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Journal articles on the topic 'Corrosion Potential Measurement'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Krivián, L. "Meaning and measurement of corrosion potential." British Corrosion Journal 26, no. 3 (1991): 191–94. http://dx.doi.org/10.1179/000705991798269143.

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2

Marquardt, Helmut. "Corrosion Measurement on Bridge Decks by Potential Mapping." Structural Engineering International 1, no. 3 (1991): 49–50. http://dx.doi.org/10.2749/101686691780617535.

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3

Starosta, Robert. "Influence of Seawater Salinity on Corrosion of Austenitic Steel." Journal of KONES 26, no. 3 (2019): 219–25. http://dx.doi.org/10.2478/kones-2019-0076.

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Abstract Due to the paramagnetic properties and the ability to passivation, for the production of hulls of some vessels (mainly warships), corrosion-resistant (stainless) steels with austenitic structure are used. This article describes the influence of seawater salinity on selected corrosion properties of high-alloy steel X5CrNi 18-10 (304). The average salinity of the seas is taken as 3.5% content of sodium chloride. Corrosion rate of the tested material was evaluated in an aqueous solution of sodium chloride was evaluated. The NaCl concentration in corrosive solutions was 0.7%, 1.4%, 2.1%,

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4

Rashid, Saber, N. Islami, Ahmad Kamal Ariffin, M. Ridha, and Syarizal Fonna. "Assessment of the Elastic Stress of 304 Stainless Steel Using Half-Cell Potential Measurement." Advanced Materials Research 1125 (October 2015): 355–59. http://dx.doi.org/10.4028/www.scientific.net/amr.1125.355.

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The aim of this paper is to investigate the effects of elastic stress for a C-ring specimen with an18.974-mm outer diameter and a 1.244-mm wall thickness. Tests are conducted on Type 304L SS material. Half-cell potential measurement specimens are used as methods of exposure and inspection The C-ring specimen for quantitatively determining the stress corrosion. Applying ASTM G38, which is a standard practice for making and using C-Ring Stress-Corrosion, was performed for elastic stress analysis. The results show that the effects of stress on the polarization curve are due to the magnitude of st

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5

Lee, Sung Yul, Jong Pil Won, Dong Hyun Park, Jae Hyun Jeong, and Kyung Man Moon. "Passing Aged Years to Polarization Characteristics of the Steel Bar Embedded in Mortar Specimen (W/C:0.4)." Advanced Materials Research 821-822 (September 2013): 1227–31. http://dx.doi.org/10.4028/www.scientific.net/amr.821-822.1227.

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The structures of reinforced concrete has been extensively increased with rapid development of industrial society. Furthermore, these reinforced concretes are often exposed to severely corrosive environments such as sea water, contaminated water, acid rain and seashore etc.. Thus, the corrosion problem of a steel bar embedded in the concrete is very important in terms of the safety and economic points of view. In this study, a multiple mortar test specimen (W/C:0.4) that had six types of cover thickness was prepared and immerged in flowing seawater for five years. And the effects of cover thic

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6

Mariani, Simone Umberto, Anna da Forno, and Massimiliano Bestetti. "Corrosion Behaviour of High Pressure Die-Cast and Semi-Solid Cast AZ91, AM60 and AM50 Alloys." Solid State Phenomena 192-193 (October 2012): 231–37. http://dx.doi.org/10.4028/www.scientific.net/ssp.192-193.231.

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A comparison of corrosion resistance of die-cast and semi-solid cast AZ91, AM60 and AM50 magnesium alloys was performed in different corrosive media by measurement of the open circuit potential, potentiodynamic scans and weight loss tests. Before testing, a heat treatment was carried out onto semi-solid cast alloys. Electrochemical measurements have shown that the semi-solid cast alloys have a different corrosion rate compared to the die-cast ones. The results could be correlated to the different microstructures of the samples produced by the different processes.

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7

Iwashima, D., K. Ejiri, N. Nagase, M. Hatakeyama, and S. Sunada. "Study Of Rust Preventive Characteristics Of Rust Preventive Oil From Polarization Curve Measurement." Archives of Metallurgy and Materials 60, no. 2 (2015): 915–17. http://dx.doi.org/10.1515/amm-2015-0229.

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Abstract Fe-Cu-C sintered steels are widely used as powder materials, because of its small volumetric shrinkage. However, Cu, which acts as cathode enhance formation of rust Fe2O3·xH2O during fabrication. To prevent formation of Fe2O3·xH2O rust preventive oils are widely used. High viscosity of those rust preventive oils decrease workability. While, low viscosity degrade rust preventive performance. Therefore, it is necessary to develop new rust preventive oils with contradictory properties of low viscosity and superior rust prevention. In this study, we developed technique to quantitatively e

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8

Lee, Sung Yul, Jong Pil Won, Dong Hyun Park, Myeong Hoon Lee, and Kyung Man Moon. "The Effect of Cover Thickness to Corrosion Characteristics of Reinforced Steel Bar Emedded in Mortar Specimen (W/C:0.6) Aged 5 Years in Seawater." Advanced Materials Research 785-786 (September 2013): 1176–80. http://dx.doi.org/10.4028/www.scientific.net/amr.785-786.1176.

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Reinforced concrete structures have been increasingly widely used through numerous industrial fields. These structures are often exposed to severely corrosive environments such as sea water, contaminated water, acid rain, and the seashore. Thus, corrosion problems of the steel bars embedded in concrete are very important from a safety and economic point of view. In this study, the effects of cover thickness on the corrosion properties of reinforced steel bar embedded in mortar specimen (W/C:0.6) were investigated using electrochemical methods such as corrosion potentials, polarization curves,

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9

Ihsan, Muhammad, Syarizal Fonna, N. Islami, Faizar ., and A. K. Ariffin. "Simulation of corrosion field measurement on reinforced concrete using BEM." Journal of Mechanical Engineering and Sciences 15, no. 2 (2021): 8072–81. http://dx.doi.org/10.15282/jmes.15.2.2021.11.0636.

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Reinforced concrete (RC) corrosion is a leading of structural deterioration and premature degradation for the infrasturctures, with significant affected for safety, durability and reability. Therefore, early assessment of RC corrosion is important to prevent deterioration of the structure. The objective of this paper is to apply Boundary Element Method (BEM) for improving reinforced concrete (RC) corrosion assessment using field measurement data. In this study, the potential on whole domain of concrete structures was modeled by Laplace equation. The Laplace equation was solved by BEM, hence th

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10

Bosch, R. W., and W. F. Bogaerts. "Instantaneous Corrosion Rate Measurement with Small-Amplitude Potential Intermodulation Techniques." CORROSION 52, no. 3 (1996): 204–12. http://dx.doi.org/10.5006/1.3292115.

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11

Nagrabia, Agnieszka, Maciej Sowa, Wojciech Simka, and Artur Maciej. "Galvanic Formation of Zn-Ni/Zn-Co Type Multilayer Alloy Coatings on Steel Substrate." Solid State Phenomena 227 (January 2015): 147–50. http://dx.doi.org/10.4028/www.scientific.net/ssp.227.147.

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Zn-Ni and Zn-Co monolayer and Zn-Ni/Zn-Co multilayer (from 2 to 128 layers) alloy coatings were formed on steel substrate by electrodeposition from acidic Zn-Ni bath and neutral Zn-Co bath. Samples were tested in salt chamber for corrosion resistance in neutral salt spray. Open circuit potential measurement and gravimetric study of corrosion were carried for samples immersed in the 5% NaCl solution.It was found that coatings of Zn-Ni surface layer occurred higher corrosion resistance then the coatings of Zn-Co surface layer. Sixteen-layer coating with Zn-Ni surface layer proved to be most effe

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12

Ramón, Jose Enrique, Isabel Martínez, José Manuel Gandía-Romero, and Juan Soto. "An Embedded-Sensor Approach for Concrete Resistivity Measurement in On-Site Corrosion Monitoring: Cell Constants Determination." Sensors 21, no. 7 (2021): 2481. http://dx.doi.org/10.3390/s21072481.

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The concrete electrical resistivity is a prominent parameter in structural health monitoring, since, along with corrosion potential, it provides relevant qualitative diagnosis of the reinforcement corrosion. This study proposes a simple expression to reliable determine resistivity from the concrete electrical resistance (RE) provided by the corrosion sensor of the Integrated Network of Sensors for Smart Corrosion Monitoring (INESSCOM) we have developed. The novelty here is that distinct from common resistivity sensors, the cell constants obtained by the proposed expression are intended to be v

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13

Mackenzie, C., C. Rowley-Williams, M. Achour, D. Blumer, M. Joosten, and M. Rowe. "Potential for Measurement of Corrosion-Inhibitor-Micelle Presence as an Indicator of Optimum Dose." SPE Journal 17, no. 02 (2012): 393–401. http://dx.doi.org/10.2118/130285-pa.

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Summary This paper discusses the principle and proof of concept of a novel corrosion-management tool based on maintaining optimum corrosion-inhibitor dose in an inhibited environment. Film-forming corrosion inhibitors typically contain active ionic surfactant molecules, which adsorb on surfaces and form a protective barrier against corrosion. Upon saturation of surfaces by the inhibitor, the molecules are found in the aqueous phase as micelles or in the oil phase as reverse micelles. The proposed technique is based on the hypothesis that the presence of these micelles in the water phase could

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14

Ueyama, Yutaka, Kenji Hisamune, Takeshi Terakado, Hidehiro Tobita, Katsuhiko Kato, and Hideyuki Sekiguchi. "ICONE19-43221 Planning of Environmental Mitigation for Stress Corrosion Cracking of BWR Core Internals by Means of Noble Metal Chemical Addition and of Electrochemical Corrosion Potential Measurement." Proceedings of the International Conference on Nuclear Engineering (ICONE) 2011.19 (2011): _ICONE1943. http://dx.doi.org/10.1299/jsmeicone.2011.19._icone1943_89.

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15

Asmara, Y. P., J. P. Siregar, C. Tezara, Wan Nurlisa, and J. Jamiluddin. "Long Term Corrosion Experiment of Steel Rebar in Fly Ash-Based Geopolymer Concrete in NaCl Solution." International Journal of Corrosion 2016 (2016): 1–5. http://dx.doi.org/10.1155/2016/3853045.

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This research focuses on an experimental investigation to identify the effects of fly ash on the electrochemical process of concrete during the curing time. A rebar was analysed using potentiostat to measure the rest potential, polarization diagram, and corrosion rate. Water-to-cement ratio and amount of fly ash were varied. After being cured for 24 hours at a temperature of 65°C, the samples were immersed in 3.5% of NaCl solution for 365 days for electrochemical measurement. Measurements of the half-cell potential and corrosion current density indicated that the fly ash has significant effect

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16

Saraswathy, Velu, Han-Seung Lee, Subbiah Karthick, and Seung-Jun Kwon. "Stress Corrosion Behavior of Ungrouted Pretensioned Concrete Beams." Advances in Materials Science and Engineering 2018 (2018): 1–11. http://dx.doi.org/10.1155/2018/8585162.

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Prestressed concrete beams of size 150 × 150 × 1000 mm were designed, and two bonded cold-drawn 7 mm steel wires were stressed at 70% UTS under service conditions before concreting. The beams were cast with M40 grade concrete mix with various percentages of chlorides ranging from 0, 1, 2, and 3% by weight of cement and cured for 28 days. After 28 days, the stretching forces were released, the prestressing steel wire was allowed to regain its original length, the tensile stresses were transformed into a compressive stress in the concrete, and the stress corrosion behavior was assessed. Stress c

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17

Arioka, Shinpei, Makoto Matsuoka, Takashi Yamamoto, Kazuo Komori, and Hiroyuki Inoue. "The Condition Monitoring of a Chemical Plant with the On-line Measurement of Corrosion Potential Variation and Corrosion Potential Noise." Zairyo-to-Kankyo 63, no. 12 (2014): 600–608. http://dx.doi.org/10.3323/jcorr.63.600.

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18

Hirohata, Youhei, Kazuhiko Noda, Hideki Katayama, and Hiroyuki Masuda. "Evaluation of Atmospheric Corrosion on Metal by Surface Potential Distribution Measurement." Journal of the Japan Institute of Metals 75, no. 5 (2011): 310–14. http://dx.doi.org/10.2320/jinstmet.75.310.

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19

Koyama, Rie, Tetsuji Yajima, Taketo Uomoto, and Tomio Hoshino. "Prediction of Steel Corrosion Portion and Area by Natural Potential Measurement." Doboku Gakkai Ronbunshu, no. 550 (1996): 13–22. http://dx.doi.org/10.2208/jscej.1996.550_13.

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20

Honda, Kazuhiko, Akira Usami, and Hiromasa Nomura. "Potential Distribution Measurement of Under-film Corrosion by Scanning Kelvin Probe." Zairyo-to-Kankyo 47, no. 6 (1998): 403–5. http://dx.doi.org/10.3323/jcorr1991.47.403.

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21

Leelalerkiet, Veerachai, Je-Woon Kyung, Masayasu Ohtsu, and Masaru Yokota. "Analysis of half-cell potential measurement for corrosion of reinforced concrete." Construction and Building Materials 18, no. 3 (2004): 155–62. http://dx.doi.org/10.1016/j.conbuildmat.2003.10.004.

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22

Maltman, B. H., and M. J. Robinson. "Ion exchange resin fibres for potential measurement in crevice corrosion studies." Corrosion Science 27, no. 8 (1987): 879–83. http://dx.doi.org/10.1016/0010-938x(87)90045-x.

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23

Bösing, Ingmar, Jorg Thöming, and Michael Baune. "Electrolyte Composition for Distinguishing Corrosion Mechanisms in Steel Alloy Screening." International Journal of Corrosion 2017 (2017): 1–8. http://dx.doi.org/10.1155/2017/9425864.

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The formation and breakdown of passive layers due to pitting corrosion are a major cause of failure of metal structures. The investigation of passivation and pitting corrosion requires two different electrochemical measurements and is therefore a time consuming process. To reduce time in material characterization and to study the interactions of both mechanisms, here, a combined experiment addressing both phenomena is introduced. In the presented electrolyte the different corrosion mechanisms are distinguished and investigated by cyclic voltammograms and polarization scans. The measurements sh

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24

Asaduzzaman, M. D., Chand Mohammad, and Islam Mayeedul. "Effects of concentration of sodium chloride solution on the pitting corrosion behavior of AISI 304L austenitic stainless steel." Chemical Industry and Chemical Engineering Quarterly 17, no. 4 (2011): 477–83. http://dx.doi.org/10.2298/ciceq110406032a.

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The pitting corrosion behavior of the austenitic stainless steel in aqueous chloride solution was investigated using electrochemical technique. Corrosion potential (Ecorr) measurement, potentiodynamic experiments, potential-hold experiments in the passive range, and microscopic examination were used for the evaluation of corrosion characteristics. The experimental parameters were chloride ion concentration, immersion time and anodic-hold potential. Ecorr measurements along with microscopic examinations suggest that in or above 3.5 % NaCl at pH 2 pitting took place on the surface in absence of

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25

Cui, Zheng Hua, De Jian Shen, Cong Bin Huang, and Ming Li. "Experimental Study on Relationship between Half-Cell Potentials and Load Carrying Capacity of Corroded Reinforced Concrete Shear Walls." Applied Mechanics and Materials 351-352 (August 2013): 927–32. http://dx.doi.org/10.4028/www.scientific.net/amm.351-352.927.

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This paper addresses the results of an experimental study on relationship between half-cell potentials and load carrying capacity of corroded concrete RC shear walls. There are four specimens in the test with the corrosion rate of 0%, 3%, 9% and 15%, respectively. Before and after the accelerate corrosion test, half-cell potential measurement was used to attain half-cell potentials. The horizontal load carrying capacity was attained under cyclic loading. Results show that load carrying capacity of corrosion damaged walls decrease with the increase of corrosion rate, as well as half-cell potent

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26

Genoni, Carmine, Anna da Forno, and Massimiliano Bestetti. "Comparison of Corrosion Resistance of High Pressure Die-Cast and Semi-Solid Cast AZ91, AM60, Alloys and Respective Anodic Oxides." Materials Science Forum 765 (July 2013): 618–22. http://dx.doi.org/10.4028/www.scientific.net/msf.765.618.

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A comparison of corrosion resistance of die-cast and semi-solid cast AZ91and AM60 magnesium alloys was performed in corrosive medium by measurement of the open circuit potential and potentiodynamic scans. Before testing, a heat treatment was carried out on the semi-solid cast alloys. Moreover, electrochemical measurements were performed on the four different substrates anodized in the micro-arc regime in an environment friendly alkaline aqueous solution. The results could be correlated to the different microstructures of the samples produced by the different processes and to the different comp

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27

Jeong, Jin A. "Experimental Study of Corrosion Sensors for the Design Technology of Bridge Longevity." Applied Mechanics and Materials 597 (July 2014): 421–24. http://dx.doi.org/10.4028/www.scientific.net/amm.597.421.

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Corrosion of steel reinforcement is a major factor in the deterioration of harbor and bridge structure. Steel corrosion in concrete must be checked for investigating the condition of a reinforced concrete structure. The several way how to measuring corrosion condition of reinforced concrete, but the corrosion potential measurement is a very simple, rapid, cost-effective and non-destructive technique to evaluate the severity of corrosion in reinforced concrete structure. However some particular situations may not relate to the reinforcement corrosion probability and a simple comparison of the c

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28

Raczkiewicz, Wioletta, and Artur Wójcicki. "Temperature Impact on the Assessment of Reinforcement Corrosion Risk in Concrete by Galvanostatic Pulse Method." Applied Sciences 10, no. 3 (2020): 1089. http://dx.doi.org/10.3390/app10031089.

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The electrochemical galvanostatic pulse method (GPM) is used for the evaluation of the degree of corrosion risk of reinforcement in concrete. This non-destructive method enables determining the corrosion promoting conditions through the measurements of reinforcement stationary potential and concrete cover resistivity, and determining the probability of reinforcement corrosion in the tested areas. This method also allows for the estimation of the reinforcement corrosion activity and the prediction of the development of the corrosion process on the basis of corrosion current density measurements

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29

Plotnikova, M. D., A. B. Shein, M. G. Shcherban`, and A. D. Solovyev. "The study of thiadiazole derivatives as potential corrosion inhibitors of low-carbon steel in hydrochloric acid." Bulletin of the Karaganda University. "Chemistry" series 103, no. 3 (2021): 93–102. http://dx.doi.org/10.31489/2021ch3/93-102.

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The inhibition effect of series of thiadiazole derivatives against the corrosion of mild steel in 15 % HCl was studied by weight-loss method and electrochemical measurements. The experiments were performed on steel St3 at 293 K, the exposure time of the samples in solution for weight-loss measurements was 24 h. Potentiodynamic polarization curves were obtained in a typical three electrode cell with the help of electrochemical measuring complex SOLARTRON 1280 C. A scan rate was 1 mV⋅s-1 and a measurement point was taken every 0.2 s. 2-aminothiazole, 5-amino-1,3,4-thiadiazole-2-thiol, 2-amino-1,

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30

Woo, Byeong Hun, In Kyu Jeon, Seong Soo Kim, Jeong Bae Lee, and Jae-Suk Ryou. "An Experimental and Statistical Study on Rebar Corrosion Considering the Temperature Effect Using Gaussian Process Regression." Applied Sciences 10, no. 17 (2020): 5937. http://dx.doi.org/10.3390/app10175937.

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Temperature is an important factor that affects corrosion potential in rebars. The temperature effect must be removed from the corrosion potential for precise measurement of corrosion rates. To separate the temperature effect from the corrosion potential, in this study rebar specimens were not embedded in concrete but, instead, were placed in an uncontrolled air environment. Gaussian process regression (GPR) was applied to the temperature and the non-corrosion potential data in order to remove the temperature effect from the corrosion potential. The results indicated that the corrosion potenti

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31

SHUAIB-BABATA, YUSUF LANRE, KOBE HASSAN IBRAHIM, OWOLABI IBRAHIM AMBALI, et al. "Inhibitive Potential of Prosopis Africana on Corrosion of Low Carbon Steel in 1M Hydrochloric Acid Medium." International Journal of Engineering Materials and Manufacture 4, no. 2 (2019): 66–76. http://dx.doi.org/10.26776/ijemm.04.02.2019.04.

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Recently, there is quest for the use of inexpensive, non-toxic, non-biodegradable, readily available and environmentally acceptable corrosion inhibitor. Studies have shown that these properties could be achieved through the use of plants as inhibitor. Inhibiting effect of Prosopis Africana (Iron Tree) seed extracts were assessed on a sample of low carbon steel in 1M HCl with varying proportion of the seed extract using gravimetric, Tafel polarization and gasometrical measurement techniques. The results show that weight loss/corrosion rate decreases with increase in the extracts’ concentrations

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32

Jones, S., K. Coley, and J. Kish. "Prediction and Measurement of Corrosion Rates of Stainless Steel in Concentrated Sulfuric Acid." Corrosion 69, no. 6 (2013): 543–50. http://dx.doi.org/10.5006/0709.

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When exposed to concentrated sulfuric acid, stainless steel exhibits unique electrochemical behavior. This behavior can be observed as an oscillation in open-circuit potential between the active and passive states. The transient nature of the corrosion behavior under these conditions results in a distinct challenge for measuring and predicting corrosion rates. Using a series of commercial alloys with various nickel contents, this paper outlines the utilization of electrochemical experimentation to refine the prediction of corrosion rates. The paper also discusses some of the difficulties assoc

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33

Gupta, Dipak Kumar, Laxmi Awasthi, Anju Kumari Das, Brahamdeo Yadav, Anita Ghimire, and Amar Prasad Yadav. "Corrosion Inhibition Effect of Acidic Extract of Bark of Eucalyptus Globulus on Mild Steel." Tribhuvan University Journal 35, no. 1 (2020): 1–10. http://dx.doi.org/10.3126/tuj.v35i1.35828.

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The corrosion inhibition properties of the acidic extract of Eucalyptus globulus (EG) was investigated for mild steel (MS) using the weight loss method and open circuit potential (OCP) measurement. Corrosion inhibition of MS in 0.1M HCl was studied in the absence and presence of various concentrations of the acidic extract of EG barks. The results showed an increase in corrosion inhibition with increasing concentration of the extract. The inhibition efficiency of 100% EG extract was approximately 98.0% after 24 hours immersion in the acidic solution. FTIR spectrum showed the presence of compou

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34

Shit, Gopinath, and S. Ningshen. "The corrosion behavior of compositional modified AISI type 304L stainless steel for nitric acid application." Anti-Corrosion Methods and Materials 66, no. 2 (2019): 149–58. http://dx.doi.org/10.1108/acmm-02-2018-1906.

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Purpose High corrosion resistance in different concentrations of nitric acid is essential for structural steels to be used for the aqueous reprocessing of spent nuclear fuels with high plutonium content. Design/methodology/approach In the present study, the corrosion resistance of type 304L stainless steel (SS) with modified composition was evaluated in different concentrations of nitric acid using surface analytical techniques, weight loss method and electrochemical measurements. Findings Weight loss measurement in boiling 65 per cent nitric acid showed a low corrosion rate value of about 0.2

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35

Yodsudjai, Wanchai, and Thanawit Pattarakittam. "Factors influencing half-cell potential measurement and its relationship with corrosion level." Measurement 104 (July 2017): 159–68. http://dx.doi.org/10.1016/j.measurement.2017.03.027.

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36

Nagano, Hiroo. "Importance of Electrochemical Potential Measurement in Developing Corrosion Resistant Metals and Alloys." Zairyo-to-Kankyo 50, no. 2 (2001): 40–44. http://dx.doi.org/10.3323/jcorr1991.50.40.

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37

Kyung, Je-Woon, Sung-Ho Tae, Han-Seung Lee, Yalcin Alver, and Jo-Hyeong Yoo. "IBEM analyses on half-cell potential measurement for NDE of rebar corrosion." Computers and Concrete 4, no. 4 (2007): 285–98. http://dx.doi.org/10.12989/cac.2007.4.4.285.

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38

Hagarová, Mária, Dagmar Jakubéczyová, Gabriela Baranová, and Rastislav Šimko. "Determination of Bimetallic Corrosion Risk Using an Electrochemical Method." Materials Science Forum 960 (June 2019): 62–69. http://dx.doi.org/10.4028/www.scientific.net/msf.960.62.

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The purpose of this study was to investigate (simulation of environment for salt treatment of roads in winter and the simulation of the environment of condensed exhaust gas) the galvanic corrosion phenomena which can exist in the construction coupling of cars. The electrochemical behaviour of the hot dip galvanized steel and aluminium alloy, stainless steel and aluminium alloy and stainless steel and silumin which were investigated by electrochemical methods in 3 % NaCl solution and in SEG solution. The open corrosion potential measurement was used to obtain the values of the potential for eac

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39

Allahkaram, Saeed Reza, and Namdar Mohammadi. "Corrosion behavior of two candidate PEMFC’s bipolar plate materials." Anti-Corrosion Methods and Materials 64, no. 3 (2017): 293–98. http://dx.doi.org/10.1108/acmm-05-2015-1540.

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Purpose This paper aims to evaluate corrosion behavior of bare and PbO2-coated stainless steel 316L, as prospective candidates for bipolar plates, in simulated proton exchange membrane fuel cell’s (PEMFC’s) environment under operating potentials. Design/methodology/approach A set of potentiodynamic, as well as potentiostatic, electrochemical experiments was carried out under both anodic and cathodic potentials. Gathered data were analyzed via fast Fourier transform algorithm for further investigation. X-ray diffraction analysis was also used for determining coating characteristics upon complet

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40

Schneck, Ulrich. "Instant performance verification after electrochemical chloride extraction by enhanced corrosion testing." MATEC Web of Conferences 289 (2019): 03009. http://dx.doi.org/10.1051/matecconf/201928903009.

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Electrochemical chloride extraction (ECE) is meant to re-establish the corrosion protection of concrete for the embedded reinforcement by removing chloride non-destructively and by enhancing the alkalinity of the rebar surrounding concrete. Both effects depend on various parameters, such as concrete cover, rebar spacing, chloride profile (especially if chloride ingress is deeper than the outside rebar layer) and concrete permeability. Often these parameters require long or multi-stage treatments, which basically can achieve any desired target level of chloride profile and impressed charge, but

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41

Thapa, Bishal, Dipak Kumar Gupta, and Amar Prasad Yadav. "Corrosion Inhibition of Bark Extract of Euphorbia royleana on Mild Steel in 1M HCl." Journal of Nepal Chemical Society 40 (December 31, 2019): 25–29. http://dx.doi.org/10.3126/jncs.v40i0.27274.

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The bark extract of Euphorbia royleana as a green corrosion inhibitor was studied in 1M HCl using weight-loss method and potential measurement. The results show that the bark extract of Euphorbia royleana is an effective anti-corrosion inhibitor of mild steel in acidic media. The corrosion rate decreases with the time of immersion. Weight loss experiment shows that the loss in weight decreases with the time of immersion and inhibition efficiency increases with the concentration of extract. It was observed that maximum inhibition efficiency is 99.60% in 100% concentration of extract. Potential

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42

Szabó, S., and I. Bakos. "Reference Electrodes in Metal Corrosion." International Journal of Corrosion 2010 (2010): 1–20. http://dx.doi.org/10.1155/2010/756950.

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With especial regard to hydrogen electrode, the theoretical fundamentals of electrode potential, the most important reference electrodes and the electrode potential measurement have been discussed. In the case of the hydrogen electrode, it have been emphasised that there is no equilibrium between the hydrogen molecule (H2) and the hydrogen (H+), hydronium (H3O+) ion in the absence of a suitable catalyst. Taking into account the practical aspects as well, the theorectical basis of working of hydrogen, copper-copper sulphate, mercury-mercurous halide, silver-silver halide, metal-metal oxide, met

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Di Francia, Elisabetta, Sabrina Grassini, Giovanni Ettore Gigante, Stefano Ridolfi, and Sergio Augusto Barcellos Lins. "Characterisation of corrosion products on copper-based artefacts: potential of MA-XRF measurementsties of MA-XRF measurement." ACTA IMEKO 10, no. 1 (2021): 136. http://dx.doi.org/10.21014/acta_imeko.v10i1.859.

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The use of macro-X-ray fluorescence (MA-XRF) scanners is now widespread in cultural heritage applications. However, its use for the characterisation of metallic works of art is still limited. In this study, a novel portable MA-XRF scanner prototype was tested on artificially corroded copper samples to assess its analytical capabilities on corroded metals, yielding information on the spatial distribution of the corrosion products grown on the metal’s surface. A multi-analytical approach was used to thoroughly characterise the copper samples and compare the obtained results to verify the reliabi

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Vrsalović, Ladislav, Emeka Emmanuel Oguzie, Mirko Gojić, et al. "Intergranular Corrosion of Cu-Al-Ni Alloy in 0.5 mol dm−3 H2SO4 Solution." Kemija u industriji 69, no. 9-10 (2020): 457–64. http://dx.doi.org/10.15255/kui.2020.022.

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The corrosion behaviour of Cu-Al-Ni alloy in 0.5 mol dm–3 H2SO4 solution was investigated by electrochemical methods including open circuit potential measurement, electrochemical impedance spectroscopy measurements, linear and potentiodynamic polarization. Measurements were performed in 0.5 mol dm–3 H2SO4 at temperatures 20 and 40 °C. After polarization testing, corroded electrode surfaces were ultrasonically cleaned in deionized water and examined by light and scanning electron microscopy, while the elemental composition at individual points of the alloy surface was determined by EDS analysis

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NAKAGAWA, Motohiro, Syuji IKUTA, Takeshi TAKAGI, Atsushi HATTORI, and Toyoaki MIYAGAWA. "EXPERIMENTAL STUDY ON INSPECTION OF CARBONATION-INDUCED CORROSION WITH HALF-CELL POTENTIAL MEASUREMENT." Doboku Gakkai Ronbunshu, no. 781 (2005): 21–34. http://dx.doi.org/10.2208/jscej.2005.781_21.

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Ramón, J. E., J. M. Gandía-Romero, R. Bataller, M. Alcañiz, M. Valcuende, and J. Soto. "Potential step voltammetry: An approach to corrosion rate measurement of reinforcements in concrete." Cement and Concrete Composites 110 (July 2020): 103590. http://dx.doi.org/10.1016/j.cemconcomp.2020.103590.

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Zhang, Yaping, Qiong Feng, Lianqing Yu, Chi-Man Lawrence Wu, Siu-Pang Ng, and Xiao Tang. "Numerical modelling of buried pipelines under DC stray current corrosion." Journal of Electrochemical Science and Engineering 9, no. 2 (2019): 125–34. http://dx.doi.org/10.5599/jese.567.

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Corrosion of buried pipelines caused by stray currents is becoming a serious industrial and environmental problem. It is therefore necessary to study corrosion mechanisms of buried pipelines under DC stray currents in order to propose effective anti-corrosion measures. Since measurement of the potential is one of important ways to identify stray current intensity, the COMSOL Multiphysics software was used to simulate stray current corrosion dynamics of buried pipelines. It was also used to calculate the distribution and intensity changes of electrolyte potential in the cathodic protected syste

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Abidin, Z. H. Z., K. Ramesh, R. M. Taha, R. Puteh, and A. K. Arof. "Studies on the Corrosion Protection Property of Acrylic Resin Mixed with Curcumin and Dammar." Materials Science Forum 517 (June 2006): 278–80. http://dx.doi.org/10.4028/www.scientific.net/msf.517.278.

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The corrosion protection property of the coating consisting of acrylic resin mixed with curcumin and dammar was investigated by immersing in 3% NaCl solution using potential - time measurement. The investigation was performed until corrosion occurred at the coating and substrate interface. As the coating degraded the penetration of electrolyte, the potential value of the coated sample decreases to a value of – 0.65 V. In this study the coating with pigment volume concentration of KC30% can withstand against corrosion by 3% NaCl solution.

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ZHAO, WENGUI, JINGUO WANG, JINGQI HOU, and QICHUAN JIANG. "EFFECT OF SCANDIUM ON THE CORROSION BEHAVIOR OF THE CASTING Al-Cu ALLOYS IN NACL SOLUTION." International Journal of Modern Physics B 23, no. 06n07 (2009): 978–83. http://dx.doi.org/10.1142/s0217979209060336.

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Corrosion behavior of the casting Al - Cu alloys with and without Sc addition was studied by both the immersion test and electrochemical measurement methods. The results show that pitting corrosion was found on the surfaces of these alloys in 3.5 wt .% NaCl solution, while the corrosion resistance of the Al - Cu alloys with Sc is better than that of the Al - Cu alloy without Sc . With increasing Sc content, the corrosion resistance of the present Al - Cu alloys varies significantly, and the 0.1 wt .% Sc alloy has the best corrosion resistance. Also, the corrosion potential of the present alloy

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Li, Ximing, and Cheng Sun. "Synergistic Effect of Carbamide and Sulfate Reducing Bacteria on Corrosion Behavior of Carbon Steel in Soil." International Journal of Corrosion 2018 (August 1, 2018): 1–14. http://dx.doi.org/10.1155/2018/7491501.

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Synergistic effect of carbamide and sulfate reducing bacteria (SRB) on corrosion behavior of carbon steel was studied in soils with moisture of 20% and 30%, by soil properties measurement, weight loss, polarization curve, and electrochemical impedance spectroscopy. The results show that carbamide decreased the soil redox potential and increased soil pH. In soil without SRB, carbamide made corrosion potential of Q235 steel much more positive and then inhibited corrosion. Meanwhile, in soil with SRB, 0.5 wt% carbamide restrained SRB growth and inhibited biocorrosion of Q235 steel. Corrosion rate

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