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Готові списки джерел за темами / Corrosion / Статті в журналах

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Статті в журналах з теми "Corrosion"

Автор: Grafiati

Опубліковано: 4 червня 2021

Оновлено: 25 липня 2025

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1

Hernández, Y., O. Troconis de Rincón, A. Torres, S. Delgado, J. Rodríguez, and O. Morón. "Relación entre la velocidad de corrosión de la armadura y el ancho de fisuras en vigas de concreto armado expuestas a ambientes que simulan el medio marino." Revista ALCONPAT 6, no. 3 (2016): 272–83. http://dx.doi.org/10.21041/ra.v6i3.152.

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Relación entre la velocidad de corrosión de la armadura y el ancho de fisuras en vigas de concreto armado expuestas a ambientes que simulan el medio marino RESUMENEsta investigación presenta una relación empírica entre la velocidad de corrosión de la armadura y la velocidad de ensanchamiento de fisuras por corrosión del recubrimiento de concreto en vigas, con o sin aplicación de carga. Se evaluaron vigas de concreto armado, expuestas a un proceso de corrosión natural mediante el rociado con solución salina al 3,5 %p/p de NaCl, para acelerar el proceso corrosivo de la armadura, mediante ensayos

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2

Sun, Ji Ku, Zong Jie Cao, De Jian Sun, and Yi Chen. "Characteristic of Corrosive Damages about Aircraft Structures in Service." Applied Mechanics and Materials 543-547 (March 2014): 316–19. http://dx.doi.org/10.4028/www.scientific.net/amm.543-547.316.

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In engineering practices, aircraft structures have been damaged due to the structural corrosion, the corrosive problem of aircrafts needs to call high attentions for researchers because aircraft structures are composed of metals and compound metals. In this paper, corrosion problems and structural reliability of aircraft structures are discussed. Corrosion morphology and mechanism of aircraft structures are analyzed based on metal corrosion theory. The characteristics of the various types of corrosions of aircraft structures have been enumerated. The effect of environments in corrosion process

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3

Deepti, Shikha, and Awasthi Rita. "Corrossion Its Impact and Prevention." International Journal of Trend in Scientific Research and Development 1, no. 5 (2017): 1172–76. https://doi.org/10.31142/ijtsrd2451.

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Determination of functional and mechanical properties of metal owning to corrosion caused by moisture, chemicals, temperature and several environmental factors propels the demand for corrosion prevention and acid proof lining in numerous end -use industries. Corrosion preventive coatings are devised to protect structures from degradation caused due to exposure in extreme corrosive environment. By acting as a barrier between the materials and the corrosive environment, corrosion prevention coating or linings function as agents that enhance the life of structures by preventing their wear and tea

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4

Yu, Zhu Huan, Jun Feng Qiang, and Hui Lu Li. "Electrochemical Corrosion Behavior of Different Graphite Shapes Cast Irons in Acidic Solution." Advanced Materials Research 906 (April 2014): 275–82. http://dx.doi.org/10.4028/www.scientific.net/amr.906.275.

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The effect of graphite shapes on the electrochemical corrosion behavior of cast iron was studied by means of weight loss tests, electrochemical measurements and electron microscopy. It was found that the electrochemical corrosion behavior of graphite is significantly different from one other, and the corrosive potential difference between carbide ad the matrix is the main driving force of the different phase corrosions. Among them, the center A type and edge D type graphite exhibited the highest corrosion resistance. The corrosion of white iron is worst, because there are so many type carbides

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5

Mahecha-Gómez, Andrey Felipe, Claudia Patricia Mejía-Villagrán, and Jhon Jairo Olaya-Flórez. "Aplicación de una metodología mixta para la selección de materiales resistentes a la corrosión en medios ácidos y salinos." Respuestas 20, no. 1 (2015): 112. http://dx.doi.org/10.22463/0122820x.265.

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Objetivo: En este artículo se presenta una metodología mixta de selección de materiales para determinar qué material presenta la mejor relación entre resistencia a la corrosión, propiedades mecánicas y costos. Metodología: El trabajo se llevó a cabo utilizando pruebas potenciodinámicas de extrapolación (Tafel) e impedancia electroquímica (EIS), sometiendo las muestras a medios corrosivos de NaCl (3%) y H2SO4 (5%). Las muestras utilizadas fueron el cerámico Zirconia no sinterizada y los aceros AISI 304L, AISI 316 y AISI 316L. Finalmente se aplicó una metodología de selección de materiales para

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6

Sun, Qi Lei, Li Zhang, Jie Dong, and Lu Hua He. "Study on Electrochemical Behavior of Prestressed Reinforcement in Simulated Concrete Solution." Applied Mechanics and Materials 357-360 (August 2013): 917–20. http://dx.doi.org/10.4028/www.scientific.net/amm.357-360.917.

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Using electrochemical impedance spectroscop (EIS) and polarization curve technique, the electrochemical behavior of prestressed reinforcement under different stress levels was studied in simulated concrete solution. The results show that: As the stress increasing, the impedance spectroscopy changes significantly, the entire impedance spectroscopy shows an elongated semi-circular deformation, high-frequency capacitance arc radius corrosion decreases with the corrosion progress, in other words, the reaction resistance decreases, the corrosion rate of the sample increases. And when the galvanized

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7

Meneses, R. S., J. M. Moro, R. R. Aveldaño, and N. F. Ortega. "Influencia del espesor del recubrimiento de elementos de hormigón armado expuestos a procesos de corrosión y sometidos a cargas externas." Revista ALCONPAT 6, no. 2 (2016): 129–44. http://dx.doi.org/10.21041/ra.v6i2.134.

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Influencia del espesor del recubrimiento de elementos de hormigón armado expuestos a procesos de corrosión y sometidos a cargas externasRESUMENAl realizar estudios sobre corrosión en hormigón armado, es importante considerar en los ensayos, la acción de cargas externas, pues esta situación es la más frecuente en las estructuras. En este trabajo, se presentan los resultados obtenidos al exponer a un proceso de corrosión acelerada, a vigas de hormigón armado sometidas a esfuerzos flexionales, materializados con cargas, que generan iguales tensiones de tracción en las armaduras corroídas. Las vig

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8

Yang, Yanpeng, Xiaojuan Cao, Yang Li, et al. "Spontaneous Symmetry-Breaking in the Corrosion Transformation of Ancient Bronzes." Minerals 10, no. 8 (2020): 656. http://dx.doi.org/10.3390/min10080656.

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In general, during long-term museum conservation, ancient bronzes will generate new corrosion products also called the “secondary corrosion” on the surface of the unearthed “primary corrosion” products due to various environmental conditions. In this paper, the corrosion stages of several ancient Chinese bronzes are characterized by using optical microscope (OM), scanning electron microscope (SEM), energy dispersive spectrometer (EDS), X-ray diffraction (XRD) and Raman spectrometer (Raman). It is found that there exist phase transformation relationships in between the “primary corrosion” and t

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9

Heo, Chang-Jae, Min-Gyun Ha, Chanhyun Park, and Jin-Hee Ahn. "Comparing Corrosion Damage Level and Corrosion Current in Acceleration Corrosion Testing under Corrosive Environment." Journal of the Korean Society of Hazard Mitigation 23, no. 5 (2023): 115–22. http://dx.doi.org/10.9798/kosham.2023.23.5.115.

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This study conducted an acceleration corrosion test based on ASTM G85-19 standards to evaluate the durability of both steel and paint-coating. The objective was to assess the relative corrosive deterioration based on variations in the corrosive environment. In the ASTM G85-19 test method, we systematically altered the concentration of chloride and (NH<sub>4</sub>)<sub>2</sub>SO<sub>4</sub> to simulate different corrosive environmental conditions. The mean corrosion depth of the steel specimens was determined by quantifying weight throughout the acceleration

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10

Cong, Shen, Ke Tong, Dong Feng Li, Zhi Xin Chen, and Ke Cai. "Leakage Failure Analysis of the ERW Steel Pipeline." Materials Science Forum 993 (May 2020): 1224–29. http://dx.doi.org/10.4028/www.scientific.net/msf.993.1224.

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This paper provides a thorough investigation on the leakage reason of the ERW steel pipeline in an oil field. Through appearance inspection, physicochemical inspection, metallographic inspection and scanning electron microscope (SEM), it was found that the main reason of corrosions was caused by residual liquid at the bottom of the pipeline and O2 and CO2 in the air pressure test. The corrosion medium was large volume of O2 and CO2 forming continuously saturated corrosive aqueous solution in small volume of residual liquid, and the corrosion type was the under-deposit corrosion. It is recommen

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11

Mao, Jincheng, Difei Han, Jinzhou Zhao, Xiaojiang Yang, Chong Lin, and Heng Zhang. "Experimental and Theoretical Study on Cyanuric Chloride Derivatives as Corrosion Inhibitors for Oxyen Corrosion of Mild Steel in High Salinity Corrosive Medium." Revista de Chimie 72, no. 2 (2021): 119–36. http://dx.doi.org/10.37358/rc.21.2.8425.

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Designed and synthesized two corrosion inhibitors that can resist corrosion of low-carbon steel in high-salinity corrosive media. When these compounds are used as corrosion inhibitors in high salinity corrosive media, the laboratory evaluation results clearly showed that the two corrosion inhibitors had an excellent corrosion resistance. The synthetic corrosion inhibitors have an symmetrical structure which not only has a symmetrical appearance but also has the practical significance of forming an entire surface covering layer, which avoids the general corrosion and pitting corrosion.

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12

Zhang, Ye Qin, Li Chun Qi, and Yi Sheng Huang. "Anticorrosion Property of TC27 Titanium Alloys and Application Evaluation in Tubing." Materials Science Forum 1035 (June 22, 2021): 615–23. http://dx.doi.org/10.4028/www.scientific.net/msf.1035.615.

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In view of the combined effect of the load and the corrosive environment on the downhole tubing and the need for the selection of downhole tubing materials, the study on the pitting corrosion, crevice corrosion, erosion corrosion, high temperature and high pressure simulation of corrosion, galvanic corrosion, resistance to sulfide stress corrosion cracking SSC, resistance to hydrogen induced cracking, stress corrosion cracking test under simulated working conditions for TC27 titanium alloy was carried out. Furthermore, the corrosion performance was evaluated by the test results and evaluation

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13

Ryu, Hwa Sung, and Han Seung Lee. "Study on the Anti- Corrosion Properties of Organic and Inorganic Inhibitor by Electrochemical Treatment in Aqueous Solution." Advanced Materials Research 415-417 (December 2011): 2070–73. http://dx.doi.org/10.4028/www.scientific.net/amr.415-417.2070.

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The various methods for improving chloride penetration resistance in the reinforced concrete have been developed. Among the related general ways, using of corrosion inhibitor became very common. Therefore, in this study, in order to comprehend performance of corrosion inhibitor, the experiment study was conducted about corrosion characteristic of 3 steps(0.0, norm 1/2, norm) compared to organic corrosion inhibitor standard use of liquid and molar 3 steps(0.0, 0.3, 0.6%) of Chloride by added amount of inorganic corrosion inhibitor by the corrosion inhibitor types about 2.4kg/m3, 4.8kg/m3based o

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14

Ghani, Juliana, Fatimah Mohamed Yusop, Azzura Ismail, Tuan Noor Hasanah Tuan Ismail, and Edi Agustian. "Factors Influencing Corrosion of Underground Metal Pipes in Clay Soil." Journal of Advanced Research in Applied Sciences and Engineering Technology 65, no. 1 (2025): 27–36. https://doi.org/10.37934/araset.65.1.2736.

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Corrosion is a major contributor for failures of buried metal pipes. Pipeline corrosion is a worldly recognized problem and has been a major concern for owners of pipeline in the past decades. This study is aim to characterize the influences of soil properties that causes the corrosion of underground pipes which is moisture content, organic content, pH value and chemical composition content. Soil samples from three different areas were taken to the laboratory for test and analysis. The soil samples are tested by four tests which moisture content test, soil pH test, organic content test and che

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15

Saputra, Doni, and M. Dalil. "Planning and Design of Corrosion Rate Equipment." Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse) 33, no. 1 (2016): 9–12. https://doi.org/10.36842/jomase.v33i1.407.

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Corrosion is natural process that occurred in metal structure. In the planning of construction, metal is the important part of construction. Yet it is often, corrosion phenomenon occurred due to interface with corrosive environment. In the design process, it is need to consider the metal behavior on how much the corrosion rate occurred for a certain time in order to confirm the metal structure application. This equipment is built to support the knowledge of corrosion rate for metal. The experiment shows the result of three specimens regarding the corrosion rates. The corrosive condition is cre

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16

Sheashea, M., B. Zagloul, M. Zorainy, I. Naeem, and M. Gobara. "Corrosion Resistance Improvement of Mild Steel." Journal of Physics: Conference Series 2830, no. 1 (2024): 012002. http://dx.doi.org/10.1088/1742-6596/2830/1/012002.

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Abstract Corrosion’s devastating consequences have become a big issue all over the world. One of the corrosion damage aspects are related to decontamination solutions which are essential for rapid degradation of toxic agents. The decontamination solutions should be non-corrosive to avoid deterioration of steel container. Decontamination solutions comprising have high chlorinating activity so they have a corrosive effect on mild which are used in fabrication of storage tanks. In this case, using inhibitors is one of the most effective strategies to limit the rate of corrosion. This work describ

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17

P, Roshith, and Arivarasu M. "Improvements on hot corrosion behaviour of HVOF coated CO₂ laser beam and pulsed gas tungsten arc weldments in 2.5% sulphur gas plus molten salt in industrial waste incinerator environment." Engineering Research Express 4, no. 2 (2022): 025003. http://dx.doi.org/10.1088/2631-8695/ac5ebd.

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Abstract This research article discusses in detail how the‌ ‌rate‌ ‌of‌ ‌corrosion‌ ‌increases‌ for the Alloy 254 in the ‌molten‌ ‌salt‌ ‌mixture‌ ‌of‌ ‌10‌ ‌wt%‌ ‌NaCl‌ ‌+ 40‌ ‌wt%‌ ‌K‌2‌SO‌4‌ + 40‌ ‌wt%‌ ‌Na‌2‌SO‌4‌ ‌+‌ ‌10‌ ‌wt%‌ ‌KCl‌ ‌and‌ ‌corrosive‌ ‌gas‌ combination of ‌ ‌2.5‌%‌ ‌SO‌2‌ ‌+‌ ‌3‌%‌ ‌O‌2‌ ‌+‌ ‌25‌%‌ ‌CO‌2‌ ‌+‌ ‌69.5‌%‌ ‌N‌2 in simulated municipal‌ ‌solid‌ ‌waste‌ ‌‌incinerator environment at 700 °C and 800 °C.‌ ‌In addition, the article shows rate of ‌thermal corrosion abridged due to the addition‌ ‌of‌ ‌80‌ ‌Ni-‌ ‌20‌ ‌Cr‌ ‌-‌High-velocity oxygen fuel ‌coating‌ ‌on‌ ‌the‌

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18

Journal, Baghdad Science. "Some Non-destructive Testing for Al metal in 0.1N of NaCl and NaOH." Baghdad Science Journal 8, no. 4 (2011): 988–95. http://dx.doi.org/10.21123/bsj.8.4.988-995.

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In this work the corrosion behavior of Al metal was studied by using non- destructive testing (NDT), which is a noninvasive technique for determining the integrity of a material. The ultrasonic waves was used to measure the corrosion which occur by two corrosive medium (0.1N sodium chloride and 0.1N sodium hydroxide) and study the corrosion by weight-loss method and electrochemical method in addition to performance the microscopic inspection for the samples before and after the immersion in the corrosive medium. Corrosion parameters were interpreted in these media which involve corrosion poten

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19

Żaba, Krzysztof, Krzysztof Szymański, Maciej Balcerzak, Ilona Różycka, Łukasz Kuczek, and Piotr Żabiński. "Effect of Surface Finishing on the Corrosion Resistivity of 3D Printed M300 Steel." Materials 17, no. 24 (2024): 6047. https://doi.org/10.3390/ma17246047.

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The purpose of this study was to investigate the influence of synthesis parameters and surface finish on the corrosion of DMLS-printed M300 steel components and to evaluate their applicability in corrosive environments. In order to assess the influence of the corrosive environment, potentiodynamic and long-term corrosion tests were carried out in this study, together with microscopic and EDS studies on 3D-printed M300 steel samples synthetized using the DMLS method with different laser powers. The results show that DMLS-produced M300 steel is vulnerable to corrosion in corrosive environments.

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20

Fan, Yu Guang, Zai Dong Piao, Bing Chen, and San Pin Zhou. "The Analysis of the Corrosion Parameters' Sensitivity of the Fractionator Overhead Recycle System." Advanced Materials Research 590 (November 2012): 91–94. http://dx.doi.org/10.4028/www.scientific.net/amr.590.91.

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The relation model established by artificial neural network that includes 4 corrosive material parameters that are Cl-, H2S, NH3 and pH value and corrosion testing parameter that is Fe2+ of the fractionator overhead recycle system, studied the corrosion sensitivity of the corrosion parameters, has got the sensitive areas, put forward the suitable range of the corrosive material parameters of corrosion control in the production process.

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21

Wang, Ping, Zhao Hui Yin, Han Tao Ren, Song Xu, and Dong Wei Ma. "Review of Copper Atmospheric Corrosion in H₂S." Applied Mechanics and Materials 548-549 (April 2014): 177–81. http://dx.doi.org/10.4028/www.scientific.net/amm.548-549.177.

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The losses due to copper corrosion in H2S atmospheric corrosion have attracted much focus. It’s important to improve copper corrosion resistance that the corrosion law, corrosion mechanism and characteristics were studied in H2S environment. This paper reviewed the corrosion behavior of copper, analyzed the impact of environment factors and corrosion analysis tools. Through evaluating and improving corrosion by external factors, including improving corrosive environment, using coating protection and adding corrosion inhibitors, appropriate corrosion measures were taken to extend the life of th

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22

Zhang, Jifu, Chunming Deng, Jinbing Song, Changguang Deng, Min Liu, and Mingjiang Dai. "Electrochemical Corrosive Behaviors of Fe-Based Amorphous/ Nanocrystalline Coating on Stainless Steel Prepared by HVOF-Sprayed." Coatings 9, no. 4 (2019): 226. http://dx.doi.org/10.3390/coatings9040226.

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In this study, FeCrMnWMoSi amorphous/nanocrystalline coating was prepared on stainless steel by high-velocity oxygen fuel (HVOF) spraying. In order to thoroughly evaluate this novel material, the corrosion behaviors and corrosive film characteristics of the amorphous/nanocrystalline coating in NaCl corrosive media were studied using electrochemical measurement technologies such as potentiodynamic polarization curves and electrochemical impedance spectroscopy (EIS). It was found that the corrosion resistance of Fe-based amorphous/nanocrystalline coating could be attributed to the passive film f

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23

Ahmed, Muhammad, Muhammad Shahid, Zulfiqar Khan, et al. "Electrochemical Comparison of SAN/PANI/FLG and ZnO/GO Coated Cast Iron Subject to Corrosive Environments." Materials 11, no. 11 (2018): 2239. http://dx.doi.org/10.3390/ma11112239.

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ZnO/GO (Graphene Oxide) and SAN (Styrene Acrylonitrile)/PANI (Polyaniline)/FLG (Few Layers Graphene) nanocomposite coatings were produced by solution casting and sol-gel methods, respectively, to enhance corrosion resistance of ferrous based materials. Corrosive seawater and ‘produced crude oil water’ environments were selected as electrolytes for this study. Impedance and coating capacitance values obtained from Electrochemical Impedance Spectroscopy (EIS) Alternating Current (AC technique) showed enhanced corrosion resistance of nanocomposites coatings in the corrosive environments. Tafel sc

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24

Wang, Kui, Zhanqiang Li, and Mingjie Zhao. "Mechanism of Localized Corrosion of Steel Pipe Pile Foundation for Offshore Wind Turbines and Corrosive Action." Open Civil Engineering Journal 10, no. 1 (2016): 685–94. http://dx.doi.org/10.2174/1874149501610010685.

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The wind turbine foundation serves as a permanent construction in the harsh marine corrosive environment, its anti-corrosion design is essential to the safe use of the wind turbine structure. At present, there is a significant controversy over the local corrosion mechanism (such as pitting corrosion, and crevice corrosion) and its diffusion mechanism in the academic circle. In the paper, the Faraday electrochemistry formula was used to compute the local corrosion degree of the steel pipe pile for the wind turbine and obtain the general corrosion equivalent. The local corrosion effect of the of

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25

Suarsana, I. Ketut, I. Made Astika, and I. Gede Putu Agus Suryawan. "Efek perlakuan pack carburizing dan media korosif pada baja AISI 1045 terhadap laju korosi." Jurnal Energi Dan Manufaktur 14, no. 2 (2022): 37. http://dx.doi.org/10.24843/jem.2021.v14.i02.p01.

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Corrosion is a destructive symptom that affects the properties of a metal, which means that the physical properties and quality of the metal decrease due to the electrochemical reaction between the metal and its environment so that the strength of the metal decreases. Corrosion control can be used to avoid the negative impact of corrosion, through the pack carburizing treatment method. The material used in this research is AISI 1045 steel. To determine the effect of pack carburizing on the corrosion rate of steel, the research was carried out by varying the suhue of the carburizing pack and co

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26

Li, Li, Jun Ling Tian, Yi Liang Peng, and Guo Xin Li. "Investigation on the Anti-Corrosion Layer of the Power Transmission Steel Structures." Applied Mechanics and Materials 427-429 (September 2013): 400–403. http://dx.doi.org/10.4028/www.scientific.net/amm.427-429.400.

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The power transmission steel structures are used in the outdoor and the durability will be decreased due to the various corrosions, so the structures usually coated the anti-corrosion layers such as hot-dip coating, zinc-rich coating or thermal spray zinc coating. The anti-corrosion layers on three power transmission steel structures in Henan province, China were investigated by the corrosion morphology and the residual coating thickness. The results indicated that the corrosion degree of the bolts is higher than that of the steels, and there are local corrosions occurred on the surface of the

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27

Cai, Yikun, Yuanming Xu, Yu Zhao, and Xiaobing Ma. "Atmospheric corrosion prediction: a review." Corrosion Reviews 38, no. 4 (2020): 299–321. http://dx.doi.org/10.1515/corrrev-2019-0100.

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AbstractThe atmospheric corrosion of metallic materials causes great economic loss every year worldwide. Thus, it is meaningful to predict the corrosion loss in different field environments. Generally, the corrosion prediction method includes three parts of work: the modelling of the corrosive environment, the calibration of the corrosion effects, and the establishment of the corrosion kinetics. This paper gives an overview of the existing methods as well as promising tools and technologies which can be used in corrosion prediction. The basic corrosion kinetic model is the power function model

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28

Pletnev, Mikhail. "Carbon nanocomposites in the corrosion inhibition." E3S Web of Conferences 225 (2021): 05002. http://dx.doi.org/10.1051/e3sconf/202122505002.

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Metal-carbon nanocomposites have been investigated as additives to enhance the protective effect of corrosion inhibitors. Two inhibitors were used as corrosion inhibitors. Inhibitor VNH-L-113 (1-morpholinomethylcyclohexylamine) belongs to Schiff bases, which are known as corrosion inhibitors in neutral and acidic media. Inhibitor SNPKh-1004 is often used in the practice of corrosion protection in the oil and gas industry. For research, an electrochemical method was applied using corrosion rate meters of the Monicor type. Neutral aqueous solution and water simulating the corrosive environment o

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29

Umoren, S. A., and M. M. Solomon. "Recent Developments on the Use of Polymers as Corrosion Inhibitors - A Review." Open Materials Science Journal 8, no. 1 (2014): 39–54. http://dx.doi.org/10.2174/1874088x01408010039.

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The use of corrosion inhibitors is the one the most economical and practical means of controlling metallic corrosion in different corrosive media. Interest on the use of eco-friendly organic compounds as corrosion inhibitors has extended to the use of polymers to inhibit metallic corrosion. The use of polymers as corrosion inhibitors has attracted attention and has gained wide acceptance in recent times. This has been attributed to a number of factors namely: (i) they are low cost and stable to metallic materials in acid media, (ii) they possess multiple adsorption sites, (iii) through their f

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30

Liu, Congcong, Zongde Liu, Yuan Gao, Xinyu Wang, and Chao Zheng. "High-temperature corrosion behavior of TP91, C22 alloy and C22 based on laser coatings in simulated reducing corrosion environment." Materials Research Express 9, no. 1 (2022): 016519. http://dx.doi.org/10.1088/2053-1591/ac4732.

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Abstract To explore corrosion characteristics of TP91, C22 alloy and C22 laser coatings in reducing environment caused by low-nitrogen combustion at 500 °C–600 °C, a synthetic corrosive medium containing 0.2 vol% H2S-0.1 vol% O2–N2 were selected. Results showed that the order of corrosion resistance is: C22 laser coatings>C22 alloy>TP91. 550 °C was the limit corrosion temperature for C22 alloy and C22 laser coatings. The reason for the strong corrosion resistance of C22 alloy and C22 laser coatings is that a dense layer of Cr-rich corrosion products due to the is produced in the inner la

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Zhu, Xiaohong, Yingxu Huo, Andy YF Leung, Tarek Zayed, and Dan Tsang. "Corrosion of pipes for conveying drinking water in Hong Kong: mechanisms and controlling strategies." HKIE Transactions 31, no. 1 (2024): 1–22. http://dx.doi.org/10.33430/v31n1thie-2022-0045.

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A drinking water distribution system (DWDS) ensures access to safe water and provides the basis for city life. However, the pipes in DWDSs are threatened by corrosion externally and internally. This paper critically reviews the mechanisms and types of corrosion in pipes for drinking water, followed by an outline of the related controlling strategies. Special focus is accorded to pipes under the soil environment near coastal areas subjected to seawater intrusion. The corrosion that happens internally (erosion-corrosion, microbially influenced corrosion, and other ions) or those that occur exter

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32

Guo, Qifeng, Jiliang Pan, Min Wang, Meifeng Cai, and Xun Xi. "Corrosive Environment Assessment and Corrosion-Induced Rockbolt Failure Analysis in a Costal Underground Mine." International Journal of Corrosion 2019 (March 4, 2019): 1–9. http://dx.doi.org/10.1155/2019/2105842.

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As an effective ground-reinforcing system, rockbolts have been widely used in underground excavations. Corrosion of rockbolts has been one of the most reasons for rockbolts system failure. In this paper, the chemical composition and pH values of the groundwater in Sanshandao Gold mine are first tested. Corrosion of the slotted rockbolts used in roadways of the mine is analysed. The corrosion rate of rockbolts is evaluated based on experimental results from similar corrosive conditions. A time-dependent analytical model on anchoring force degradation caused by corrosion of the rockbolt is devel

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Mahalaksmi Gunasilan, Shaiful Rizam Shamsudin, Nursalasawati Rusli, Mohd Rafi Adzman, and Wan Mohd Haqqi Wan Ahmad. "Corrosion Behaviour of Mild Steel: Insights from Tafel Extrapolation Analysis in Flowing 3.5% NaCl Solutions and Soil with Diverse Resistivity Levels." International Journal of Nanoelectronics and Materials (IJNeaM) 17, December (2024): 269–79. https://doi.org/10.58915/ijneam.v17idecember.1632.

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The corrosion behaviour of AISI 1006 steel in diverse environmental conditions were comprehensively investigated to offer valuable insights into corrosion mitigation strategies for critical infrastructure protection. This study employed an optical emission spectrometer, pH measurements, soil resistivity assessment, and Tafel extrapolation conducted with a potentiostat. The study encompassed stagnant and flowing 3.5% NaCl solutions, with flow velocities ranging from 0 to 12 km/h, and considered soil corrosiveness based on soil resistivity. In stagnant 3.5% NaCl solutions, minimal corrosion was

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34

Дронов and Andrey Dronov. "THE PROPERTIES OF PITTING CORROSION OF STEEL REINFORCEMENT OF REINFORCED CONCRETE BEAMS." Bulletin of Belgorod State Technological University named after. V. G. Shukhov 2, no. 3 (2017): 32–36. http://dx.doi.org/10.12737/24678.

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Two types of steel reinforcement depassivation process: carbonation of concrete and chloride penetration are considered in the article. The comparison between the corrosion due to carbonation of concrete and the chloride-induced corrosion was carried out. It was found out, that chlorides induced corrosion is potentially more dangerous than that resulting from carbonation. Method of durable tests of reinforced concrete structures under the action of the gravitational load and the corrosive chloride environment is described in the article. The results of experimental research on reinforced concr

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35

de Sousa Leite, Kelson, Antônio Alves de Carvalho, Paulo Ronaldo Sousa Teixeira, and José Milton Elias de Matos. "Cashew Nut Shell Liquid as an Anticorrosive Agent in Ceramic Materials." Sustainability 15, no. 11 (2023): 8743. http://dx.doi.org/10.3390/su15118743.

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One of the significant challenges of the ceramics industry is to increase the corrosion resistance of ceramic materials, and the study of this corrosion requires a detailed investigation using several characterization methods, such as the knowledge of technological properties including the absorption, apparent porosity, and mechanical resistance of these ceramic materials. This corrosion resistance can be further improved by using a protective coating on the surface of ceramic materials, such as cashew nut shell liquid (CNSL), which has been used as a green, environmentally friendly corrosion

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36

Kumar, Saurabh, Reena Singh, and N. S. Maurya. "Assessment of Corrosion Potential Based on Water Quality Index in the Distribution Network of Urban Patna, Bihar, India." Nature Environment and Pollution Technology 21, no. 5(Suppl) (2022): 2117–27. http://dx.doi.org/10.46488/nept.2022.v21i05.008.

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Corrosion in the distribution network pipe can lead to pipe failure and water quality problems. This study assesses the corrosion or scaling potential based on the Water Quality Index (WQI) of drinking water in the distribution networks of Patna, Bihar, India. The water samples were collected from 18 points of the distribution network. In situ parameters like temperature, pH, electrical conductivity, and TDS were measured. Other parameters such as Alkalinity, Total hardness, Calcium, Magnesium, Chloride, Residual chlorine, Sulfate, Nitrate, and Dissolved oxygen were examined in the laboratory.

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37

Smolyago, G. A., A. V. Dronov, and N. V. Frolov. "MODELING OF REDUCTION IN THE CROSS-SECTIONAL AREA OF STEEL REINFORCEMENT IN CONCRETE UNDER THE ACTION OF CORROSIVE ENVIRONMENT." Proceedings of the Southwest State University 21, no. 1 (2017): 43–49. http://dx.doi.org/10.21869/2223-1560-2017-21-1-43-49.

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Process of depassivation of steel in concrete under the action of chloride corrosive environment is considered. Method of durable testing of bended reinforced concrete structures during corrosive period is described. Results of experimental research in steel reinforcement corrosion in reinforced concrete beams under the action of corrosive environment are described in the article. The diagram of corrosive potential changes during the testing time is given in the article. Measurements of corrosion potential were carried out by the corrosion analyzing instrument. Analysis of corrosive potential

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38

Ivošević, Špiro, Đenđi Vaštag, and Nataša Kovač. "The Analyses of the Corrosion Process of a NI-Ti Shape Memory Alloy in Different Environment." Interdisciplinary Journal of Research and Development 9, no. 4. S2 (2022): 1. http://dx.doi.org/10.56345/ijrdv9n4s201.

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In this paper, we investigate the corrosion process of Ni-Ti alloy obtained by the new continius casting method. As the corrosion rate of the material depends on the environment in which the material is located and the corrosion product that slows down the corrosion process over time, in this paper we analyze changes in the base material and the formed corrosion product. This changes were analysed in three different marine environments and at different time intervals of 6 and 12 months. Investigation on the base Ni-Ti alloy, were conducted on base of analyses of the corrosion depth in nm which

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Lin, Zhen, Guo Zhang Li, Hong Bai Bai, and Chun Hong Lu. "Experimental Investigation on Damping Characteristic of Metal Rubber Material at Simulated Marine Environment." Applied Mechanics and Materials 456 (October 2013): 110–14. http://dx.doi.org/10.4028/www.scientific.net/amm.456.110.

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To meet the need of damping material at the marine corrosive environment, the clamped-edge disk type of metal rubber specimen is designed and its corrosion-load alternate experiment is performed, the anti-corrosive and damping characteristic of the material at the marine corrosive environment is researched. The experimental results show that the corrosive rate of 304 stainless steel metal rubber specimen at cycle-immersion corrosion-load alternate environment is the highest and its decay rate of dynamic average rigidity is also the highest, and followed by full-immersion, cycle-salt-spray and

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40

Rasheed, Usman, Hyundong Lee, Myeongsik Kong, and Pilljae Kwak. "A study on the corrosion index of Tap Water(TW) and Reclaimed Water(RW) using KWI(Korea Water Index) and KRWI(Korea Reclaimed Index Water) method." International Journal of Engineering & Technology 7, no. 3.33 (2018): 209. http://dx.doi.org/10.14419/ijet.v7i3.33.21014.

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This study aim to find the corrosion index of Tap water and Reclaimed water using KWI (Korea Water Index) and KRWI (Korea Reclaimed Water Index) method. The impact of corrosion inhibiting factors (pH ,hardness, alkalinity) and corrosion accelerating facor (TDS, chlorine ion, sulphate ion) has studied. The corrosion assessment method based on the corrosion index is used in predicting corrosion and offering information on the control of corrosive water quality.

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41

Hadi, Syamsul, Sza Sya Monica Valeria, Satworo Adiwidodo, Utsman Syah Amrullah, R. N. Akhsanu Takwim, and Hilmi Iman Firmansyah. "Corrosion Rate of Black Chromium Coating Result of Electroplating on Copper." INTEK: Jurnal Penelitian 7, no. 2 (2021): 128. http://dx.doi.org/10.31963/intek.v7i2.2681.

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The problem faced is that the white chromium coating has a low selling value or aesthetic value than the black chromium layer which is more in demand, especially by the younger generation who prioritizes aesthetics. The purpose of the corrosion test was to determine the corrosion resistance ability of the black chromium coating resulting from the electroplating process on the relationship between the solution temperature and the immersion time of copper in a corrosive solution. Corrosion test methods include literature studies, field observations, weighing specimens, immersing specimens in cor

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42

Flores-Garcia, N. S., C. D. Arrieta-Gonzalez, J. J. Ramos-Hernandez, et al. "Rare Earth-Based Compounds as Inhibitors of Hot-Corrosion Induced by Vanadium Salts." Materials 12, no. 22 (2019): 3796. http://dx.doi.org/10.3390/ma12223796.

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In this study, the performance evaluation of lanthanum compounds as corrosion inhibitors of vanadium salts was performed. The inhibitors tested were lanthanum acetate and La2O3. The performance of the inhibitors was tested using sodium metavanadate (NaVO3) as a corrosive medium at 700, 800, and 900 °C. The corrosion inhibitory effect was evaluated on the corrosion process of 304H stainless steel. The corrosion rate of the steel was determined by the mass loss technique after 100 h of immersion in the corrosive salt with and without the addition of the corrosion inhibitor. The results show that

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43

Martin, Holly J., M. F. Horstemeyer, and Paul T. Wang. "Effects of Variations in Salt-Spray Conditions on the Corrosion Mechanisms of an AE44 Magnesium Alloy." International Journal of Corrosion 2010 (2010): 1–10. http://dx.doi.org/10.1155/2010/602342.

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The understanding of how corrosion affects magnesium alloys is of utmost importance as the automotive and aerospace industries have become interested in the use of these lightweight alloys. However, the standardized salt-spray test does not produce adequate corrosion results when compared with field data, due to the lack of multiple exposure environments. This research explored four test combinations through three sets of cycles to determine how the corrosion mechanisms of pitting, intergranular corrosion, and general corrosion were affected by the environment. Of the four test combinations, H

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Hussain, Mahmoud. "Synthesis, Characterization and evaluation of new." JOURNAL OF ADVANCES IN CHEMISTRY 12, no. 2 (2016): 3956–63. http://dx.doi.org/10.24297/jac.v12i2.2153.

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ABSTRACT A new polymer surfactant derived from cis-1,4-cyclohexane bis(methylamine) and ethylenediamintetraacetic acid [2,2'-(1,12-bis(4-(aminomethyl)cyclohexyl)-3,10-dioxo-2,5,8,11-tetraazadodecane-5,8-diyl) diacetic acid ] was synthesized and characterized by FTIR and 1HNMR. A series of electrochemical measurements, including corrosion potential and corrosion current has been made on the surfactant for carbon steel samples in corrosive environment. Results showed that the surfactant can offer some degrees of protection in the corrosive environments. The corrosion study of this polymer outlin

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45

Fu, Lei, Hui Li, Li Lin, et al. "Corrosion mechanism and fatigue behavior of 2A70-T6 aluminum alloy under alternating corrosion and fatigue." Anti-Corrosion Methods and Materials 68, no. 5 (2021): 422–37. http://dx.doi.org/10.1108/acmm-02-2020-2265.

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Purpose Most supersonic aircraft were manufactured using 2A70 aluminum alloy. The purpose of this paper is to study the corrosion mechanism and fatigue behavior of an aircraft in a semi-industrial atmospheric corrosive environment, alternating effects of corrosion and fatigue were used to simulate the aircraft’s ground parking corrosion and air flight fatigue. Design/methodology/approach For this purpose, the aluminum alloy samples were subjected to pre-corrosion and alternating corrosion-fatigue experiments. The failure mechanisms of corrosion and corrosion fatigue were analyzed using microsc

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46

Kubzová, Monika, Vit Křivý, Viktor Urban, and Katerina Kreislova. "Corrosive Environment Factors and their Influence on the Development of Weathering Steel Corrosion Products." Key Engineering Materials 832 (February 2020): 137–46. http://dx.doi.org/10.4028/www.scientific.net/kem.832.137.

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This article deals with the topic of atmospheric corrosion. Atmospheric corrosion causes damage to nearly 80% of all existing steel structures. The main parameters of atmospheric corrosion are the time of wetness (TOW), air temperature and aggressive corrosive agents such as chlorides, sulfur dioxide and others. Currently, low alloy steels with improved atmospheric corrosion resistance called weathering steels are used for the steel structures located in outdoor environment. A protective layer of corrosion products is created on the steel surface and this layer can reduce continuation of corro

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47

Ali, Murad, Anwar Ul-Hamid, Tayyab Khan, et al. "Corrosion-related failures in heat exchangers." Corrosion Reviews 39, no. 6 (2021): 519–46. http://dx.doi.org/10.1515/corrrev-2020-0073.

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Abstract Corrosion is the primary cause of failure of heat exchangers in industry, especially in the oil and petrochemical sector. The modes of failure related to corrosion include erosion corrosion, pitting corrosion, crevice corrosion, grain boundary corrosion, dealloying, galvanic corrosion, stress corrosion cracking, waterside corrosion, uniform corrosion, and microbially induced corrosion. Primary causes of corrosion-related failures were found to be fabrication and welding defects, presence of residual stresses, inappropriate materials selection and design, improper water chemistry/flow

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Sun, Jie, Wenxiang Zhao, Pei Yan, et al. "Effect of Corrosive Medium and Surface Defect-Energy on Corrosion Behavior of Rolled ZK61M Alloy." Materials 15, no. 12 (2022): 4091. http://dx.doi.org/10.3390/ma15124091.

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Magnesium alloys have been widely used as lightweight engineering structural materials, but their service performances are severely restricted by corrosion failure. In this paper, the influence of corrosive medium and surface defect energy on the corrosion behavior of rolled ZK61M alloy was investigated. The corrosion tests were conducted in different concentrations of sodium chloride solution for different durations, and the polarization curves and electrochemical impedance spectroscopy were reported. The surface morphology of rolled ZK61M alloy before and after corrosion tests were analyzed.

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49

Yahya, Febriyandhi, Ade Trisnawati, and Mohammad Arfi Setiawan. "The effect of sambiloto leaf (Andrographis paniculata Nees) extract inhibitor concentration on the corrosion rate of iron in the corrosive HCl medium and well water." Jurnal Pijar Mipa 18, no. 2 (2023): 274–78. http://dx.doi.org/10.29303/jpm.v18i2.4780.

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Corrosion is a chemical reaction between metal and chemical substances in free air influenced by typographical conditions, climate, and humidity levels around the metal object. If left unchecked, it can cause damage to the metal infrastructure, material losses, and harm in terms of safety and security. Therefore, a way to inhibit corrosion is needed by creating an environmentally friendly inhibitor from natural materials. One of them is by utilizing Sambiloti leaf as a natural inhibitor. Sambiloto leaves contain tannins which can inhibit corrosion well. This study aimed to determine the effici

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Li, Ning, Weifang Zhang, Hai Xu, Yikun Cai, and Xiaojun Yan. "Corrosion Behavior and Mechanical Properties of 30CrMnSiA High-Strength Steel under an Indoor Accelerated Harsh Marine Atmospheric Environment." Materials 15, no. 2 (2022): 629. http://dx.doi.org/10.3390/ma15020629.

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In this work, the corrosion behavior and mechanical properties of 30CrMnSiA high-strength steel under a harsh marine atmosphere environment were systematically studied using accelerated test technology, along with corrosion kinetic analysis, microstructure and phase composition analysis, electrochemical measurements, and mechanical property tests. The influence of corrosion time on corrosion kinetics was characterized by the weight loss method. The corrosion layer and its product evolution were analyzed by SEM, EDS, XRD, and XPS. The corrosion behavior of steel was studied by a potentiodynamic

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