{"title":"Research advances on superhydrophobic coating for metal surfaces via one-step electrodeposition","authors":"Dexin Chen, Hongyuan He, Zhixin Kang, Wei Li","doi":"10.1108/acmm-08-2023-2877","DOIUrl":"https://doi.org/10.1108/acmm-08-2023-2877","url":null,"abstract":"<h3>Purpose</h3>\u0000<p>This study aims to review the current one-step electrodeposition of superhydrophobic coatings on metal surfaces.</p><!--/ Abstract__block -->\u0000<h3>Design/methodology/approach</h3>\u0000<p>One-step electrodeposition is a versatile and simple technology to prepare superhydrophobic coatings on metal surfaces.</p><!--/ Abstract__block -->\u0000<h3>Findings</h3>\u0000<p>Preparing superhydrophobic coatings by one-step electrodeposition is an efficient method to protect metal surfaces.</p><!--/ Abstract__block -->\u0000<h3>Originality/value</h3>\u0000<p>Even though there are several technologies, one-step electrodeposition still plays a significant role in producing superhydrophobic coatings.</p><!--/ Abstract__block -->","PeriodicalId":8217,"journal":{"name":"Anti-corrosion Methods and Materials","volume":"5 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2024-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139556293","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}
Evrim Baran Aydın, Eyüp Başaran, Sevgi Ateş, Reşit Çakmak
{"title":"A novel corrosion inhibitor based on a Schiff base for mild steel in 1M HCl: synthesis and anticorrosion study","authors":"Evrim Baran Aydın, Eyüp Başaran, Sevgi Ateş, Reşit Çakmak","doi":"10.1108/acmm-08-2023-2878","DOIUrl":"https://doi.org/10.1108/acmm-08-2023-2878","url":null,"abstract":"<h3>Purpose</h3>\u0000<p>The aim of this study was to investigate the activity of 4-((4-((2-hydroxyethyl)(methyl)amino)benzylidene) amino)-1,5-dimethyl-2-phenyl-1,2-dihydro-3<em>H</em>-pyrazol-3-one (HEMAP), a Schiff base synthesized and characterized for the first time, to the authors’ knowledge, as a novel inhibitor against corrosion of mild steel (MS) in hydrochloric acid solution.</p><!--/ Abstract__block -->\u0000<h3>Design/methodology/approach</h3>\u0000<p>HEMAP was characterized by some spectroscopic methods including High-Resolution Mass Spectrometry (HRMS), Proton Nuclear Magnetic Resonance (1H NMR), Carbon-13 (C13) nuclear magnetic resonance (13C NMR) and Fourier Transform Infrared Spectroscopy (FT-IR). Then, the inhibition efficiency of HEMAP on MS in a hydrochloric acid solution was investigated by potentiodynamic polarization and electrochemical impedance spectroscopy (EIS). To explain the inhibition mechanism, the surface charge, adsorption isotherms and thermodynamic parameters of MS in the inhibitor solution were studied.</p><!--/ Abstract__block -->\u0000<h3>Findings</h3>\u0000<p>EIS tests displayed that the highest inhibition efficiency was calculated approximately as 99.5% for 5 × 10<sup>−2</sup> M HEMAP in 1 M HCl solution. The adsorption of HEMAP on the MS surface was found to be compatible with the Langmuir model isotherm. The thermodynamic parameter results showed that the standard free energy of adsorption of HEMAP on the MS surface was found to be more chemical than physical.</p><!--/ Abstract__block -->\u0000<h3>Originality/value</h3>\u0000<p>This study is important in terms of demonstrating the performance of the first synthesized HEMAP molecule as an inhibitor against the corrosion of MS in acidic media. EIS tests displayed that the highest inhibition efficiency was calculated approximately as 99.5% for 5 × 10<sup>−2</sup> M HEMAP in 1 M HCl solution.</p><!--/ Abstract__block -->","PeriodicalId":8217,"journal":{"name":"Anti-corrosion Methods and Materials","volume":"130 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2024-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139499081","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}
{"title":"Progress in superhydrophobic surfaces for corrosion protection of Mg alloys – a mini-review","authors":"Zhengwei Song, Zhi-Hui Xie, Lifeng Ding, Shengjian Zhang","doi":"10.1108/acmm-07-2023-2848","DOIUrl":"https://doi.org/10.1108/acmm-07-2023-2848","url":null,"abstract":"<h3>Purpose</h3>\u0000<p>This paper aims to comprehensively review the preparation methods of superhydrophobic surfaces (SHPS) for corrosion protection of Mg alloy in recent years.</p><!--/ Abstract__block -->\u0000<h3>Design/methodology/approach</h3>\u0000<p>The preparation methods, wettability and corrosion resistance of SHPS on Mg alloy in the past three years are systematically described in this paper.</p><!--/ Abstract__block -->\u0000<h3>Findings</h3>\u0000<p>Two types of SHPS, including single-layer and multilayer coatings for corrosion protection of Mg alloy are summarized. Preparing multilayered coatings with multifunction is the current trend in developing SHPS on Mg alloy.</p><!--/ Abstract__block -->\u0000<h3>Originality/value</h3>\u0000<p>This paper reviewed the preparation methods and corrosion resistance of SHPS on Mg alloys. It provides a valuable reference for researchers to develop highly durable SHPS with excellent corrosion resistance for Mg alloys.</p><!--/ Abstract__block -->","PeriodicalId":8217,"journal":{"name":"Anti-corrosion Methods and Materials","volume":"33 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2024-01-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139481912","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}
{"title":"Effect of zinc oxide on the electrochemical properties of micro-arc oxidation coatings in seawater","authors":"Qiang Sun, Quantong Jiang, Siwei Wu, Chang Liu, Heng Tang, L. Song, Hao Shi, Jizhou Duan, BaoRong Hou","doi":"10.1108/acmm-11-2023-2917","DOIUrl":"https://doi.org/10.1108/acmm-11-2023-2917","url":null,"abstract":"<h3>Purpose</h3>\u0000<p>The purpose of this paper is to explore the effect of ZnO on the structure and properties of micro-arc oxidation (MAO) coating on rare earth magnesium alloy under large concentration gradient.</p><!--/ Abstract__block -->\u0000<h3>Design/methodology/approach</h3>\u0000<p>The macroscopic and microscopic morphology, thickness, surface roughness, chemical composition and structure of the coating were characterized by different characterization methods. The corrosion resistance of the film was studied by electrochemical and scanning Kelvin probe force microscopy. The results show that the addition of ZnO can significantly improve the compactness and corrosion resistance of the MAO coating, but the high concentration of ZnO will cause microcracks, which will reduce the corrosion resistance to a certain extent.</p><!--/ Abstract__block -->\u0000<h3>Findings</h3>\u0000<p>When the concentration of zinc oxide is 8 g/L, the compactness and corrosion resistance of the coating are the best, and the thickness of the coating is positively correlated with the concentration of ZnO.</p><!--/ Abstract__block -->\u0000<h3>Research limitations/implications</h3>\u0000<p>Too high concentration of ZnO reduces the performance of MAO coating.</p><!--/ Abstract__block -->\u0000<h3>Practical implications</h3>\u0000<p>The MAO coating prepared by adding ZnO has good corrosion resistance. Combined with organic coatings, it can be applied in corrosive marine environments, such as ship parts and hulls. To a certain extent, it can reduce the economic loss caused by corrosion.</p><!--/ Abstract__block -->\u0000<h3>Originality/value</h3>\u0000<p>The effect of ZnO on the corrosion resistance of MAO coating in electrolyte solution was studied systematically, and the conclusion was new to the common knowledge.</p><!--/ Abstract__block -->","PeriodicalId":8217,"journal":{"name":"Anti-corrosion Methods and Materials","volume":"23 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2024-01-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139412854","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}
Yan Gao, Qiubo Li, Wei Wu, Qiwei Wang, Yizhe Su, Junxi Zhang, Deyuan Lin, Xiaojian Xia
{"title":"Atmospheric corrosion acceleration effect on commercial aluminum alloys in current-carrying condition","authors":"Yan Gao, Qiubo Li, Wei Wu, Qiwei Wang, Yizhe Su, Junxi Zhang, Deyuan Lin, Xiaojian Xia","doi":"10.1108/acmm-06-2023-2818","DOIUrl":"https://doi.org/10.1108/acmm-06-2023-2818","url":null,"abstract":"<h3>Purpose</h3>\u0000<p>The purpose of this paper is to study the effect of current-carrying condition on the electrochemical process and atmospheric corrosion behavior of the commercial aluminum alloys.</p><!--/ Abstract__block -->\u0000<h3>Design/methodology/approach</h3>\u0000<p>Potentiodynamic polarization tests were performed to study the electrochemical process of the aluminum alloys. Salt spray tests and weight loss tests were carried out to study the atmospheric corrosion behavior. The corrosion morphology of the alloys was observed, and the products were analyzed.</p><!--/ Abstract__block -->\u0000<h3>Findings</h3>\u0000<p>The corrosion process of four aluminum alloys was accelerated in the current-carrying condition. Moreover, the acceleration effect on A2024 and A7075 was much stronger than that on A1050 and A5052. The main factors would be the differences in microstructure and corrosion resistance between these alloys. As the carried current increased, the corrosion rate and corrosion current density of the aluminum alloys gradually increased, with the protection of the corrosion product film decreasing linearly.</p><!--/ Abstract__block -->\u0000<h3>Originality/value</h3>\u0000<p>This is a recent study on the corrosion behavior of conductors under current-carrying condition, which truly understands the corrosion status of power grid materials. Relevant results provide support for the corrosion protection and safe service of aluminum alloy in power systems.</p><!--/ Abstract__block -->","PeriodicalId":8217,"journal":{"name":"Anti-corrosion Methods and Materials","volume":"18 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2024-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139103025","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}
{"title":"Effect of ultraviolet light on the corrosion behavior of weathering steel in simulated marine atmospheric environment","authors":"Shuo Su, Xiong-Tao Zhu, Hong-Qiang Fan","doi":"10.1108/acmm-04-2023-2794","DOIUrl":"https://doi.org/10.1108/acmm-04-2023-2794","url":null,"abstract":"<h3>Purpose</h3>\u0000<p>This paper aims to study the effect of ultraviolet (UV) light on the corrosion behavior of BC550 weathering steel in simulated marine atmospheric environment.</p><!--/ Abstract__block -->\u0000<h3>Design/methodology/approach</h3>\u0000<p>The effect of UV light on the corrosion behavior of BC550 weathering steel in simulated marine atmospheric environments were investigated by the corrosion weight gain experiment, <em>in situ</em> electrochemical noise, scanning electron microscope and X-ray diffraction.</p><!--/ Abstract__block -->\u0000<h3>Findings</h3>\u0000<p>UV light accelerated the corrosion process of BC550 weathering steel in the simulated marine atmospheric environment during the first 168 h. The maximum influence factor of UV light was 0.32, and it was only 0.08 after 168 h of corrosion process.</p><!--/ Abstract__block -->\u0000<h3>Originality/value</h3>\u0000<p>As the extension of corrosion time, the thickness and density of the corrosion product layer increased, which weakened the acceleration effect of UV light.</p><!--/ Abstract__block -->","PeriodicalId":8217,"journal":{"name":"Anti-corrosion Methods and Materials","volume":"1 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2024-01-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139082639","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}
Zhengwei Song, Shengjian Zhang, Lifeng Ding, Xuejing Wu, Ning Long
{"title":"The preparation and corrosion resistance of superhydrophobic coating on Cu plate via two-step electrodeposition","authors":"Zhengwei Song, Shengjian Zhang, Lifeng Ding, Xuejing Wu, Ning Long","doi":"10.1108/acmm-09-2023-2903","DOIUrl":"https://doi.org/10.1108/acmm-09-2023-2903","url":null,"abstract":"<h3>Purpose</h3>\u0000<p>The purpose of this paper was prepared a Ni-based superhydrophobic coating on the surface of copper to enhence its corrosion resistance. The superhydrophobic coating (SHPC) has proven to be an effective surface treatment in corrosion protection. In this paper, a Ni-based SHPC was prepared on the surface of copper (Cu) to enhance its corrosion resistance.</p><!--/ Abstract__block -->\u0000<h3>Design/methodology/approach</h3>\u0000<p>The coating was prepared through a two-step electrodeposition process. The first step involves the formation of a micro-nano structure Ni layer formed by an electrodeposition process. Subsequently, the polysiloxane layer was deposited on the Ni surface to create an SHPC. The morphology, composition, structure, wettability and corrosion resistance of the coating were characterized and discussed.</p><!--/ Abstract__block -->\u0000<h3>Findings</h3>\u0000<p>The results show that the water contact angle of the as-prepared coating reaches 155.5°±1.0°. The corrosion current density (<em>i<sub>corr</sub></em> = 3.90 × 10<sup>−9</sup> A·cm<sup>−2</sup>) decreased by three orders of magnitude compared to the substrate, whereas <em>|Z|<sub>f = 0.01</sub> <sub>Hz</sub></em> (2.40 × 10<sup>6</sup> Ω·cm<sup>2</sup>) increased by three orders of magnitude. It indicated that the prepared coating has excellent superhydrophobicity and high corrosion resistance, which can provide better protection for the substrate.</p><!--/ Abstract__block -->\u0000<h3>Originality/value</h3>\u0000<p>The prepared coating provides long-lasting protection for Cu and other metals and offers valuable data for developing SHPCs.</p><!--/ Abstract__block -->","PeriodicalId":8217,"journal":{"name":"Anti-corrosion Methods and Materials","volume":"32 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2023-12-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138826827","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}
Halime Morovati, Mohammad Reza Noorbala, Mansoor Namazian, Hamid R. Zare, Ahmad Ali Dehghani-Firouzabadi
{"title":"Experimental and theoretical investigation of two thioether-based Schiff bases as anti-corrosion agents for carbon steel in HCl electrolyte","authors":"Halime Morovati, Mohammad Reza Noorbala, Mansoor Namazian, Hamid R. Zare, Ahmad Ali Dehghani-Firouzabadi","doi":"10.1108/acmm-07-2023-2856","DOIUrl":"https://doi.org/10.1108/acmm-07-2023-2856","url":null,"abstract":"<h3>Purpose</h3>\u0000<p>The main purpose of the present work is to introduce two new Schiff bases as corrosion inhibitors (CIs) for carbon steel (CS). The anti-corrosion performance of these Schiff bases having N and S heteroatoms in their structures was investigated and compared in 2 M HCl electrolyte. The inhibitory activity of these Schiff bases was also assessed.</p><!--/ Abstract__block -->\u0000<h3>Design/methodology/approach</h3>\u0000<p>Common electrochemical assays like potentiodynamic polarization and electrochemical impedance measurements were used to evaluate the ability of compounds in reduction of the rate of corrosion. Quantum chemical calculations (QCCs) were also used to examine the corrosion inhibitive and the process related to the electrical and structural characteristics of the molecules acting as CIs.</p><!--/ Abstract__block -->\u0000<h3>Findings</h3>\u0000<p>The electrochemical measurements indicate that both Schiff bases acted as the efficient CIs of CS in 2 M HCl electrolyte. The adsorption of the Schiff base on the surface of the CS caused the corrosion to be inhibited. The change of Gibbs energies indicated that both physical and chemical interactions are involved in the adsorption of NNS and SNS on CS surfaces. The predicted QCCs of the CIs neutral and positively charged versions were well-aligned with those obtained by electrochemical experiments.</p><!--/ Abstract__block -->\u0000<h3>Originality/value</h3>\u0000<p>Using electrochemical experiments and quantum chemical modelings, two new Schiff bases, N-2-((2-nitrophenyl)thio)phenyl)-1-(pyrrole-2-yl)methanimine (NNS) and N-2-((2-nitrophenyl)thio)phenyl)-1-(thiophen-2-yl)methanimine (SNS), were evaluated as anti-corrosion agents for CS in 2 M HCl electrolyte. The DFT calculations were considered to compute the quantum chemical parameters of the inhibitors.</p><!--/ Abstract__block -->","PeriodicalId":8217,"journal":{"name":"Anti-corrosion Methods and Materials","volume":"30 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2023-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138715186","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}
{"title":"Cold metal transfer welding of 316L/430 dissimilar stainless-steel welds","authors":"Chetan Tembhurkar, Sachin Ambade, Ravinder Kataria, Jagesvar Verma, Abhijeet Moon","doi":"10.1108/acmm-03-2023-2774","DOIUrl":"https://doi.org/10.1108/acmm-03-2023-2774","url":null,"abstract":"<h3>Purpose</h3>\u0000<p>This paper aims to examine dissimilar joints for various applications in chemical, petrochemical, oil, gas, shipbuilding, defense, rail and nuclear industry.</p><!--/ Abstract__block -->\u0000<h3>Design/methodology/approach</h3>\u0000<p>This study examined the effects of cold metal transfer welding on stainless steel welds for 316L austenitic and 430 ferritic dissimilar welds with ER316L, ER309L and without (autogenous) fillers. The microstructural observation was done with an optical microscope. The mechanical test was done to reveal the strength, hardness and toughness of the joint. The electrochemical polarization tests were done to reveal intergranular and pitting corrosion in the dissimilar joints.</p><!--/ Abstract__block -->\u0000<h3>Findings</h3>\u0000<p>This microstructural study shows the presence of austenitic and ferritic phases with vermicular ferrite for ER309L filler weld, and for ER316L filler weld specimen shows predominately martensitic phase in the weld region, whereas the autogenous weld shows lathy ferrite mixed with martensitic phase. Mechanical test results indicated that filler welded specimen (ER316L and ER309L) has relatively higher strength and hardness than the autogenous weld, whereas ER316L filler weld exhibited the highest impact toughness than ER309L filler weld and lowest in autogenous weld. The electrochemical corrosion results displayed the highest degree of sensitization (DOS) in without filler welded specimen (45.62%) and lower in case of filler welded specimen ER309L (4.95%) and least in case of ER316L filler welded specimen (3.51%). The high DOS in non-filler welded specimen is correlated with the chromium carbide formation. The non-filler welded specimen shows the highest pitting corrosion attack as compared to the ER316L filler weld specimen and relatively better in ER309L filler welded specimen. The highest pitting corrosion resistance is related with the high chromium content in ER309L composition.</p><!--/ Abstract__block -->\u0000<h3>Originality/value</h3>\u0000<p>This experimental study is original and conducted with 316L and 430 stainless steel with ER316L, ER309 and without fillers, which will help the oil, shipbuilding and chemical industries.</p><!--/ Abstract__block -->","PeriodicalId":8217,"journal":{"name":"Anti-corrosion Methods and Materials","volume":"28 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2023-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138714860","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}
Yingying Li, Lanlan Liu, Jun Wang, Song Xu, Hui Su, Yi Xie, Tangqing Wu
{"title":"A comparative study on the corrosion behavior of Q235 steel in saturated acidic red and yellow soils","authors":"Yingying Li, Lanlan Liu, Jun Wang, Song Xu, Hui Su, Yi Xie, Tangqing Wu","doi":"10.1108/acmm-03-2023-2775","DOIUrl":"https://doi.org/10.1108/acmm-03-2023-2775","url":null,"abstract":"<h3>Purpose</h3>\u0000<p>The purpose of this paper is to study the corrosion behavior of Q235 steel in saturated acidic red and yellow soils.</p><!--/ Abstract__block -->\u0000<h3>Design/methodology/approach</h3>\u0000<p>The corrosion behavior of Q235 steel in saturated red and yellow soils was compared by weight-loss, SEM/EDS, 3D ultra-depth microscopy and electrochemical measurements.</p><!--/ Abstract__block -->\u0000<h3>Findings</h3>\u0000<p><em>R</em><sub>p</sub> of the steel gradually increases and <em>i</em><sub>corr</sub> gradually decreases in both the red and yellow soils with time. The <em>R</em><sub>p</sub> of the steel in the red soil is lower, but its <em>i</em><sub>corr</sub> is higher than that in the yellow soil. The uniform corrosion rate, diameter and density of the corrosion pit on the steel surface in the red soil are greater than those in the yellow soil. Lower pH, higher contents of corrosive anions and high-valence Fe oxides in the red soil are responsible for its higher corrosion rates and local corrosion susceptibility.</p><!--/ Abstract__block -->\u0000<h3>Originality/value</h3>\u0000<p>This paper investigates the difference in corrosion behavior of carbon steel in saturated acidic red and yellow soils, which can help to understand the mechanism of soil corrosion.</p><!--/ Abstract__block -->","PeriodicalId":8217,"journal":{"name":"Anti-corrosion Methods and Materials","volume":"1 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2023-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138681961","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}