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International Journal of Corrosion最新文献

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Wet Oxidation Behavior of Near-Stoichiometric SiC Fibres in the Simulated Aeroengine Circumstance 近化学计量SiC纤维在模拟航空发动机环境中的湿氧化行为
IF 3.1
International Journal of Corrosion Pub Date : 2018-08-01 DOI: 10.1155/2018/4319354
Liangyu Li, K. Jian, Xianhe Mao, Yifei Wang
{"title":"Wet Oxidation Behavior of Near-Stoichiometric SiC Fibres in the Simulated Aeroengine Circumstance","authors":"Liangyu Li, K. Jian, Xianhe Mao, Yifei Wang","doi":"10.1155/2018/4319354","DOIUrl":"https://doi.org/10.1155/2018/4319354","url":null,"abstract":"The precursor-derived and near-stoichiometric SiC fibres (KD-S) were exposed at 1000–1500°C for 1 h in the simulated aeroengine circumstance of PH2O:O2:Ar = 14:8:78 KPa with the gas rate of 200 ml/min. The results indicated that the oxidized KD-S fibres were covered by silica layer. The oxygen content, grain size of silica, and oxide layer thickness increased, whereas the tensile strength decreased with rising annealing temperature. KD-S fibres treated under simulated aeroengine circumstances showed larger SiO2 grain size, thicker silica layer, and better residual strength than those annealed in dry air. The steam could accelerate the oxidation on KD-S fibres by reducing the active energy. The influence of water vapour on the oxidation behavior of KD-S SiC fibres was investigated and discussed as well.","PeriodicalId":13893,"journal":{"name":"International Journal of Corrosion","volume":null,"pages":null},"PeriodicalIF":3.1,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/2018/4319354","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48034265","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synergistic Effect of Carbamide and Sulfate Reducing Bacteria on Corrosion Behavior of Carbon Steel in Soil 尿素和硫酸盐还原菌对土壤中碳钢腐蚀行为的协同作用
IF 3.1
International Journal of Corrosion Pub Date : 2018-08-01 DOI: 10.1155/2018/7491501
Ximing Li, Cheng Sun
{"title":"Synergistic Effect of Carbamide and Sulfate Reducing Bacteria on Corrosion Behavior of Carbon Steel in Soil","authors":"Ximing Li, Cheng Sun","doi":"10.1155/2018/7491501","DOIUrl":"https://doi.org/10.1155/2018/7491501","url":null,"abstract":"Synergistic effect of carbamide and sulfate reducing bacteria (SRB) on corrosion behavior of carbon steel was studied in soils with moisture of 20% and 30%, by soil properties measurement, weight loss, polarization curve, and electrochemical impedance spectroscopy. The results show that carbamide decreased the soil redox potential and increased soil pH. In soil without SRB, carbamide made corrosion potential of Q235 steel much more positive and then inhibited corrosion. Meanwhile, in soil with SRB, 0.5 wt% carbamide restrained SRB growth and inhibited biocorrosion of Q235 steel. Corrosion rate of carbon steel decreased in soil with 30% moisture compared with that with 20% moisture.","PeriodicalId":13893,"journal":{"name":"International Journal of Corrosion","volume":null,"pages":null},"PeriodicalIF":3.1,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/2018/7491501","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46752223","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Corrigendum to “Application of a New Method in Identifying the Sludge Deposits from Refineries and Gas Plants: A Case of Laboratory-Based Study” 更正“一种新方法在识别炼油厂和天然气厂污泥沉积物中的应用：以实验室为基础的研究为例”
IF 3.1
International Journal of Corrosion Pub Date : 2018-08-01 DOI: 10.1155/2018/8646104
H. Sitepu, Rasha A. Al-Ghamdi, S. R. Zaidi
{"title":"Corrigendum to “Application of a New Method in Identifying the Sludge Deposits from Refineries and Gas Plants: A Case of Laboratory-Based Study”","authors":"H. Sitepu, Rasha A. Al-Ghamdi, S. R. Zaidi","doi":"10.1155/2018/8646104","DOIUrl":"https://doi.org/10.1155/2018/8646104","url":null,"abstract":"In the article entitled “Application of a New Method in Identifying the Sludge Deposits from Refineries and Gas Plants: A Case of Laboratory-Based Study” [1], Rasha A. AlGhamdi was missing from the authors’ list. Rasha A. AlGhamdi performed the separation of the inorganic materials part (non-hydrocarbon) from the hydrocarbon part for the complex sample such as sludge deposit collected from theNG line, where the methylene chloride was insoluble. Rasha A. Al-Ghamdi also conducted the materials characterization of hydrocarbon parts using both the thermal gravimetric analysis and gas chromatography mass spectrometry techniques. Additionally, Rasha A. Al-Ghamdi interpreted the results, e.g., type of hydrocarbon (i.e., hydrocarbon type was diesel with the C10–C27) and the amount of inorganic compound, water, and hydrocarbon content (3 wt% of inorganic compound, 25wt% of water, and 72wt% of hydrocarbon content). The corrected authors’ list is shown above.","PeriodicalId":13893,"journal":{"name":"International Journal of Corrosion","volume":null,"pages":null},"PeriodicalIF":3.1,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/2018/8646104","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44979573","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Experimental and Runge–Kutta Method Simulation to Investigate Corrosion Kinetics of Mild Steel in Sulfuric Acid Solutions 试验和龙格-库塔法模拟研究低碳钢在硫酸溶液中的腐蚀动力学
IF 3.1
International Journal of Corrosion Pub Date : 2018-07-08 DOI: 10.1155/2018/9087101
I. Alwaan
{"title":"Experimental and Runge–Kutta Method Simulation to Investigate Corrosion Kinetics of Mild Steel in Sulfuric Acid Solutions","authors":"I. Alwaan","doi":"10.1155/2018/9087101","DOIUrl":"https://doi.org/10.1155/2018/9087101","url":null,"abstract":"The mild steel is extensively used in different industrial applications and the biggest problem in the application of mild steel is corrosion. In this work, the reaction kinetics of mild steel with sulfuric acid at different concentrations and at different temperatures were studied in combination with the experimental data and theoretical approach using the Runge–Kutta method. The results revealed that the rate of reaction constant for temperatures in the range of 30–50°C was changed from 2618 to 2793 L3/mol3.h, respectively. The order of reaction of mild steel was 4th order in all temperature ranges. The enthalpy, entropy, and Gibbs free energy of mild steel reaction at a temperature of 298 K were estimated. The activation energy (E/R) of the reaction was 4.829 K. It was concluded that the sulfuric acid reaction with mild steel occurred easily and the inhibitors should be used in these systems.","PeriodicalId":13893,"journal":{"name":"International Journal of Corrosion","volume":null,"pages":null},"PeriodicalIF":3.1,"publicationDate":"2018-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/2018/9087101","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46272185","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Corrosion Behavior of Welded Joint of Q690 with CMT Twin Q690与CMT孪晶焊接接头的腐蚀行为
IF 3.1
International Journal of Corrosion Pub Date : 2018-07-04 DOI: 10.1155/2018/2368717
Peng Liu, Shanguo Han, Y. Yi, Cuixia Yan
{"title":"Corrosion Behavior of Welded Joint of Q690 with CMT Twin","authors":"Peng Liu, Shanguo Han, Y. Yi, Cuixia Yan","doi":"10.1155/2018/2368717","DOIUrl":"https://doi.org/10.1155/2018/2368717","url":null,"abstract":"Low alloy steel of Q690 was welded with the method of CMT Twin. The corrosion behavior of welded joint had been investigated using scanning vibrating electrode technique (SVET) in 3.5% NaCl solution. The research results showed that the appearance of the troostite increased the hardness of the heat affected zone. Furthermore, the corrosion products of different microstructure were identical, and the white products (Fe(OH)2) of welded joint turned into products of rufous (Fe(OH)3). The quantitative information provided by SVET was discussed, and the corrosion degree was measured by some parameters. In comparison with other areas, the corrosion rates of the overheated zone and the base metal were higher. Then, the corrosion resistance of the weld zone with CMT Twin was greatly improved, when compared with that of the base metal. Therefore, Ni has significant influence on corrosion resistance of weld zone. In summary, it can be discovered that the corrosion rates of various zones were related to the welding heat input.","PeriodicalId":13893,"journal":{"name":"International Journal of Corrosion","volume":null,"pages":null},"PeriodicalIF":3.1,"publicationDate":"2018-07-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/2018/2368717","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45779845","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Improvement of Corrosion Behavior of Nanostructured Ni Coating by Jet Electrodeposition and Laser Remelting 喷射电沉积和激光重熔改善纳米Ni涂层的腐蚀行为
IF 3.1
International Journal of Corrosion Pub Date : 2018-07-02 DOI: 10.1155/2018/2786429
H. Fan, Yangpei Zhao, Shankui Wang
{"title":"Improvement of Corrosion Behavior of Nanostructured Ni Coating by Jet Electrodeposition and Laser Remelting","authors":"H. Fan, Yangpei Zhao, Shankui Wang","doi":"10.1155/2018/2786429","DOIUrl":"https://doi.org/10.1155/2018/2786429","url":null,"abstract":"An effective method to improve corrosion resistance for the nickel coating on the stainless steel(1Cr18Ni9) is described. The nickel coating was predeposited on the 1Cr18Ni9 by using the jet electrodeposition technology. Then the laser remelting was conducted on the predeposited Ni coating in order to strengthen the coating’s microstructure and the interface between the substrate and the Ni coating. The experimental results revealed that, at current density of 40 A/dm2, the deposited coating had the optimal corrosion resistance because of refined grains and dense interior-structure. After laser remelting, the bonding state between the coating and substrate evolved to a new metallurgical combination from originally mechanical combination. The corrosion rate comparison indicated that Ni coating with compound process of jet electrodeposition and laser remelting had higher corrosion resistance compared with bare 1Cr18Ni9 as well as jet electrodeposited Ni coating.","PeriodicalId":13893,"journal":{"name":"International Journal of Corrosion","volume":null,"pages":null},"PeriodicalIF":3.1,"publicationDate":"2018-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/2018/2786429","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44526606","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Experimental and Theoretical Studies on the Corrosion Inhibition of Brass in Hydrochloric Acid by N-(4-((4-Benzhydryl Piperazin-1-yl) Methyl Carbamoyl) Phenyl) Furan-2-Carboxamide N-（4-（（4-苄基哌嗪-1-基）甲基氨基）苯基）呋喃-2-甲酰胺对黄铜在盐酸中缓蚀作用的实验与理论研究
IF 3.1
International Journal of Corrosion Pub Date : 2018-07-02 DOI: 10.1155/2018/9372804
N. Zulfareen, T. Venugopal, K. Kannan
{"title":"Experimental and Theoretical Studies on the Corrosion Inhibition of Brass in Hydrochloric Acid by N-(4-((4-Benzhydryl Piperazin-1-yl) Methyl Carbamoyl) Phenyl) Furan-2-Carboxamide","authors":"N. Zulfareen, T. Venugopal, K. Kannan","doi":"10.1155/2018/9372804","DOIUrl":"https://doi.org/10.1155/2018/9372804","url":null,"abstract":"The corrosion inhibition effect of N-(4-((4-Benzhydryl piperazin-1-yl) methyl Carbamoyl) Phenyl) Furan-2-Carboxamide (BFC) on brass in 1M HCl has been investigated using weight loss method, potentiodynamic polarization, electrochemical impedance spectroscopy (EIS), and cyclic voltammetry (CV). The result reveals that BFC acts as a mixed type corrosion inhibitor with more pronounced effect on anodic domain and the inhibition efficiency of BFC increases with increase in temperature ranges from 30°C to 60°C. AC impedance implies thatRctvalue of BFC increases with increase in concentration. CV indicates that the addition of inhibitor controls the oxidation of the copper on the brass metal. The structural confirmation of BFC was carried out by the spectral studies like FT-IR,1H NMR,13C NMR, and the molecular weight was confirmed by LC-MS. Surface characterization of brass with BFC was analysed using scanning electron microscope (SEM). Quantum chemical parameter was used to calculate the electronic properties of BFC in order to confirm the correlation between the inhibitor effect and molecular structure of BFC. BFC has more negative charge on nitrogen and oxygen atom, which facilitates the adsorption of BFC on the surface of brass.","PeriodicalId":13893,"journal":{"name":"International Journal of Corrosion","volume":null,"pages":null},"PeriodicalIF":3.1,"publicationDate":"2018-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/2018/9372804","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46072137","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 19
Effect of Chloride Ion on Free Nitrite Ion in Cement 氯离子对水泥中游离亚硝酸盐离子的影响
IF 3.1
International Journal of Corrosion Pub Date : 2018-07-02 DOI: 10.1155/2018/2940953
Xiangwei Xing, Junzhe Liu, Yanhua Dai, Mengna Yang, Yushun Li
{"title":"Effect of Chloride Ion on Free Nitrite Ion in Cement","authors":"Xiangwei Xing, Junzhe Liu, Yanhua Dai, Mengna Yang, Yushun Li","doi":"10.1155/2018/2940953","DOIUrl":"https://doi.org/10.1155/2018/2940953","url":null,"abstract":"This was an experiment in which chloride was externally permeated into cement paste. The influence of on the content and distribution of free-form in the cement paste was researched using the chemical quantitative analysis method. The action mechanism was investigated by the micro-means of X-ray diffraction (XRD) and scanning electron microscopy (SEM). The results show that the physical competitive adsorption of with on C-S-H and the chemical substitution of to NO2-AFm caused more free-form in the cement paste. In the cement paste with chloride salt erosion, the concentration in the erosion surface was the lowest, and the concentration reached the highest value at 10mm from the erosion surface. The concentration decreased gradually with the depth from the erosion surface.","PeriodicalId":13893,"journal":{"name":"International Journal of Corrosion","volume":null,"pages":null},"PeriodicalIF":3.1,"publicationDate":"2018-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/2018/2940953","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43156171","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Regression Analysis of Bond Parameters between Corroded Rebar and Concrete Based on Reported Test Data 基于试验数据的锈蚀钢筋与混凝土粘结参数回归分析
IF 3.1
International Journal of Corrosion Pub Date : 2018-07-02 DOI: 10.1155/2018/5309243
H. J. Zhou, Y. F. Zhou, Y. Xu, Z. Y. Lin, F. Xing, L. Li
{"title":"Regression Analysis of Bond Parameters between Corroded Rebar and Concrete Based on Reported Test Data","authors":"H. J. Zhou, Y. F. Zhou, Y. Xu, Z. Y. Lin, F. Xing, L. Li","doi":"10.1155/2018/5309243","DOIUrl":"https://doi.org/10.1155/2018/5309243","url":null,"abstract":"Reinforcement corrosion is a major cause of degradation in reinforced concrete structures. The fragile rust layer and cracking and spalling of the cover caused by splitting stress due to rust expansion can alter bond behaviors significantly. Despite extensive experimental tests, no stochastic model has yet incorporated randomness into the bond parameters model. This paper gathered published experimental data on the bond-slip parameters of pull-out specimens and beam-end specimens. Regression analysis was carried out to identify the best fit of bond strength and the corresponding slip value in the context of different corrosion levels from the recollected test results. An F-test confirmed the regression effect to be significant. Residual data were also analyzed and found to be well described by a normal distribution. Crack width data of the tested specimens were also collected. A regression analysis of the bond strength and maximum crack width was carried out given the comparative simplicity of measuring crack width versus rebar area loss. Results indicate that maximum crack width can also be used to predict bond strength degradation with similar variation magnitude.","PeriodicalId":13893,"journal":{"name":"International Journal of Corrosion","volume":null,"pages":null},"PeriodicalIF":3.1,"publicationDate":"2018-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/2018/5309243","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42112485","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Influence of Hot-Dip Galvanised Coating Morphology on the Adhesion of Organic Coatings Depending on the Zinc Bath Pb Content and the Postgalvanising Cooling Method 热镀锌层形态对有机涂层附着力的影响取决于锌浴铅含量和镀锌后冷却方法
IF 3.1
International Journal of Corrosion Pub Date : 2018-07-02 DOI: 10.1155/2018/2102086
M. Nowicka-Nowak, M. Zubielewicz, H. Kania, P. Liberski, M. Sozańska
{"title":"Influence of Hot-Dip Galvanised Coating Morphology on the Adhesion of Organic Coatings Depending on the Zinc Bath Pb Content and the Postgalvanising Cooling Method","authors":"M. Nowicka-Nowak, M. Zubielewicz, H. Kania, P. Liberski, M. Sozańska","doi":"10.1155/2018/2102086","DOIUrl":"https://doi.org/10.1155/2018/2102086","url":null,"abstract":"Hot-dip galvanised coatings used either alone or with an organic coating (duplex system) constitute an effective anticorrosion protection. Adhesion between the coating and the zinc substrate plays a vital role in the durability of the duplex system. Conditions of the galvanising process and alloying additives incorporated into the zinc bath influence mechanical and protective properties as well as thickness, structure, and surface morphology of the zinc coatings. The influence of the surface morphology of zinc coatings on the adhesion of organic coatings was studied. The tests were carried out on zinc coatings produced in baths with varying Pb content and by employing various cooling methods after the galvanising process. It was noted that a rapid cooling in water produces zinc coatings with a fine-grain structure, more suitable for paint application compared to the air-cooled ones, with a spangle.","PeriodicalId":13893,"journal":{"name":"International Journal of Corrosion","volume":null,"pages":null},"PeriodicalIF":3.1,"publicationDate":"2018-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/2018/2102086","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46573983","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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