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The Impact of Temperature on CO2 Corrosion and the Formation of Corrosion Product Film 温度对二氧化碳腐蚀和腐蚀产物膜形成的影响
IF 1.6 4区 材料科学
Corrosion Pub Date : 2024-03-28 DOI: 10.5006/4529
Kaiyuan Zhai, Ling Guo, Ning Zhu, Jiayi Tang, Liusi Yu, Hu Wang, Juan Xie
{"title":"The Impact of Temperature on CO2 Corrosion and the Formation of Corrosion Product Film","authors":"Kaiyuan Zhai, Ling Guo, Ning Zhu, Jiayi Tang, Liusi Yu, Hu Wang, Juan Xie","doi":"10.5006/4529","DOIUrl":"https://doi.org/10.5006/4529","url":null,"abstract":"\u0000 The impact of temperature on CO2 corrosion were investigated by weight loss, in situ electrochemical measurements and characterization of corrosion product film. The results showed that with the increase of temperature, corrosion rate decreased remarkably, which can be ascribed to different product film formed on metal surface. As the temperature increased, the growth tendency of FeCO3 crystals on the (012) plane becomes more pronounced, ultimately forming a dense film. Synchrotron based computed laminography (SRCL) analysis proved the porosity of products decreased with the rising of temperature. The relationship between microstructure of product film and corrosion rate had also been proposed.","PeriodicalId":10717,"journal":{"name":"Corrosion","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140372647","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Research on Pitting Corrosion of Micro-alloyed High Strength Steel Bars 微合金高强度钢棒的点腐蚀研究
IF 1.6 4区 材料科学
Corrosion Pub Date : 2024-03-21 DOI: 10.5006/4479
QingLong Wu, Shangjun Gu, Jie Wang, Fulong Wei, Zhiying Li, Hui Yang, Changrong Li
{"title":"Research on Pitting Corrosion of Micro-alloyed High Strength Steel Bars","authors":"QingLong Wu, Shangjun Gu, Jie Wang, Fulong Wei, Zhiying Li, Hui Yang, Changrong Li","doi":"10.5006/4479","DOIUrl":"https://doi.org/10.5006/4479","url":null,"abstract":"\u0000 In this study, a series of soaking experiments were conducted in simulated marine environment solution to explore the pitting corrosion behavior induced by four types of inclusions in micro-alloyed steel bars: Al2O3, MnS, Al2O3-(Ti,V,Nb)N and Al2O3-MnS-(Ti,V,Nb)N. In the early stage of corrosion, due to the high-density lattice distortion zone around the MnS and Al2O3 inclusions, along with the fact that these inclusions are not closely connected with the steel matrix, micro-cracks can occur leading to the initial corrosion of MnS in the Cl- environment. The corrosion rate of Al2O3 is the second highest after MnS, and clusters of Al2O3 can further accelerate the corrosion rate. The lattice distortion density around (Ti, V, Nb)N precipitates is significantly lower than that around MnS and Al2O3 inclusions. Additionally, (Ti, V, Nb)N is closely connected with the steel matrix without any micro-voids. Therefore, (Ti, V, Nb)N is not sufficient to induce pitting corrosion of the matrix. The trend of pitting corrosion induced by the four types of inclusions, Al2O3, MnS, Al2O3-(Ti,V,Nb)N, and Al2O3-MnS-(Ti,V,Nb)N, is as follows: MnS > Al2O3> Al2O3-MnS-(Ti,V,Nb)N > Al2O3-(Ti,V,Nb)N.","PeriodicalId":10717,"journal":{"name":"Corrosion","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140223874","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Modeling Direct-Current Interference on Pipelines with Zero Potential at Infinity Through Electric Field Decomposition 通过电场分解模拟无穷远零电位管道上的直流干扰
IF 1.6 4区 材料科学
Corrosion Pub Date : 2024-03-12 DOI: 10.5006/4466
Liang Dong, Yan Shen, Tiansiyu Gan
{"title":"Modeling Direct-Current Interference on Pipelines with Zero Potential at Infinity Through Electric Field Decomposition","authors":"Liang Dong, Yan Shen, Tiansiyu Gan","doi":"10.5006/4466","DOIUrl":"https://doi.org/10.5006/4466","url":null,"abstract":"\u0000 Oil and gas pipelines are susceptible to direct current interference from nearby third-party cathodic protection or direct current transmission systems. This paper proposes a new method for analyzing direct current interference and its mitigation measures. The proposed method is based on the boundary element method of analyzing cathodic protection systems and direct current interference. Infinity is used as the zero-potential point instead of the pipeline itself. The soil potential near the structure is divided into the cathode electric field, the anode electric field, and the electric field generated by direct current interference. The proposed method was validated to be effective for modeling these electric fields. The results indicate that interference shifts the pipeline’s body potential positively or negatively compared with that in its normal cathode state. The interference was categorized on the basis of whether it was generated by the anode or cathode electric field, and mitigation measures were designed for each type of interference through electric field cancellation.","PeriodicalId":10717,"journal":{"name":"Corrosion","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140250456","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
“Exploring the Inhibitory Potential of Acetoxime-Zinc Chloride Adduct in Saline Environments for Mild Steel Corrosion Protection” "探索乙酰氧基肟-氯化锌加合物在盐碱环境中保护低碳钢腐蚀的抑制潜力"
IF 1.6 4区 材料科学
Corrosion Pub Date : 2024-03-12 DOI: 10.5006/4398
S. K. Ola, Ishita Chopra, S. Gopalakrishnan, Veena Dhayal
{"title":"“Exploring the Inhibitory Potential of Acetoxime-Zinc Chloride Adduct in Saline Environments for Mild Steel Corrosion Protection”","authors":"S. K. Ola, Ishita Chopra, S. Gopalakrishnan, Veena Dhayal","doi":"10.5006/4398","DOIUrl":"https://doi.org/10.5006/4398","url":null,"abstract":"\u0000 In this work, acetoxime, zinc chloride and acetoxime adduct of zinc chloride, [ZnCl2.2{HON=C(CH3)2}] (ZA) were investigated as corrosion inhibitor's in 3.5%NaCl solution on mild steel. The electrochemical analysis was carried out using polarization measurements and electrochemical impedance technique and surface analysis was done by Scanning electron microscope coupled with Energy-dispersive X-ray spectroscopy. Using surface analysis and electrochemical data it was concluded that an inhibition synergy was developed when ZA was taken instead of acetoxime or zinc chloride alone in solution phase. Scanning electron microscope methods were used to examine the samples surface in the presence of inhibited solutions. The efficiency of inhibition increases with the increasing concentration and attained the values of 97.18% for the 3mM concentration of ZA.","PeriodicalId":10717,"journal":{"name":"Corrosion","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140250894","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Combining Thermodynamics and Kinetics to Investigate the Corrosion of 3Cr Steel and HP-13Cr Stainless Steel in Extreme Oil-Gas Environments 结合热力学和动力学研究 3Cr 钢和 HP-13Cr 不锈钢在极端油气环境中的腐蚀情况
IF 1.6 4区 材料科学
Corrosion Pub Date : 2024-03-12 DOI: 10.5006/4490
Hao Xue, Yang Zhao, Tao Zhang, Fuhui Wang
{"title":"Combining Thermodynamics and Kinetics to Investigate the Corrosion of 3Cr Steel and HP-13Cr Stainless Steel in Extreme Oil-Gas Environments","authors":"Hao Xue, Yang Zhao, Tao Zhang, Fuhui Wang","doi":"10.5006/4490","DOIUrl":"https://doi.org/10.5006/4490","url":null,"abstract":"\u0000 The corrosion behavior of 3Cr steel and HP-13Cr stainless steel (SS) under high temperature and CO2 or H2S pressure environments was investigated by immersion tests and multiple characterizations of corrosion films, and analyzed by combining the Pourbaix diagram and kinetic calculations. At 180 °C/3.8 MPa CO2, both 3Cr steel and HP-13Cr SS exhibited double-layered corrosion films, comprising a crystalline FeCO3 outer layer and an inner Cr2O3 and Cr(OH)3 layer. Furthermore, at 180 °C/3.8 MPa H2S, the corrosion films of both steels consist of an outer crystalline pyrrhotite and pyrite layer and an inner Cr2O3 and Cr(OH)3 layer. The corrosion resistance of 3Cr in H2S is inferior to that of HP-13Cr SS due to the influence of stress corrosion cracking but is close to that of HP-13Cr SS in CO2. Therefore, 3Cr steel could be considered a cost-effective alternative to HP-13Cr SS in CO2 environments.","PeriodicalId":10717,"journal":{"name":"Corrosion","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140248722","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Investigation of iron dissolution mechanism in acidic solutions with and without dissolved CO2 – Part II: ToF-SIMS 3D mapping 有二氧化碳溶解和无二氧化碳溶解的酸性溶液中铁溶解机理的研究--第二部分：ToF-SIMS 三维制图
IF 1.6 4区 材料科学
Corrosion Pub Date : 2024-02-28 DOI: 10.5006/4512
Luntao Wang, Huiru Wang, N. Moradighadi, A. Seyeux, Alain Pailleret, S. Nešić, Philippe Marcus
{"title":"Investigation of iron dissolution mechanism in acidic solutions with and without dissolved CO2 – Part II: ToF-SIMS 3D mapping","authors":"Luntao Wang, Huiru Wang, N. Moradighadi, A. Seyeux, Alain Pailleret, S. Nešić, Philippe Marcus","doi":"10.5006/4512","DOIUrl":"https://doi.org/10.5006/4512","url":null,"abstract":"\u0000 ToF-SIMS 3D mapping and depth profiling were used to study the anodic iron dissolution mechanisms of mild steel in chloride containing aqueous CO2 environments. The technique detected adsorbed hydroxide and chloride intermediates formed duringthe corrosion process, which is consistent with the proposed multi-path reaction mechanism for anodic iron dissolution reaction. Despite the presence of aqueous carbonic species and their observed effect on the kinetics of iron dissolution, no additional adsorbed intermediates have been detected in aqueous CO2 environments, indicating that carbonic species do not directly participate in the iron dissolution reaction. ToF-SIMS 3D mapping results on characterization of the specimens immersed in a chloride containing solution with and without CO2 suggest that one role of aqueous carbonic species CO2 could be to accelerate the adsorption of chloride ions and formation of chloride intermediates.","PeriodicalId":10717,"journal":{"name":"Corrosion","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140423020","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of Tri-Metallic Micro-galvanic Corrosion on Localized Corrosion Based on Numerical Simulation: Geometric Effect of Intermetallic Compounds 基于数值模拟的三金属微电蚀作用对局部腐蚀的影响：金属间化合物的几何效应
IF 1.6 4区 材料科学
Corrosion Pub Date : 2024-02-28 DOI: 10.5006/4377
Woo-Hyuk Lee, Geon-il Kim, Myeong-Cheol Kim, S. Ko, Yoon-Ho Lee, Ju-Seung Song, Jung-Gu Kim
{"title":"Effect of Tri-Metallic Micro-galvanic Corrosion on Localized Corrosion Based on Numerical Simulation: Geometric Effect of Intermetallic Compounds","authors":"Woo-Hyuk Lee, Geon-il Kim, Myeong-Cheol Kim, S. Ko, Yoon-Ho Lee, Ju-Seung Song, Jung-Gu Kim","doi":"10.5006/4377","DOIUrl":"https://doi.org/10.5006/4377","url":null,"abstract":"\u0000 This study investigated the corrosion behavior of ADC12 and A365 aluminum alloys for automotive parts in the context of the growing use of aluminum parts in electric vehicles. Only ADC12 exhibited the formation of Al(OH)3 particle layer after corrosion, which was attributed to the micro-galvanic effect influenced by the geometry characteristics of its microstructure. Results revealed that ADC12 was prone to the formation of Al(OH)3 particle layers due to the geometric effects of Si and θ-Al2Cu, which facilitates the isolation of α-Al. The distribution of band-shaped galvanic currents, concentrated in a small α-Al matrix region, was primarily governed by the geometry of Si, creating a preferred structure for α-Al isolation. Additionally, the geometry of θ-Al2Cu contributed to a significant increase in electrochemical kinetics, particularly at the tri-metallic coupled region, further enhancing the susceptibility of the isolation. As a result, the formation of the Al(OH)3 particle layer was attributed to the corrosion of isolated α-Al particles, generated through the synergistic effect of micro-galvanic corrosion. Moreover, the corrosion attack progressed along the eutectic Si network, accompanied by θ-Al2Cu. Overall, the corrosion mechanism of ADC12 and A365 alloy was proposed.","PeriodicalId":10717,"journal":{"name":"Corrosion","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140420571","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Long-Term Performance of Reference Electrodes in Alkaline Radioactive Waste Storage Environments 碱性放射性废物贮存环境中基准电极的长期性能
IF 1.6 4区 材料科学
Corrosion Pub Date : 2024-02-28 DOI: 10.5006/4520
S. Chawla, Kenneth Evans, Sheewa Feng, N. Sridhar
{"title":"Long-Term Performance of Reference Electrodes in Alkaline Radioactive Waste Storage Environments","authors":"S. Chawla, Kenneth Evans, Sheewa Feng, N. Sridhar","doi":"10.5006/4520","DOIUrl":"https://doi.org/10.5006/4520","url":null,"abstract":"\u0000 Accurate measurements of corrosion potential are important for assessing the likelihood of internal localized corrosion and stress corrosion cracking (SCC) of carbon steel tanks used for storing radioactive wastes. Reference electrodes in underground radioactive waste storage tanks are challenging to deploy, and more difficult to extract and replace frequently due to radiological exposure and disposal constraints. Hence, electrodes that exhibit stable performance over long periods of immersion in these waste environments are desirable. The present study evaluates the stability of reference electrodes used in radioactive waste storage tanks over a much longer period than previously studied. Long-term tests of Ag/AgCl and Hg/HgO reference electrodes were performed in nonradioactive simulants formulated from wastes stored at the Hanford site. Electrode degradation, which was studied by a variety of in-situ and ex-situ evaluation techniques, was correlated to changes in electrode fill chemistry from waste intrusion via the porous frit junction. An intentional contamination study was performed to better understand and predict contamination effects on electrode potential drift.","PeriodicalId":10717,"journal":{"name":"Corrosion","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140423237","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of bias voltage on the microstructure and LBE corrosion resistance of the FeCrAlY coating 偏压对 FeCrAlY 涂层微观结构和 LBE 耐腐蚀性的影响
IF 1.6 4区 材料科学
Corrosion Pub Date : 2024-02-22 DOI: 10.5006/4509
Wei Zhang, Mingyang Zhou, Yuanjie Fu, Xi Qiu, Jijun Yang
{"title":"Effect of bias voltage on the microstructure and LBE corrosion resistance of the FeCrAlY coating","authors":"Wei Zhang, Mingyang Zhou, Yuanjie Fu, Xi Qiu, Jijun Yang","doi":"10.5006/4509","DOIUrl":"https://doi.org/10.5006/4509","url":null,"abstract":"\u0000 FeCrAlY coatings deposited on the outer surface of the cladding tube by the magnetron sputtering with varying bias voltages (0 V to -500 V) were corroded at 550 – 600 °C in oxygen-saturated and oxygen-poor LBE for 500 – 1000 h. The increased bias voltage led to the Al content decreased and the Y content increased. The coating changed from columnar crystals to equiaxed crystals with the increase of bias voltage. The decreased bias voltage makes an improved corrosion resistance. The fundamental process governing the evolution of microstructure and corrosion resistance in the FeCrAlY coatings was discussed.","PeriodicalId":10717,"journal":{"name":"Corrosion","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-02-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140439342","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Influence of the interaction of hydrogen with the phase boundary of duplex stainless steel on corrosion 氢与双相不锈钢相界的相互作用对腐蚀的影响
IF 1.6 4区 材料科学
Corrosion Pub Date : 2024-02-22 DOI: 10.5006/4519
Houwei Zhang, Qing Zheng, Dengyun Wang, Ming Liu, Gang Li, Lining Xu, Lijie Qiao
{"title":"Influence of the interaction of hydrogen with the phase boundary of duplex stainless steel on corrosion","authors":"Houwei Zhang, Qing Zheng, Dengyun Wang, Ming Liu, Gang Li, Lining Xu, Lijie Qiao","doi":"10.5006/4519","DOIUrl":"https://doi.org/10.5006/4519","url":null,"abstract":"\u0000 This study simulates the behavior of 2205 duplex stainless steel in an actual service environment under hydrogen charging/releasing cycles. Electrochemical and immersion experiments are conducted to compare the pitting susceptibility and corrosion behavior of 2205 DSS under single hydrogen charging and several hydrogen charging/releasing cycles. The results reveal that under single hydrogen charging, pits preferentially initiate and propagate within the austenite phase; this finding is consistent with the results of previous studies. However, under cyclic hydrogen charging/releasing cycles, pits initiate at the phase boundary and propagate along it. Moreover, a hydrogen microprint technique is used to characterize the hydrogen enrichment sites in 2205 duplex stainless steel. The results demonstrate that pits preferentially initiate at the same hydrogen enrichment sites. The study creates a schematic of hydrogen redistribution and hypothesizes that under actual service conditions, the phase boundary, rather than the austenite phase, is the primary site for pitting corrosion because of its transformation into a hydrogen enrichment site from a hydrogen trap.","PeriodicalId":10717,"journal":{"name":"Corrosion","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-02-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140440419","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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