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Artykuły w czasopismach na temat „Corrosion Science and Engineering”

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Data publikacji: 7 września 2023

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1

Latanision, R. M. "Corrosion Science, Corrosion Engineering, and Advanced Technologies". CORROSION 51, nr 4 (kwiecień 1995): 270–83. http://dx.doi.org/10.5006/1.3293592.

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2

Ashworth, V. "‘Corrosion for science and engineering’". British Corrosion Journal 32, nr 4 (styczeń 1997): 240. http://dx.doi.org/10.1179/bcj.1997.32.4.240.

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3

Robert P.Wei i Ryuichiro EBARA. "Corrosion Fatigue : Science And Engineering". Journal of the Society of Mechanical Engineers 91, nr 841 (1988): 1214–19. http://dx.doi.org/10.1299/jsmemag.91.841_1214.

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4

Lyon, S. "Corrosion for science and engineering". Corrosion Science 38, nr 8 (sierpień 1996): 1425–26. http://dx.doi.org/10.1016/0010-938x(96)89787-3.

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5

Green, Warren. "CORROSION Special Issue: Australasian Corrosion Association’s Advances in Corrosion Science and Corrosion Engineering". Corrosion 76, nr 5 (1.05.2020): 439–40. http://dx.doi.org/10.5006/3541.

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6

Macdonald, D. D., i M. Urquidi-Macdonald. "Corrosion Damage Function—Interface between Corrosion Science and Engineering". CORROSION 48, nr 5 (maj 1992): 354–67. http://dx.doi.org/10.5006/1.3315945.

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7

Walker, Robert. "Corrosion for students of science and engineering". British Corrosion Journal 23, nr 2 (styczeń 1988): 87–88. http://dx.doi.org/10.1179/000705988798271018.

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8

Procter, R. P. M. "Corrosion science and engineering: some recent developments". Materials Science and Engineering: A 184, nr 2 (sierpień 1994): 135–53. http://dx.doi.org/10.1016/0921-5093(94)91027-8.

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9

Newman, R. C. "Corrosion for students of science and engineering". Corrosion Science 28, nr 7 (styczeń 1988): 741–42. http://dx.doi.org/10.1016/0010-938x(88)90051-0.

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10

Li, Tianrun, Debin Wang, Suode Zhang i Jianqiang Wang. "Corrosion Behavior of High Entropy Alloys and Their Application in the Nuclear Industry—An Overview". Metals 13, nr 2 (10.02.2023): 363. http://dx.doi.org/10.3390/met13020363.

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With multiple principal components, high entropy alloys (HEAs) have aroused great interest due to their unique microstructures and outstanding properties. Recently, the corrosion behavior of HEAs has become a scientific hotspot in the area of material science and engineering, and HEAs can exhibit good protection against corrosive environments. A comprehensive understanding of the corrosion mechanism of HEAs is important for further design of HEAs with better performance. This paper reviews the corrosion properties and mechanisms of HEAs (mainly Cantor alloy and its variants) in various environments. More crucially, this paper is focused on the influences of composition and microstructure on the evolution of the corrosion process, especially passive film stability and localized corrosion resistance. The corrosion behavior of HEAs as structural materials in nuclear industry applications is emphasized. Finally, based on this review, the possible perspectives for scientific research and engineering applications of HEAs are proposed.
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11

Miyasaka, Matsuo. "Strengthen the Foundation of “Corrosion Science and Engineering”". Zairyo-to-Kankyo 57, nr 8 (2008): 339. http://dx.doi.org/10.3323/jcorr.57.339.

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12

Charles, Alasdair. "Electrochemical techniques in corrosion science and engineering, Hardback". Electrochimica Acta 48, nr 8 (kwiecień 2003): 1082. http://dx.doi.org/10.1016/s0013-4686(02)00768-5.

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13

Yokokawa, Harumi. "Use of Thermodynamic Database Corrosion Science and Engineering". CORROSION ENGINEERING 37, nr 8 (1988): 524–25. http://dx.doi.org/10.3323/jcorr1974.37.8_524.

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14

Matsushima, Iwao. "Diffusion and Development in Corrosion Science and Engineering". Zairyo-to-Kankyo 48, nr 2 (1999): 54–60. http://dx.doi.org/10.3323/jcorr1991.48.54.

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15

Burstein, G. Tim. "Enlarging Corrosion Science". Corrosion Science 50, nr 1 (styczeń 2008): 1. http://dx.doi.org/10.1016/j.corsci.2007.09.005.

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16

Sakai, Jun'ichi. "Corrosion Science and Engineering for Social and Industrial Infrastructures". Materia Japan 50, nr 7 (2011): 279–82. http://dx.doi.org/10.2320/materia.50.279.

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17

Scully, John R. "Future Frontiers in Corrosion Science and Engineering, Part I". Corrosion 74, nr 1 (1.01.2018): 3–4. http://dx.doi.org/10.5006/2734.

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18

Grum, Janez. "Book Review: Analytical Methods in Corrosion Science and Engineering". International Journal of Microstructure and Materials Properties 2, nr 3/4 (2007): 442. http://dx.doi.org/10.1504/ijmmp.2007.015534.

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19

Kelly, R. G., J. Yuan, C. M. Weyant i K. S. Lewis. "Applications of capillary electrophoresis in corrosion science and engineering". Journal of Chromatography A 834, nr 1-2 (luty 1999): 433–44. http://dx.doi.org/10.1016/s0021-9673(98)01090-5.

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20

Sun, Jie, Wenxiang Zhao, Pei Yan, Kaijie Chen, Li Jiao, Tianyang Qiu i Xibin Wang. "Effect of Corrosive Medium and Surface Defect-Energy on Corrosion Behavior of Rolled ZK61M Alloy". Materials 15, nr 12 (9.06.2022): 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. The results showed that the corrosion tendency became stronger with the increase of the concentration of corrosive medium and the number of surface defects of ZK61M alloy. Moreover, the initial corrosion pattern was the pitting caused by micro galvanic corrosion at the surface defect, which gradually developed into uniform corrosion. Furthermore, the main damage occurred at the grain boundary, resulting in the destruction of grain bonding force and the removal of material along the rheological layer. The oxidation corrosion mechanism was mainly the anodic dissolution mechanism.
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21

Saito, Hiroyuki. "An Education Case of Corrosion Science & Engineering in Mechanical Engineering Department". Zairyo-to-Kankyo 68, nr 7 (10.07.2019): 161. http://dx.doi.org/10.3323/jcorr.68.161.

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22

Kee Paik, Edited by Jeom. "A pioneer of corrosion science". Ships and Offshore Structures 17, nr 1 (2.01.2022): 1–6. http://dx.doi.org/10.1080/17445302.2021.2017856.

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23

Kumar, Vanapalli Naveen, i Arjun Sil. "Rubric Assessment and Spatial Zonal Mapping of Atmospheric Corrosion of Steel in India". Corrosion 77, nr 7 (22.04.2021): 795–808. http://dx.doi.org/10.5006/3787.

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Steel is an imperative engineering material due to its endurance; it accounts for a significant part of the world economy. It has enormous demand all over the world for its extensive use in construction and other industries. These industries are experiencing inevitable atmospheric exposure, and exposed steel structures are rapidly deteriorating due to induced atmospheric corrosion. This study assessed and interpreted trends in atmospheric corrosion rates in India for the last 39 y, and spatially mapped seasonal decade-by-decade trends. Northeast India has been identified as the most corrosive region in the country, with the rainy season being the most corrosive season. Corrosion maps for India are prepared on the basis of 39 y of atmospheric data. A corrosion zone map is prepared to classify the country into five different zones based on the rate of atmospheric corrosion. Long-term atmospheric corrosion rates are projected for the next 50 y in all major cities across the country. Long-term corrosion is estimated to reduce the rate of atmospheric corrosion by 81% after 10 y of exposure and 91% after 50 y of exposure.
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24

Scully, John. "Changes to corrosion science". Corrosion Science 26, nr 7 (styczeń 1986): 483. http://dx.doi.org/10.1016/0010-938x(86)90017-x.

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25

Scully, John. "Corrosion science silver jubilee". Corrosion Science 26, nr 1 (styczeń 1986): 1–2. http://dx.doi.org/10.1016/0010-938x(86)90116-2.

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26

Scully, John R. "Future Frontiers in Corrosion Science and Engineering, Part II: Managing the Many Stages of Corrosion". CORROSION 75, nr 2 (luty 2019): 123–25. http://dx.doi.org/10.5006/3132.

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27

Scully, John R. "Corrosion chemistry closing comments: opportunities in corrosion science facilitated by operando experimental characterization combined with multi-scale computational modelling". Faraday Discussions 180 (2015): 577–93. http://dx.doi.org/10.1039/c5fd00075k.

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Recent advances in characterization tools, computational capabilities, and theories have created opportunities for advancement in understanding of solid–fluid interfaces at the nanoscale in corroding metallic systems. The Faraday Discussion on Corrosion Chemistry in 2015 highlighted some of the current needs, gaps and opportunities in corrosion science. Themes were organized into several hierarchical categories that provide an organizational framework for corrosion. Opportunities to develop fundamental physical and chemical data which will enable further progress in thermodynamic and kinetic modelling of corrosion were discussed. These will enable new and better understanding of unit processes that govern corrosion at the nanoscale. Additional topics discussed included scales, films and oxides, fluid–surface and molecular–surface interactions, selected topics in corrosion science and engineering as well as corrosion control. Corrosion science and engineering topics included complex alloy dissolution, local corrosion, and modelling of specific corrosion processes that are made up of collections of temporally and spatially varying unit processes such as oxidation, ion transport, and competitive adsorption. Corrosion control and mitigation topics covered some new insights on coatings and inhibitors. Further advances inoperandoorin situexperimental characterization strategies at the nanoscale combined with computational modelling will enhance progress in the field, especially if coupling across length and time scales can be achieved incorporating the various phenomena encountered in corrosion. Readers are encouraged to not only to use thisad hocorganizational scheme to guide their immersion into the current opportunities in corrosion chemistry, but also to find value in the information presented in their own ways.
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28

Rodriguez-Santiago, Victor, i Joseph Labukas. "DoD-Allied Nations CORROSION Special Issue on Science and Engineering". CORROSION 75, nr 5 (maj 2019): 439. http://dx.doi.org/10.5006/3212.

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29

Takemura, Masahiro. "Data Driven R&D and Corrosion Science and Engineering". Zairyo-to-Kankyo 70, nr 6 (10.06.2021): 181–82. http://dx.doi.org/10.3323/jcorr.70.181.

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30

Heusler, K. E. "Present state and future problems of corrosion science and engineering". Corrosion Science 31 (styczeń 1990): 753–61. http://dx.doi.org/10.1016/0010-938x(90)90193-9.

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31

Fujimoto, Shinji. "Database of Corrosion Science and Engineering and its Practical Usage". Zairyo-to-Kankyo 72, nr 1 (10.01.2023): 1–2. http://dx.doi.org/10.3323/jcorr.72.1.

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32

Sasaki, Hidetsugu. "Database Systems for Corrosion Engineering". CORROSION ENGINEERING 37, nr 10 (1988): 626–32. http://dx.doi.org/10.3323/jcorr1974.37.10_626.

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33

Lv, Shanglin, Kefei Li, Jie Chen i Xiaobin Li. "Corrosion of High-Strength Steel Wires under Tensile Stress". Materials 13, nr 21 (27.10.2020): 4790. http://dx.doi.org/10.3390/ma13214790.

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The stress corrosion cracking is the central issue for high-strength wires under high tensile stress used in civil engineering. This paper explores the resistance of stress corrosion cracking of three typical steel wires of high-strength carbon through a laboratory test, combining the actions of tensile stress and corrosive solution. Besides, the impact of tensile stress and immersion time are also investigated. During the tests, the wires were subject to electrochemical measurements of potentiodynamic polarization and electrochemical impedance spectroscopy, and the microstructure analysis was performed on the fractured cross sections. The obtained results show the following: the high-strength wire, conforming to GB/T 5224, has higher resistance to the combined actions of tensile stress and corrosive solution; tensile stress of 70% fracture strength and longer loading-immersion time make the film of corrosion products on steel surface unstable and weaken the corrosion resistance; the surface film consisted of the iron oxide film and the corrosion products film whose components are mainly iron thiocyanate and iron sulphide.
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34

Lv, Jing, Qing-Xian Yue, Rui Ding, Qi Han, Xin Liu, Jia-Long Liu, Hui-Jie Yu, Kang An, Hai-Bin Yu i Xiao-Dong Zhao. "Construction of Zeolite-Loaded Fluorescent Supramolecular on-off Probes for Corrosion Detection Based on a Cation Exchange Mechanism". Nanomaterials 11, nr 1 (11.01.2021): 169. http://dx.doi.org/10.3390/nano11010169.

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Metal engineering structures are commonly covered and protected by coatings. However, the early local corrosion under the coatings and at defects is difficult to detect and discover. Visibility to the naked eye means that corrosion has already developed and expanded. Therefore, it is practical significant to detect the early corrosion of coated metal. Based on the formation of iron ions and anodic acidification in the local corrosion process, iron ions and proton responsive fluorescent rhodamine B acylhydrazone on-off probes are prepared by newly improved methods and denoted as RBA. RBA are loaded on the surface and in the lattice cage of zeolite (ZEO) to protect RBA from premature exposure to the corrosive environment and fluorescence quenching. In corrosive environments, the RBA loaded on the surface are released and complex with iron ions in the environment to activate fluorescence characteristics. Simultaneously, due to the cation exchange of ZEO, iron ions enter the lattice cage of ZEO and combine with RBA in the lattice cage to turn on fluorescence. When applied in epoxy coatings, the RBA/ZEO effectively indicate the occurrence of corrosion under the coatings and at defects, and accurately locate the corrosion site. Nano-scale ZEO (or RBA/ZEO) fill the micropores such as pinholes and defects of the coatings, and increase the difficulty of diffusion and penetration of corrosive media into the coatings. The application of RBA/ZEO functional filler not only do not weaken the main anti-corrosion performance of the coatings, but also significantly improve it.
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35

Li, Peng, Xiya Huang i Dejun Kong. "Corrosive wear and electrochemical corrosion performances of arc sprayed Al coating in 3.5% NaCl solution". Anti-Corrosion Methods and Materials 68, nr 2 (8.03.2021): 95–104. http://dx.doi.org/10.1108/acmm-08-2020-2357.

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Purpose The purpose of this paper is to investigate the effects of load and speed on the corrosive wear performance of Al coating in 3.5% NaCl solution, which provided an experimental reference for the anti-corrosion engineering on offshore platforms. Design/methodology/approach A layer of Al coating was prepared on S355 steel using an arc spraying. The corrosive wear test was carried out with CFT–1 type surface property tester. The effects of load and speed on the corrosive wear performance of Al coating were investigated and the wear mechanism was also discussed. The electrochemical tests were conducted using a CHI660E type electrochemical workstation, the anti-corrosion mechanism was analyzed. Findings The average coefficient of frictions (COFs) of Al coating under loads of 1.5, 2.5 and 3.5 N are 0.745, 0.847 and 0.423, the wear mechanism is abrasive wear. The average COFs of Al coating at the speeds of 200, 400 and 600 rpm are 0.745, 0.878 and 0.617, respectively, the wear mechanism at the speeds of 200 and 400 rpm are abrasive wear, while that at the speed of 600 rpm is abrasive wear and fatigue wear. The anti-corrosion mechanism is the isolation of Cl– corrosion and cathodic protection of sacrificial anode. Originality/value This paper mainly studied corrosive wear and electrochemical corrosion performances of Al coating. This study hereby confirms that this manuscript is the original work and has not been published nor has it been submitted simultaneously elsewhere. This paper further confirms that all authors have checked the manuscript and have agreed to the submission.
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36

Lyon, Stuart. "Corrosion science—an experimental approach". Corrosion Science 36, nr 10 (październik 1994): 1811–12. http://dx.doi.org/10.1016/0010-938x(94)90135-x.

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37

Fu, Lei, Hui Li, Li Lin, Qingyuan Wang, Qi Fan, Xinjie Huang, XiuLan Li, Sheng Lai i Lifei Chen. "Corrosion mechanism and fatigue behavior of 2A70-T6 aluminum alloy under alternating corrosion and fatigue". Anti-Corrosion Methods and Materials 68, nr 5 (2.09.2021): 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 microscopic characterization methods of electrochemical testing, X-ray diffraction and scanning electron microscopy. Miner’s linear cumulative damage rule was used to predict the fatigue life of aluminum alloy and to obtain its safe fatigue life. Findings The results showed that the corrosion damage caused by the corrosive environment was gradually connected by pitting pits to form denudation pits along grain boundaries. The deep excavation of chloride ions and the presence of intergranular copper-rich phases result in severe intergranular corrosion morphology. During cyclic loading, alternating hardening and softening occurred. The stress concentration caused by surface pitting pits and denudation pits initiated fatigue cracks at intergranular corrosion products. At the same time, the initiation of multiple fatigue crack sources was caused by the corrosion environment and the morphology of the transient fracture zone was also changed, but the crack propagation rate was not basically affected. The polarization curve and impedance analysis results showed that the corrosion rate increases first, decreases and then increases. Fatigue failure behavior was directly related to micro characteristics such as corrosion pits and microcracks. Originality/value In this research, alternating effects of corrosion and fatigue were used to simulate the aircraft’s ground parking corrosion and air flight fatigue. To study the corrosion mechanism and fatigue behavior of an aircraft in a semi-industrial atmospheric corrosive environment, the Miner’s linear cumulative damage rule was used to predict the fatigue life of aluminum alloy and to obtain its safe fatigue life.
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38

Hang, Pengwei, Boshen Zhao, Jiaming Zhou i Yi Ding. "Effect of Heat Treatment on Crevice Corrosion Behavior of 304 Stainless Steel Clad Plate in Seawater Environment". Materials 16, nr 11 (25.05.2023): 3952. http://dx.doi.org/10.3390/ma16113952.

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With the application of stainless steel clad plate (SSCP)-enlarging in the marine engineering field, awareness of the consequences of heat treatment on ameliorating microstructure and mechanical properties in stainless steel (SS)/carbon steel (CS) joints is being raised. However, carbide diffusion from a CS substrate to SS cladding may damage the corrosion resistance during inappropriate heating. In this paper, the corrosion behavior of a hot rolling-produced stainless steel clad plate (SSCP) after quenching and tempering (Q-T) treatment, especially crevice corrosion, was studied by electrochemical and morphological methods, such as cyclic potentiodynamic polarization (CPP), confocal laser scanning microscope (CLSM) and scanning electron microscopy (SEM). Q-T treatment led to more significance in carbon atoms diffusion and carbide precipitation, which made the passive film of the SS cladding surface on the SSCP unstable. Subsequently, a device for measuring the crevice corrosion performance of SS cladding was designed; the Q-T-treated cladding showed lower re-passivation potential (−585 mV) during CPP when compared to as-rolled (−522 mV), with the maximum corrosion depth ranging from 70.1 μm to 150.2 μm. In addition, the processing of crevice corrosion on SS cladding could be divided into three parts, including the initiation, propagation and development stages, which were driven by the interactions between corrosive media and carbides. The generation and growth mechanism of corrosive pits in crevices were revealed.
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39

Zhang, Ye Qin, Li Chun Qi i Yi Sheng Huang. "Anticorrosion Property of TC27 Titanium Alloys and Application Evaluation in Tubing". Materials Science Forum 1035 (22.06.2021): 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 standards such as GB/T 18590-2001, SY/T 7394-2017, GB/T 15748-2013. The results show that TC27 have excellent resistance to pitting corrosion, crevice corrosion and erosion corrosion under the corrosive environment of NaCl and H2S. The alloy also has excellent corrosion resistance and crack resistance under high-intensity environments such as high temperature and high pressure, and has good overall performance, which can effectively meet the needs of anti-corrosion performance of downhole tubing materials in different corrosive environments.
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40

Cheng, Yuanpeng, Yu Bai, Shanfa Tang, Dukui Zheng, Zili Li i JianGuo Liu. "Corrosion behavior of X65 steel in CO2-saturated oil/water environment of gathering and transportation pipeline". Anti-Corrosion Methods and Materials 66, nr 5 (2.09.2019): 671–82. http://dx.doi.org/10.1108/acmm-02-2019-2081.

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Purpose The purpose of this paper is to investigate the corrosion behavior of X65 steel in the CO2-saturated oil/water environment using mass loss method, potentiodynamic polarization technique and characterization of the corroded surface techniques. Design/methodology/approach The weight loss analysis, electrochemical study and surface investigation were carried out on X65 steel that had been immersed in the CO2/oil/water corrosive medium to understand the corrosion behavior of gathering and transportation pipeline steel. The weight loss tests were carried out in a 3 L autoclave, and effects of water cut and temperature on the CO2 corrosion rate of X65 steel were studied. Electrochemical studies were carried out in a three-electrode electrochemical cell with the test temperature was 60°C, and the CO2 partial pressure was 1 atm by recording open circuit potential/time and potentiodynamic polarization characteristics. The surface and cross-sectional morphologies of corrosion product scales were characterized using scanning electron microscopy. The phases of corrosion product scales were investigated using x-ray diffraction. Findings The results showed that due to the wetting and adsorption of crude oil, the corrosion morphology of X65 steel changed under different water cuts. When the water cut of crude oil was 40-50 per cent, uniform corrosion occurred on the steel surface, accompanied by local pitting. While the water cut was 70-80 per cent, the resulting corrosion product scales were thick, loose and partial shedding caused platform corrosion. When the water cut was 90 per cent, the damaged area of platform corrosion was enlarged. Crude oil can hinder the corrosion scales from being dissolved by the corrosive medium, and change dimension and accumulation pattern of the crystal grain, thickness and structure of the corrosion scales. Under the corrosion inhibition effect of crude oil, the temperature sensitive point of X65 steel corrosion process moved to low temperature, appeared at about 50°C, lower corrosion rate interval was broadened and the corrosion resistance of X65 steel was enhanced. Originality/value The results can be helpful in selecting the applicable corrosion inhibitors and targeted anti-corrosion measures for CO2-saturated oil/water corrosive environment.
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41

Cheng, Yuanpeng, Zili Li, Yalei Zhao, Yazhou Xu, Qianqian Liu i Yu Bai. "Effect of main controlling factor on the corrosion behaviour of API X65 pipeline steel in the CO2/oil/water environment". Anti-Corrosion Methods and Materials 64, nr 4 (5.06.2017): 371–79. http://dx.doi.org/10.1108/acmm-04-2016-1665.

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Purpose The purpose of this paper was to investigate the corrosion behaviour of API X65 pipeline steel in the simulated CO2/oil/water emulsion using weight loss technique, potentiodynamic polarization technique and characterization of the corroded surface techniques. Design/methodology/approach The weight loss analysis, electrochemical study and surface investigation were carried out on API X65 pipeline steel that had been immersed in the CO2/oil/water corrosive medium to understand the corrosion behaviour of gathering pipeline steel. The weight loss tests were carried out in a 3L autoclave, and effects of temperature, CO2 partial pressure, water cut and flow velocity on the CO2 corrosion rate of API X65 pipeline steel were studied. Electrochemical studies were carried out in a three-electrode electrochemical cell with the test temperature was 60°C, and the CO2 partial pressure was 1 atm by recording open circuit potential/time and potentiodynamic polarization characteristics. The surface and cross-sectional morphologies of corrosion product scales were characterized using scanning electron microscopy. The phases of corrosion product scales were investigated using X-ray diffraction. Findings The results showed that water cut was the main controlling factor of API X65 steel corrosion under the conditions of CO2/oil/water multiphase flow, and it had significant impact on corrosion morphology. In the case of higher water cut or pure water phase, general corrosion occurred on the steel surface. While water cut was below 70 per cent, corrosion morphology transformed into localized corrosion, crude oil decreased corrosion rate significantly and played a role of inhibitor. Crude oil hindered the corrosion scales from being dissolved by corrosive medium and changed dimension and accumulation pattern of the crystal grain, thickness and structure of the corrosion scales; thus, it influenced the corrosion rate. The primary corrosion product of API X65 steel was ferrous carbonate, which could act as a protective film at low water cut so that the corrosion rate can be reduced. Originality/value The results can be helpful in selecting the suitable corrosion inhibitors and targeted anti-corrosion measures for CO2/oil/water corrosive environment.
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Zhao, Pengxiong, Wei Wu, Zeyu Ma i Yong Dan. "In situ study on the effect of stress on corrosion behavior of AZ91 magnesium alloy". Anti-Corrosion Methods and Materials 69, nr 2 (10.02.2022): 204–13. http://dx.doi.org/10.1108/acmm-09-2021-2542.

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Purpose This paper aims to investigate the corrosion evolution process of AZ91 magnesium alloy in 3.5 wt.% NaCl solution under different stresses by using in situ methods, thereby evaluate the influence of stress on the corrosion sensitivity of AZ91 magnesium alloy, and discuss the potential mechanism. Design/methodology/approach A four-point bending method was used to apply different loads to the magnesium alloy samples, a charge coupled device camera and electrochemical impedance spectroscopy test being used for in situ study. Scanning electron microscopy and X-ray diffraction (XRD) analysis were performed for corrosion product and morphology characteristics. Findings The observation results show that the corrosion of AZ91 magnesium alloy becomes more and more serious with the increase in the stress and generated many corrosion products. Originally, corrosion products prevented alloy matrix from contacting the corrosive medium. However, the increase in the stress facilitated the emergence of the corrosion holes in the corrosion products, which provided the microscopic channels for corrosive solution to attack the Mg alloy matrix, and accelerated the corrosion of the magnesium alloy, resulting in a lot of corrosion pits on the magnesium alloy surface under the corrosion product layer. Originality/value The evolution information of corrosion process is crucial to explore the mechanism of corrosion. Currently, most researches about corrosion of magnesium alloy used traditional testing techniques to obtain corrosion information, lacking the direct tracking and monitoring of the corrosion evolution process. Hence, this paper focuses on in situ corrosion study of AZ91 magnesium alloy. The technology with spatial resolution capability observed the changes in magnesium alloy surface at different times in the corrosion process in situ. Meanwhile, the in situ electrochemical technology was used to monitor the changes in micro-electrochemical signals during the corrosion process of magnesium alloy under different stresses.
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Kou, Jie, Dongxu Ma i Le Yang. "Experimental study on corrosion of 20# steel in oil-water stratified liquids based on wire beam electrode technique". Anti-Corrosion Methods and Materials 69, nr 3 (25.02.2022): 234–44. http://dx.doi.org/10.1108/acmm-11-2021-2572.

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Purpose Oil-water two-phase flow is the most prevalent medium in oil field gathering pipelines, and the corrosion of pipelines is often highly localized. Therefore, the purpose of this paper is to investigate the corrosion behavior of 20# pipeline steel in the oil-water stratified liquids, vary the water content of the upper emulsion and study the difference of the corrosion process. Design/methodology/approach Combine the wire beam electrodes (WBE) technique and the corrosion weight loss method to investigate the corrosion behavior of 20# steel in produced water simulation fluid and oil-water stratified liquids, and a corrosion mechanism model was established for analysis and explanation. Findings The results of mass loss experiments showed that the average corrosion rate increased with the increase in the water content of the upper emulsion. The corrosion current distribution maps indicated that the most serious corrosion occurred in the produced water simulation liquid, and the corrosion process showed the law of waterline corrosion. In addition, it was also found that the corrosion of the WBE in the stratified liquids had obvious non-uniformities. The electrode wires at the oil-water interface suffered from severe corrosion, caused by the dissolution of crude oil acids in water and the uneven distribution of oxygen in the corrosive medium. Originality/value The WBE technique provides a deep insight into the corrosion phenomena at the oil-water interface, which is helpful for characterization of the non-uniformity of corrosion parameters and evaluating the risks of multiphase corrosive media.
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Faes, Willem, Steven Lecompte, Zaaquib Yunus Ahmed, Johan Van Bael, Robbe Salenbien, Kim Verbeken i Michel De Paepe. "Corrosion and corrosion prevention in heat exchangers". Corrosion Reviews 37, nr 2 (26.03.2019): 131–55. http://dx.doi.org/10.1515/corrrev-2018-0054.

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AbstractIn many industries and processes, heat exchangers are of vital importance as they are used to transfer heat from one fluid to another. These fluids can be corrosive to heat exchangers, which are usually made of metallic materials. This paper illustrates that corrosion is an important problem in the operation of heat exchangers in many environments, for which no straightforward answer exists. Corrosion failures of heat exchangers are common, and corrosion often involves high maintenance or repair costs. In this review, an overview is given of what is known on corrosion in heat exchangers. The different types of corrosion encountered in heat exchangers and the susceptible places in the devices are discussed first. This is combined with an overview of failure analyses for each type of corrosion. Next, the effect of heat transfer on corrosion and the influence of corrosion on the thermohydraulic performances are discussed. Finally, the prevention and control of corrosion is tackled. Prevention goes from general design considerations and operation guidelines to the use of cathodic and anodic protection.
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Cheng, Yuanpeng, Yu Bai, Zili Li i JianGuo Liu. "The corrosion behavior of X65 steel in CO2/oil/water environment of gathering pipeline". Anti-Corrosion Methods and Materials 66, nr 2 (21.02.2019): 174–87. http://dx.doi.org/10.1108/acmm-07-2018-1969.

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Purpose The purpose of this paper was to investigate the corrosion behavior of X65 steel in the CO2/oil/water environment using mass loss method, potentiodynamic polarization technique and characterization of the corroded surface techniques. Design/methodology/approach The weight loss analysis, electrochemical study and surface investigation were carried out on X65 steel that had been immersed in the CO2/oil/water corrosive medium to understand the corrosion behavior of gathering pipeline steel. The weight loss tests were carried out in a 3L autoclave, and effects of flow velocity, CO2 partial pressure and water cut on the CO2 corrosion rate of X65 steel were studied. Electrochemical studies were carried out in a three-electrode electrochemical cell with the test temperature of 60°C and CO2 partial pressure of 1 atm by recording open circuit potential/time and potentiodynamic polarization characteristics. The surface and cross-sectional morphologies of corrosion product scales were characterized using scanning electron microscopy. The phases of corrosion product scales were investigated using X-ray diffraction. Findings The results showed that corrosion rates of X65 steel both increased at first and then decreased with the increase of flow velocity and CO2 partial pressure, and there were critical velocity and critical pressure in the simulated corrosive environment, below the critical value, the corrosion products formed on the steel surface were loose, porous and unstable, higher than the critical value, the corrosion product ?lms were dense, strong adhesion, and had a certain protective effect. Meanwhile, when the flow velocity exceeded the critical value, oil film could be adsorbed on the steel surface more evenly, corrosion reaction active points were reduced and the steel matrix was protected from being corroded and crude oil played a role of inhibitor, thus it influenced the corrosion rate. Above the critical CO2 partial pressure, the solubility of CO2 in crude oil increased, the viscosity of crude oil decreased and its fluidity became better, so that the probability of oil film adsorption increased, these factors led to the corrosion inhibition of X65 steel reinforced. The corrosion characteristics of gathering pipeline steel in the corrosive environment containing CO2 would change due to the presence of crude oil. Originality/value The results can be helpful in selecting the suitable corrosion inhibitors and targeted anti-corrosion measures for CO2/oil/water corrosive environment.
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Murtazaev, E. M., E. S. Nabiyev, Sh A. Berdiyev, Sh P. Sharipov, A. Q. Karimov i F. X. Boymuratov. "Analysis of the effect of heat and corrosion on the mechanical properties of metal structures". E3S Web of Conferences 410 (2023): 02053. http://dx.doi.org/10.1051/e3sconf/202341002053.

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The main content of this article is the reduction of safety problems and risks in civil engineering from the point of view of science in civil engineering. The technology of protecting buildings and structures from corrosion and thermal effects on metal structures requires an increase in the corrosion resistance of structures.
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Yang, Na, Qin Liao, Qing Li, Peng Zhang i Longqin Li. "Simple and easy-operated method for filtering eco-friendly corrosion inhibitors". Anti-Corrosion Methods and Materials 63, nr 2 (7.03.2016): 73–81. http://dx.doi.org/10.1108/acmm-07-2014-1406.

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Purpose – The purpose of this paper was to find a simple and easy-operated method for filtering eco-friendly corrosion inhibitors. Design/methodology/approach – The molecular structures and atomic electronegativities of the four kinds of natural reagents, iota-Carrageenan, sodium alginate, sodium dodecanesulphonate (SDS) and sodium dodecylbenzene sulfonate were calculated by Gaussian and Natural Bond Orbital, and the corrosion inhibition rates were forecasted by the calculated results. Then, the realistic corrosion inhibition efficiency were confirmed by electrochemical impedance spectroscopy and potentiodynamic polarization tests in 3.5 Wt.% sodium chloride corrosive solutions. At the same time, the function of pefloxacin mesylate (PM) was explored in this paper polarization tests in 3.5 Wt.% sodium chloride corrosive solutions. Findings – Results showed that the order calculated by the chemical software was correct, and the corrosion inhibition of SDS was the best. Optimum addition of PM not only can reduce microbial corrosion but also can improve the corrosion inhibition by spatial cooperation. Practical implications – This method can be used to filter eco-friendly corrosion inhibitors quickly. PM can be also used to improve the corrosion inhibition rate of corrosion inhibitors. Originality/value – The present method to filter corrosion inhibitors was time-consuming, which needed lots of experiments to verify the corrosion inhibitive efficiency. The calculated method was simpler than others, which need complicated calculation process.
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Cai, Yikun, Yuanming Xu, Yu Zhao i Xiaobing Ma. "Atmospheric corrosion prediction: a review". Corrosion Reviews 38, nr 4 (27.08.2020): 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 and it is accurate for short-term corrosion process. As for the long-term corrosion process, the general linear models are more appropriate as they consider the protective effect of the corrosion products. Most corrosion effect models correlate the environmental variables, which are characterized by the annual average value in most cases, with corrosion parameters by linear equations which is known as the dose-response function. Apart from these conventional methods, some mathematical and numerical methods are also appropriate for corrosion prediction. The corrosive environment can be described by statistical distributions, time-varying functions and even geographic information system (GIS), while the corrosion effect can be captured via response surface models and statistical learning methods.
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Sharma, Ana. "A Bibliometric Analysis and Visualisation of Research Trends in Corrosion of Orthopaedic Implants". Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, nr 2 (11.04.2021): 27–32. http://dx.doi.org/10.17762/turcomat.v12i2.671.

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Several metals are used for orthopaedic implants. The bibliometric analysis had been conducted to understand the active authors, organizations, journals, and countries involved in the research domain of “corrosion of orthopaedic implants”. All published articles related to “corrosion of orthopaedic implants” from “Scopus”, were analyzed using the VOS viewer to develop analysis tables and visualization maps. This article had set the objective to consolidate the scientific literature regarding “corrosion of orthopaedic implants” and also to find out the trends related to the same. The most active journals in this research domain were Material Science and Engineering, Biomaterials and Acta Biomaterialia. The most active country was the United States of America. The leading organization engaged in research regarding corrosion of orthopaedic implants was the Chinese Academy of Sciences, China. The most active authors were Zhang X., Jacobs J.J. and Zhang Y.
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Marks, L., H. Lu, T. Chambers, S. Finkenstaedt-Quinn i R. S. Goldman. "Writing-to-learn in introductory materials science and engineering". MRS Communications 12, nr 1 (1.01.2022): 1–11. http://dx.doi.org/10.1557/s43579-021-00114-z.

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AbstractWe examine the impact of writing-to-learn (WTL) on promoting conceptual understanding of introductory materials science and engineering, including crystal structures, stress–strain behavior, phase diagrams, and corrosion. We use an analysis of writing products in comparison with pre/post concept-inventory-style assessments. For all topics, statistically significant improvements between draft and revision scores are apparent. For the stress–strain and phase diagram WTL assignments that require synthesis of qualitative data into quantitative formats, while emphasizing microstructure-properties correlations, the highest WTL effect sizes and medium-to-high gains on corresponding assessments are observed. We present these findings and suggest strategies for future WTL design and implementation. Graphic abstract
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