategy board under the IDP11 framework for project 102283. </p>
In-situ, time resolved monitoring of uranium in BFS:OPC grout. Part 1: Corrosion in water vapour.
<p>Uranium encapsulated in grout was exposed to water vapour for extended periods of time. Through synchrotron x-ray powder diffraction and tomography measurements, uranium dioxide was determined the dominant corrosion product over a 50-week time period. The oxide growth rate initiated rapidly, with rates comparable to the U + H<sub>2</sub>O reaction. Over time, the reaction rate decreased and eventually plateaued to a rate similar to the U + H<sub>2</sub>O + O<sub>2</sub> reaction. This behaviour was not attributed to oxygen ingress, but instead the decreasing permeability of the grout, limiting oxidising species access to the metal surface.</p>
A New and less corrosive Method for the Activation of Cation Exchange Membranes used in tubular PEM Electrolyzers
<p>Data presented in the article with the same title</p>
Supplemental Data for the Journal Article Entitled Accelerating FEM-based Corrosion Predictions using Machine Learning submitted for publication to the Journal of the Electrochemical Society.
<p>This repository contains the Supplemental Data for the Journal Article Entitled Accelerating FEM-based Corrosion Predictions using Machine Learning submitted for publication to the Journal of the Electrochemical Society.</p> <p>Authors:</p> <p>David Montes de Oca Zapiain 1, Demitri Maestas 1, Matthew Roop 1,2, Philip Noel 1, Michael Melia 1, Ryan Katona 1</p> <p>1 Sandia National Laboratories, Albuquerque, NM 87185, USA <br>2 University of New Mexico, Albuquerque, NM 87131, USA</p> <p>Each folder contains a ReadMe.txt describing the files and their organization within each folder. </p> <p><br>Acknowledgements:<br>Sandia National Laboratories is a multi-mission laboratory managed and operated by National Technology and Engineering Solutions of Sandia, LLC., a wholly owned subsidiary of Honeywell International, Inc.,<br>for the U.S. Department of Energy National Nuclear Security Administration under contract DE-NA0003525. The views expressed in the article<br>do not necessarily represent the views of the U.S. Department of Energy or the United States Government. SAND No: SAND2023-14419O</p>
Corrosivity at PLOCAN
<p>Bare structural steel samples were exposed for one month up to one year at atmospheric conditions on PLOCAN's offshore platform outside Las Palmas. Loss in steel sample thickness (and corrosion rates) were measure by weight loss measurement. The results indicate a corrosivity of 0.18 (mm/yr) which campares to corrosivity category C5 (very high).</p>
Active Corrosion Control in Wire EDM of carbide punches
<p>The electrical field within the machining area of a WEDM machine was simulated using COMSOL Multiphysics software. In this document, we share the results of this simulation, in particular</p> <ul> <li>the geometry considered</li> <li>Figure 5: Electrical field distribution while machining a) with negative polarity of -10 V, b) with positive polarity of +5 V and c) with positive polarity of +2 V</li> <li>Figure 6: Worktank geometry considered and electrical field distribution during storage with an external applied voltage of -0.5 V. 1) when the WC-Co workpiece is connected to the machine ground with: a) brass wire also connected to the ground and b) wire removed. 2) when the WC-Co workpiece is insulated (floating ground) with the c) wire connected to the ground, d) wire at floating ground and e) wire removed.</li> </ul>
Data from project 'Stabilising heritage: Iron gall ink corrosion on paper and the eternal search for an ideal treatment', RAÄ-2023-0820
<p>Data from the project "Stabilising <span>heritage: Iron gall ink corrosion on paper and the eternal search for an ideal treatment</span>" (Diarienummer RAÄ-2023-0820) including files for sample descriptions. Data from the following analytical techniques is included: 1. Scanning electron microscopy with energy dispersive x-ray spectroscopy (SEM-EDS); 2. X-ray fluorescence spectroscopy (XRF). Instrument reports are also included. The intention of the project was to develop a non-aqueous treatment method for documents containing iron gall ink which could provide both mechanical stability and reduce the corrosion rate. SEM-EDS mapping was performed to observe the penetration depth of the ink and treatment materials in the paper samples while XRF lines scans were performed to better understand the phenomenon of a "halo" effect around certain ink samples after treatment. All data was collected as part of the master's thesis "Stabilising <span>heritage: Iron gall ink corrosion on paper and the eternal search for an ideal treatment</span>: " by Anna Lagerqvist Alidoost, Department for Conservation, University of Gothenburg (https://hdl.handle.net/2077/82110).</p>
High resolution crystallographic and chemical characterisation of iodine induced stress corrosion crack tips formed in irradiated and non-irradiated zirconium alloys - Supporting data
<p>Data related to High resolution crystallographic and chemical characterisation of iodine induced stress corrosion crack tips formed in irradiated and non-irradiated zirconium alloys:</p> <p>Conor Gillen, Alistair Garner, Pia Tejland, Philipp Frankel,<br> High resolution crystallographic and chemical characterisation of iodine induced stress corrosion crack tips formed in irradiated and non-irradiated zirconium alloys, Journal of Nuclear Materials, Volume 519, 2019, Pages 166-172, ISSN 0022-3115,<br> https://doi.org/10.1016/j.jnucmat.2019.03.027.</p> <p>Datafiles for STEM-EDX analysis - STEM-EDX.zip</p> <p>Datafiles for TKD analysis - TKD.zip</p> <p>Datafiles for NanoSIMS analysis - 1: NanoSIMS raw data file (.im file) with all 160 planes and data for all ion signals acquired. Can be opened with the OpenMIMS plugin for ImageJ or other NanoSIMS software. 2: NanoSIMS processed data file (.nrrd file) which is drift corrected and can be opened with the OpenMIMS plugin for ImageJ</p>
Figure 1. Study sites. A in The Picture of Dorian Gray: shell corrosion allows freshwater and brackish-water gastropods to masquerade as empty shells
Figure 1. Study sites. A, Nagai Park; B, Tsurumi-ryokuchi Park; C, estuaries of Yodo and Kanzaki Rivers; D, estuary of Onozato River; E, tidal mud flats on Awaji Island.
Figure 2 in The Picture of Dorian Gray: shell corrosion allows freshwater and brackish-water gastropods to masquerade as empty shells
Figure 2. Shell corrosion in freshwater and brackish-water gastropods. (a) Semisulcospira reiniana; (b) Sinotaia quadrata histrica; (c) Batillaria multiformis; and (d) Clithon retropictus. Scale bars: 10 mm.
Data for 'Nano-scale corrosion mechanism of T91 steel in static lead-bismuth eutectic: A combined APT, EBSD, and STEM investigation'
<p>The original data for the manuscript 'Nano-scale corrosion mechanism of T91 steel in static lead-bismuth eutectic: A combined APT, EBSD, and STEM investigation'.</p>
Immunological and Regenerative Implications of Corrosion of Dental Materials
ClinicalTrials.gov study NCT03334461. IPD Sharing: NO. Countries: 1. Publications: 1.
Data from: A study of bacteria adhesion and microbial corrosion on different stainless steels in environment containing Desulfovibrio vulgaris manuscript
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