Corrosion Communications最新文献_第3页

Effects of Mn addition on oxidation behaviour of heat-resistant steel in a high-temperature steam environment 添加锰对高温蒸汽环境下耐热钢氧化性能的影响

Corrosion Communications Pub Date : 2024-06-01 DOI: 10.1016/j.corcom.2023.09.003

Jing Huang , Dawei Yi , Jingbo Yan , Bin Han , Yihang He , Zhen Yang , Yongli Zhou , Fang Yang

引用次数: 0

Protection of mild steel from corrosion in an aggressive chloride media through chitosan-CeO2 nanocomposite: Experimental and computational studies 通过壳聚糖-CeO2 纳米复合材料保护低碳钢免受侵蚀性氯化物介质的腐蚀：实验和计算研究

Corrosion Communications Pub Date : 2024-06-01 DOI: 10.1016/j.corcom.2023.08.003

Himanshi Bairagi , Priya Vashishth , Rajni Narang , Sudhish K. Shukla , Bindu Mangla

{"title":"Protection of mild steel from corrosion in an aggressive chloride media through chitosan-CeO2 nanocomposite: Experimental and computational studies","authors":"Himanshi Bairagi , Priya Vashishth , Rajni Narang , Sudhish K. Shukla , Bindu Mangla","doi":"10.1016/j.corcom.2023.08.003","DOIUrl":"10.1016/j.corcom.2023.08.003","url":null,"abstract":"<div><p>In this study, synthesis of cerium dioxide nanoparticles (CeO<sub>2</sub> NPs) and preparation of chitosan-CeO<sub>2</sub> nanocomposite (CH-CeO<sub>2</sub> NC) were done and examined their inhibitive nature on mild steel surface in 1 mol/L HCl solution. Characterization was done through ultraviolet-visible (UV–Vis) and Fourier transform infrared (FT-IR) spectroscopy. Mass loss, electrochemical studies were used to determine the anticorrosive parameters of the prepared materials. Morphology, composition, and size were evaluated with scanning electron microscopy/energy dispersive spectrometry and X-ray diffraction. The inhibition efficiency was increased from 76.9% to 98.9% with the introduction of NPs in the CH. Atomic force microscopy and density functional theory results are in compliance with experimental studies and confirm the better performance of CH-CeO<sub>2</sub> NC over chitosan.</p></div>","PeriodicalId":100337,"journal":{"name":"Corrosion Communications","volume":"14 ","pages":"Pages 58-71"},"PeriodicalIF":0.0,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2667266924000070/pdfft?md5=f3bc1efdbe6361732a2c261265cedbff&pid=1-s2.0-S2667266924000070-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140283325","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Oxidation resistance of Mo/Cr bilayer coating on Zr alloy in a 1200 °C steam environment Zr 合金上的 Mo/Cr 双层涂层在 1200 °C 蒸汽环境中的抗氧化性

Corrosion Communications Pub Date : 2024-06-01 DOI: 10.1016/j.corcom.2023.11.002

Zheng Wang , Yingpeng Zhang , Shenghao Zhou , Zhenyu Wang , Yirong Yao , Aiying Wang , Ming Li , Peiling Ke

{"title":"Oxidation resistance of Mo/Cr bilayer coating on Zr alloy in a 1200 °C steam environment","authors":"Zheng Wang , Yingpeng Zhang , Shenghao Zhou , Zhenyu Wang , Yirong Yao , Aiying Wang , Ming Li , Peiling Ke","doi":"10.1016/j.corcom.2023.11.002","DOIUrl":"https://doi.org/10.1016/j.corcom.2023.11.002","url":null,"abstract":"<div><p>The Cr-coated Zr alloys demonstrate excellent resistance to high-temperature steam oxidation. However, the rapid diffusion pathways for oxygen formed by the inter-diffusion between the coating and alloy at high temperatures significantly affect the steam oxidation resistance of the coated alloys. To address this issue, we developed a Mo/Cr bilayer coating on Zr alloy by a combination of dc-MS and HiPIMS surface treatments. The coating exhibits outstanding steam oxidation resistance at high temperatures, resulting in a mass gain approximately 86.6% and 44.1% lower than that of the bare Zr alloy and Cr coating, respectively, after 30 min of steam oxidation at 1200 °C. This is mainly because, during the oxidation process, the Mo interface layer undergoes a transformation into a thin and high-quality double diffusion layer structure, effectively avoiding high-temperature inter-diffusion between the Cr coating and Zr alloy, thereby inhibiting the formation of oxygen diffusion pathways.</p></div>","PeriodicalId":100337,"journal":{"name":"Corrosion Communications","volume":"14 ","pages":"Pages 49-57"},"PeriodicalIF":0.0,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2667266924000148/pdfft?md5=e373b580161dd0245145c1c3452828f2&pid=1-s2.0-S2667266924000148-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141239669","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effects of dissolved oxygen on the corrosion-related unidentified deposit formed of 304 SS in the flow accelerated zone under the simulated secondary water chemistry 溶解氧对模拟二次水化学条件下 304 SS 在水流加速区形成的与腐蚀有关的不明沉积物的影响

Corrosion Communications Pub Date : 2024-05-24 DOI: 10.1016/j.corcom.2024.02.001

{"title":"Effects of dissolved oxygen on the corrosion-related unidentified deposit formed of 304 SS in the flow accelerated zone under the simulated secondary water chemistry","authors":"","doi":"10.1016/j.corcom.2024.02.001","DOIUrl":"10.1016/j.corcom.2024.02.001","url":null,"abstract":"<div><p>Effects of dissolved oxygen (DO) on the deposition characteristics of corrosion-related unidentified deposit (CRUD) were investigated by using 304 stainless steel micro-orifices. The main results indicate that the change of DO concentration resulted in a change of the composition of the outermost deposition layer. The DO concentration amplifies/diminishes the porosity in CRUD effect by changing the rate of ion transport. Meanwhile, the electrokinetic effect is weakened by the decrease of the thickness of the electric double layer, which is caused by the dissolution of Cr ions increased by increasing the DO concentration. Meanwhile, the chromium ion concentration increases with the dissolved oxygen concentration, which leads to a decrease in the thickness of the electric double layer, weakening the electrodynamic effect. The above results in the thickness and width of CRUD in the flow acceleration zone vary in varying degrees. This suggests that the deposition process of CRUD occurs under the mechanism of mass transfer and electrokinetic mechanism.</p></div>","PeriodicalId":100337,"journal":{"name":"Corrosion Communications","volume":"16 ","pages":"Pages 14-23"},"PeriodicalIF":0.0,"publicationDate":"2024-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2667266924000227/pdfft?md5=15db6b30ddbb71cc81a8cb8abcd3192b&pid=1-s2.0-S2667266924000227-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141134951","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Importance of the autoclave testing parameters on the initial stage of corrosion under CO2-containing geothermal environments 高压釜试验参数对含二氧化碳地热环境下初期腐蚀的重要性

Corrosion Communications Pub Date : 2024-05-24 DOI: 10.1016/j.corcom.2023.10.004

{"title":"Importance of the autoclave testing parameters on the initial stage of corrosion under CO2-containing geothermal environments","authors":"","doi":"10.1016/j.corcom.2023.10.004","DOIUrl":"10.1016/j.corcom.2023.10.004","url":null,"abstract":"<div><p>Autoclave corrosion testing has been used for many years; however, few have studied the effect of its shortcomings on the formation of corrosion products and corrosion behaviour. In particular, understanding of these effects under high temperature and high pressure (HTHP) is rare. In this study, we highlighted the important parameters such as heating periods, flow rates and volume-to-surface ratios influencing carbon steel corrosion in the early stages. Especially, characterisation and protection behaviour of corrosion products associated with corrosion behaviour in the heating stage under the geothermal CO<sub>2</sub>-containing environment were systematically studied via mass loss, in-situ electrochemistry and surface analysis techniques. The roles of <span><math><msub><mi>p</mi><mrow><mi>C</mi><msub><mi>O</mi><mn>2</mn></msub></mrow></msub></math></span>, volume-to-surface ratio and flow rate influence the formation of the corrosion products in the early stage are also evaluated.</p></div>","PeriodicalId":100337,"journal":{"name":"Corrosion Communications","volume":"15 ","pages":"Pages 63-78"},"PeriodicalIF":0.0,"publicationDate":"2024-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2667266924000215/pdfft?md5=c613ad0b03290496d882762414b7f9d4&pid=1-s2.0-S2667266924000215-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141142749","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Electrically conductive and corrosion resistant coating on MgLi alloys, Part I: Chemical conversion coating 镁锂合金导电耐腐蚀涂层，第 I 部分：化学转化涂层

Corrosion Communications Pub Date : 2024-05-03 DOI: 10.1016/j.corcom.2023.08.007

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Influence of thermomechanical treatment on the corrosion behaviour of 2A97 Al-Cu-Li alloy 热机械处理对 2A97 Al-Cu-Li 合金腐蚀行为的影响

Corrosion Communications Pub Date : 2024-05-01 DOI: 10.1016/j.corcom.2023.10.003

引用次数: 0

Inhibition of the second phase precipitation and improvement of intergranular corrosion resistance by boron segregation at the grain boundary of S31254 superaustenitic stainless steel 通过在 S31254 超奥氏体不锈钢晶界处偏析硼来抑制第二相析出并提高晶间耐腐蚀性能

Corrosion Communications Pub Date : 2024-04-01 DOI: 10.1016/j.corcom.2023.08.006

Jian Wang , Zhiqiang Liu , Haiyu Tian , Peide Han , Yaiza Gonzalez-Garcia

{"title":"Inhibition of the second phase precipitation and improvement of intergranular corrosion resistance by boron segregation at the grain boundary of S31254 superaustenitic stainless steel","authors":"Jian Wang , Zhiqiang Liu , Haiyu Tian , Peide Han , Yaiza Gonzalez-Garcia","doi":"10.1016/j.corcom.2023.08.006","DOIUrl":"https://doi.org/10.1016/j.corcom.2023.08.006","url":null,"abstract":"<div><p>The inhibition of Mo segregation and phase precipitation is vital for improving the hot workability and corrosion resistance of superaustentic stainless steels (SASS). The boron non-equilibrium segregation of S31254 SASS was implemented through solid solution, air cooling, and diffusion at low-temperature treatment (SADT). The precipitation process and intergranular corrosion (IGC) of S31254 SASS with various boron distributions were researched at a sensitive temperature. The second phases were observed and identified by SEM and TEM. IGC susceptibility was evaluated by double-loop potentiodynamic reactivation (DL-EPR) measurements. The SADT treatment promoted more segregation of B at the grain boundary, leading to lower amounts of grain boundary precipitation before aging for 6 h. The decrease of <em>σ</em> phases in B-regulated samples enhances the IGC resistance, compared with the samples without B addition specimens.</p></div>","PeriodicalId":100337,"journal":{"name":"Corrosion Communications","volume":"15 ","pages":"Pages 1-12"},"PeriodicalIF":0.0,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2667266924000173/pdfft?md5=e73077da617af5d60cd017db6bbc9564&pid=1-s2.0-S2667266924000173-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141424490","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Improving the corrosion resistance of FeCrAl alloy in high temperature hydrogenated water through gaseous pre-oxidation 通过气态预氧化提高铁铬铝合金在高温氢化水中的耐腐蚀性能

Corrosion Communications Pub Date : 2024-03-30 DOI: 10.1016/j.corcom.2024.03.001

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Effects of TiC particles on tribological and corrosion resistance of PEO coating on TC4 alloy TiC 颗粒对 TC4 合金上 PEO 涂层的摩擦学和耐腐蚀性能的影响

Corrosion Communications Pub Date : 2024-03-26 DOI: 10.1016/j.corcom.2023.10.002

Yan Tang, Cui-Ping Yang, Qing-Qing Sun, Lian-Kui Wu, Fa-He Cao

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