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Anti-Corrosion Methods and Materials
Journal Prestige (SJR): 0.235  Citation Impact (citeScore): 1 Number of Followers: 11  Hybrid journal (It can contain Open Access articles)ISSN (Print) 0003-5599 - ISSN (Online) 1758-4221 Published by Emerald  [362 journals]
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- Complex films formed on Al alloy surface via vapor phase assembly of
benzotriazole and dodecyltrimethoxysilane-
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Authors: Qiang Wang, Hongliang Zhang, Da Quan Zhang, Hongai Zheng, Lixin Gao
Abstract: The purpose of this paper is to study the effect of vapor assembly sequence and assembly temperature on the corrosion protection of the complex silane films Al alloy. The performance and application range of silane films are enhanced. The complex silane films were successfully prepared on the surface of aluminum alloy using via vapor phase assembly of 1,2,3-benzotriazole (BTA) and dodecyltrimethoxysilanes (DTMS). The protection of the assembly films against corrosion of Al alloy is investigated by the electrochemical measurements and the alkaline solution accelerated corrosion test. Thickness and hydrophobicity of the complex films are studied using ellipsometric spectroscopy and contact angle tests. It shows that the anti-corrosion ability of the complex films is overall superior to that of the single-component assembled films. DTMS-BTA films have larger thickness and best anti-corrosion ability. The alkyl chains in DTMS have better compatibility with BTA molecules. The rigid BTA molecule can permeate into the long alkyl chain of DTMS as fillers and improve the barrier properties of the complex films. In this paper, a green and efficient method of vapor phase assembly is proposed to rust prevention during manufacture of Al alloy workpiece.
Citation: Anti-Corrosion Methods and Materials
PubDate: 2023-05-30
DOI: 10.1108/ACMM-03-2023-2772
Issue No: Vol. ahead-of-print, No. ahead-of-print (2023)
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- Effects of the cementite morphology on the hydrogen trapping behavior in
the pipeline steel-
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Authors: Yanqi Tu, Saiyu Liu, Rongjian Shi, Shani Yang, Kewei Gao, Xiaolu Pang
Abstract: The purpose of this study is to investigate the effects of the cementite morphology on the hydrogen trapping behavior in low-alloy pipeline steel. In this study, the hydrogen trapping behavior in low-alloy pipeline steel was quantitatively studied by a combination of microstructural observations, electrochemical hydrogen permeation experiments and thermal desorption spectroscopy (TDS) analyses. P-1 and P-2 steels are two samples with different microstructures. The morphology of cementite precipitates in the P-1 and P-2 steels was different. Lamellar cementite is present in P-2 steel and only granular cementite in P-1 steel, which led to a better irreversible hydrogen trapping ability of P-2 steel, which was confirmed by subsequent hydrogen permeation and TDS experiments. The study of these deep hydrogen trap sites is helpful in improving the hydrogen embrittlement resistance of low-alloy pipeline steels.
Citation: Anti-Corrosion Methods and Materials
PubDate: 2023-05-26
DOI: 10.1108/ACMM-02-2023-2761
Issue No: Vol. ahead-of-print, No. ahead-of-print (2023)
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- Method to detect the bolt thread defect in the aerospace vehicle with
ultrasonic image and its implementation-
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Authors: Chunhua Liu, Ming Li, Peng Chen, Chaoyun Zhang
Abstract: This study aims to solve the problems of ambiguous localization, large calculation, poor real-time and limited applicability of bolt thread defect detection. First, the acquired ultrasound image is used to acquire the larger area of the image, which is set as the compliant threaded area. Second, based on the determined coordinates of the center point in each selected region, the set of coordinates on the left and right sides of the bolts is acquired by DBSCAN method with parameters eps and MinPts, which is determined by data set dimension D and the k-distance curve. Finally, the defect detection boundary line fitting is completed using the acquired coordinate set, and the relationship between the distance from each detection point to the curve and d, which is obtained from the measurement of the standard bolt sample with known thread defect, is used to locate the bolt thread defect simultaneously. In this paper, the bolt thread defect detection method with ultrasonic image is proposed; meanwhile, the ultrasonic image acquisition system is designed to complete the real-time localization of bolt thread defects. The detection results show that the method can effectively detect bolt thread defects and locate the bolt thread defect location with wide applicability, small calculation and good real-time performance.
Citation: Anti-Corrosion Methods and Materials
PubDate: 2023-05-26
DOI: 10.1108/ACMM-04-2023-2787
Issue No: Vol. ahead-of-print, No. ahead-of-print (2023)
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- High temperature corrosion behaviour of ZrO reinforced CrO composite
coatings in molten salt environment-
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Authors: Khushdeep Goyal, Davinder Singh, Harvinder Singh, Charanjit Singh
Abstract: This paper aims to investigate the high temperature corrosion behaviour of ZrO2-reinforced Cr2O3 matrix-based composite coatings on ASTM-SA213-T-22 steel at 900°C in molten salt environment. The different coatings were deposited by high velocity oxy fuel (HVOF) method. Hot corrosion studies were conducted in simulated boiler environment in silicon carbide tube furnace at 900°C for 50 cycles on bare and HVOF-coated boiler steel specimens. Each cycle consisted 50 h of heating in the simulated boiler environment followed by 20 min of cooling in air. The weight change measurements were performed after each cycle to establish the kinetics of corrosion using thermogravimetric technique. X-ray diffraction and scanning electron microscopy techniques were used to analyse the corroded specimens. The addition of 20 Wt.% ZrO2 in Cr2O3 helped reduce corrosion rate by 89.25% as compared to that of uncoated specimen. The phase analysis revealed the presence of Cr2O3 and ZrO2 phases in composite coating matrix, which may have prevented the base metal from interacting with the corrosive elements present in the highly aggressive environment and thus had increased the resistance to hot corrosion. It should be mentioned here that high temperature corrosion behaviour of thermally sprayed ZrO2–Cr2O3 composite coatings has never been studied, and to the best of the authors’ knowledge, it is not available in the literature. Hence, present investigation can provide valuable information for application of ZrO2-reinforced coatings in high temperature fuel combustion environments.
Citation: Anti-Corrosion Methods and Materials
PubDate: 2023-05-16
DOI: 10.1108/ACMM-03-2023-2780
Issue No: Vol. ahead-of-print, No. ahead-of-print (2023)
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- Effect of pitting corrosion on the mechanical properties and fracture
model of steel wires for bridge cable-
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Authors: Zhuangsu Kang, Zongxing Zhang, Shenyou Song, Qian Cheng, Siyu Tao, Ya Ni
Abstract: This paper aims to investigate the effect of characteristic parameters of pits on the mechanical properties and fracture model of cable steel wires. The tensile test and finite element analysis of steel wires with corrosion damage were carried out. The stress development of corroded steel wire under corrosion morphology was studied by the 3D reverse reconstruction technology. The internal relationship between the stress triaxiality, equivalent plastic strain and pit depth, depth-width ratio of corroded steel wire was discussed. With the increase of corrosion degree, the neck shrinkage phenomenon of steel wire was not significant, and the crack originated near the pit bottom and expanded to the section inside of specimen. The fiber area of corroded steel wire decreased while the radiation area increased, and the ductile fracture gradually changed to brittle fracture. The pit size significantly changed the triaxial degree and distribution of stress and accelerated the initiation and propagation of internal cracks at the neck shrinkage stage. The proposed fracture model based on the void growth model could accurately simulate the fracture behavior of steel wires with corrosion damage.
Citation: Anti-Corrosion Methods and Materials
PubDate: 2023-05-09
DOI: 10.1108/ACMM-02-2023-2763
Issue No: Vol. ahead-of-print, No. ahead-of-print (2023)
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- Varied corrosion evolution behavior of pure Mg, AZ31 and AZ91 magnesium
alloys in phosphate buffer solution-
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Authors: Mengmeng Li, Jian Chen, Jingtao Sun, Long Hao, Di Wu, Jianqiu Wang, Wei Ke
Abstract: The purpose of this study is to investigate the initial corrosion behavior of pure Mg, AZ31 and AZ91 alloys in phosphate buffer solution (PBS) and to characterize the features in corrosion type and resistance of the corrosion product layer. The scanning electron microscopy, equipped with energy-dispersive spectroscopy, X-ray photoelectron spectroscopy and electrochemical impedance spectroscopy have been used to characterize the as-corroded samples. Besides, the Mg2+ concentration in PBSs has been determined by inductively coupled plasma atomic emission spectrum. It has been found that pure Mg suffers pit corrosion, and AZ31 initially undergoes pit corrosion and then uniform corrosion dominates with an extended immersion duration. However, AZ91 exhibits the uniform corrosion with the highest corrosion rate among the three materials. Besides, the corrosion product layer on AZ31 has the best compactness and corrosion resistance. The findings add depth in understanding the corrosion of pure Mg and its alloys in PBS and also have guiding significance in exploring the effects by alloyed elements to develop new biomaterials with better performance.
Citation: Anti-Corrosion Methods and Materials
PubDate: 2023-05-08
DOI: 10.1108/ACMM-03-2023-2773
Issue No: Vol. ahead-of-print, No. ahead-of-print (2023)
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- Surface-modified cerium oxide as a corrosion inhibitor to enhance the
performance of epoxy coatings-
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Authors: Yinxia Dong, Yingjun Zhang, Xue-Jun Cui, Mingtian Li, Chun Xie, Zhongwen Pan
Abstract: The study aims to investigate the anticorrosion performance of epoxy coatings using modified cerium oxide (CeO2) by terephthalic acid (CeO2-t) and fumaric acid (CeO2-f) as corrosion inhibitors. The chemical state of CeO2-t, and CeO2-f were analyzed by infrared radiation (IR) and X-ray diffraction (XRD). The effect of different inhibitors on the coating properties was analyzed by neutral salt spray tests (NSST) and electrochemical impedance spectroscopy (EIS). The results of IR and XRD illustrate that the modification of CeO2 was successful, and fumaric acid underwent a ring-opening reaction with epoxy resin (EP) in the coatings. The results of NSST and EIS showed that the coatings containing CeO2-f exhibited the best anticorrosion performance. CeO2 is an effective inhibitor of the organic coatings. When surface modified, it is chemically bonded to EP, enhancing the anticorrosion performance of EP.
Citation: Anti-Corrosion Methods and Materials
PubDate: 2023-04-28
DOI: 10.1108/ACMM-02-2023-2762
Issue No: Vol. ahead-of-print, No. ahead-of-print (2023)
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- Interaction of marine organisms on localized corrosion of 316L stainless
steel in Dalian seawater-
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Authors: Wanbin Chen, Mingyu Wang, Mingyu Li, Kaiqiang Li, Yi Huang, Yunze Xu
Abstract: The purpose of this paper is to study the interaction of main marine organisms on localized corrosion of 316L stainless steel in the Dalian Sea area. The steel plate was immersed in the Dalian Sea area for nine months to observe the biofouling and localized corrosion. The local potential distribution on the steel plate covered by marine organisms was measured. The local electrochemical measurements were performed to facilitate understanding the interfacial status under different biofouling conditions. The local surface morphologies and corrosion products were characterized. The localized corrosion of stainless steel is mainly induced by the attachment of barnacles on the steel. The mussels have no influence on the localized corrosion. The cover of sea squirts could mitigate the localized corrosion induced by barnacles. Both crevice corrosion and pitting corrosion were found beneath the barnacle without the covering of sea squirts. The pitting damage was more serious than the crevice corrosion in the Dalian Sea area. The probing of sulfur element indicates that the potential growth of sulfate-reducing bacteria at barnacle center. The above findings revealed that the interaction of marine organisms has significant influences on the localized corrosion of stainless steel. The influences of macro-fouling and micro-fouling on localized corrosion are discussed.
Citation: Anti-Corrosion Methods and Materials
PubDate: 2023-04-18
DOI: 10.1108/ACMM-02-2023-2755
Issue No: Vol. ahead-of-print, No. ahead-of-print (2023)
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- Progress on microstructure and residual stress evolution and corrosion
behavior in SP-, LSP- and WJP-treated austenitic stainless steels-
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Authors: Tingyun Ming, Qunjia Peng, Yaolei Han, Tao Zhang
Abstract: This paper aims to review the effect of traditional shot peening (SP), laser shock peening (LSP) and water jet cavitation peening (WJP) on microstructure evolution and corrosion behavior of austenitic stainless steels 316L and 304. The effect of SP, LSP and WJP on corrosion behavior of 316L and 304 were discussed in terms of surface peening–induced change in surface roughness, stress state and grain size. Residual compressive stress and grain refinement were introduced after SP, LSP and WJP treatment in 316L and 304 stainless steels. Superior corrosion resistance can be obtained by WJP compared with SP and LSP. The relationship between SP-, LSP- and WJP-induced change in microstructure and stress state and corrosion resistance was summarized.
Citation: Anti-Corrosion Methods and Materials
PubDate: 2023-03-27
DOI: 10.1108/ACMM-11-2022-2728
Issue No: Vol. ahead-of-print, No. ahead-of-print (2023)
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- Effect of silane on corrosion resistance and aerodynamic performance of
6063 Al alloy inertial air–water separator-
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Authors: Lei Wan, Jian Xu, Yulai Li, Haiou Sun, Tao Zhang
Abstract: The purpose of this paper is to improve the corrosion resistance of anodized 6063 Al alloy inertial air–water separator by means of silane technology and to investigate the effect of corrosion-generated surface roughness changes on aerodynamic performance. The BTSE-KH560 double-layer silane film treatment technique is used to close micropores on the anodic oxide film surface. The microstructure of the coating is observed by scanning electron microscopy, the coating structure of the specimens is determined by X-ray diffraction (XPS) and the corrosion resistance is determined by electrochemical and salt-spray tests. Computational fluid dynamics is also used to calculate the effect of roughness and analyse the change in separator performance. The silane film deposited on the surface of the anodic oxide film acts as a good seal against microporous defects on the surface of the anodic oxide film and reduces the surface roughness. Electrochemical and salt-spray tests show that the silane film improved the corrosion resistance of the anodized film. The roughness produced by the corrosion deteriorates the performance of the separator. The porous structure of the anodized coating makes it easier for corrosive ions to enter the substrate and cause pitting corrosion. Therefore, in this study, the corrosion behaviour of the coating in the marine environment and its effect on aerodynamic performance are investigated using a BTSE-KH560 double-layer silane coating with a sealing effect.
Citation: Anti-Corrosion Methods and Materials
PubDate: 2023-03-14
DOI: 10.1108/ACMM-11-2022-2731
Issue No: Vol. ahead-of-print, No. ahead-of-print (2023)
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- Pitting corrosion of 2A12 aluminum alloy long-scale specimen in simulated
seawater splash zone, dynamic waterline zone and full immersion zone-
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Authors: Yesen Zhu, Taoyong Hu, Yujie Li, Junhua Hao, Bin Han, Quan Yuan
Abstract: The aim of this paper is to construct a device that simulated the seawater splash zone, dynamic waterline zone (splash zone) and full immersion zone. Localized corrosion of 2A12 aluminum alloy long-scale specimen was studied. Corrosion morphologies before and after the corrosion product removal were used to identify corrosion intensity at full seawater immersion zone, dynamic waterline zone (splash zone) and atmospheric zone. The average depth and diameter of corrosion pits in the three zones were evaluated by three-dimensional optical microscopy. The impact of wetting time of the atmospheric zone on the localized corrosion was investigated. Corrosion pits were observed on the surface on day 4 for the wetted atmospheric zone (Case 1), and on the surface on day 8 for the alternant wet/dry atmospheric zone (Case 2). The corrosion product layer on the surface for Case 1 was partially broken down while the layer on the surface for Case 2 was intact. Average pitting depth and pitting diameters for Case 1 were more serious than that for Case 2. The above findings revealed that the humidity of the atmospheric zone had great impact on the localized corrosion of aluminum alloy at the seawater splash zone.
Citation: Anti-Corrosion Methods and Materials
PubDate: 2023-02-28
DOI: 10.1108/ACMM-01-2023-2747
Issue No: Vol. ahead-of-print, No. ahead-of-print (2023)
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- Oxidation behavior of the T91 ferritic/martensitic steel and 304
austenitic stainless steel in supercritical water-
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Authors: Jing Wu, Xuguang An, Hui Wang
Abstract: This study aims to report the oxidation behaviors of the T91 ferritic/martensitic steel (T91 steel) and 304 austenitic stainless steel (304 steel) in supercritical water (SCW) at 600°C. The microstructure, elemental distribution and phase structure of the oxidation layers derived from the corrosion of the T91 steel and 304 steel were analyzed by scanning electron microscopy, Oxford Instrument X-ray spectroscopy, electron scattered diffraction and transmission electron microscopy. The oxidation layers on the T91 steel and 304 steel have duplex structure. The two steels all suffer internal oxidation, and the phase of the internal oxidation layers are indexed as Fe-Cr spinel, although their morphologies are different. The formation of a continuous Cr-rich layer is not detected because of the relatively low Cr content of the steels, which is attributed to the corrosion property. The accelerated corrosion and corrosion mechanism of the T91 steel and 304 steel with low Cr occurring in SCW at 600°C was clarified.
Citation: Anti-Corrosion Methods and Materials
PubDate: 2023-02-20
DOI: 10.1108/ACMM-01-2023-2746
Issue No: Vol. ahead-of-print, No. ahead-of-print (2023)
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- Developing levodopa-modified sol-gel coating with enhanced anticorrosion
performance on Mg alloy AZ31-
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Authors: Jiao Li, Tianshu Li, Jodie A. Yuwono, Guozhe Meng, Zhiyuan Feng
Abstract: This study aims to develop a sol-gel-based coating to provide a long-lasting corrosion protection on AZ31 Mg alloy. Silane-based sol-gel coatings have been successfully applied to Mg alloys for corrosion protection. However, the micro or nano defects formed during condensation and solidification will cause the coating failure during a long-lasting immersion in a saline solution. More durable corrosion-protective sol-gel coatings are needed. A sol-gel-based coating was modified on AZ31 Mg alloy by levodopa (DOPA). The long-lasting corrosion protection mechanism was studied by multiple electrochemical testing methods and surface characterization techniques. Long-term testing by electrochemical impedance spectroscopy in aqueous 0.1 M NaCl indicated that the modified DOPA@sol-gel coating exhibited significant corrosion protection performance (>14 days). In comparison, the DOPA-free sol-gel coating failed only after three days of testing. The improved corrosion protection is attributed to the self-polymerized DOPA filling to the micro or nano defects in the glassy cross-linked networks of the sol-gel coating, which greatly improves the compactness of the coating. The method of this study is simple and easy to process, the raw materials are green and the protective effect is excellent, which is of significance for the study of magnesium alloy corrosion protection.
Citation: Anti-Corrosion Methods and Materials
PubDate: 2023-04-07
DOI: 10.1108/ACMM-03-2023-2765
Issue No: Vol. 70, No. 3 (2023)
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- Corrosion of X80 steel in the co-existence of sulfate reducing bacteria
and permeating hydrogen-
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Authors: Yongxiong Li, Junying Hu, Xiankang Zhong
Abstract: This study aims to shed light on the corrosion behavior of X80 steel when sulfate-reducing bacteria (SRB) and permeating hydrogen interact. In this study, electrochemical tests were conducted between 25 and 55 °C, and the surface morphology of the specimen was observed using scanning electron microscopy and three-dimensional photos. The composition of the oxide film was characterized by X-ray photoelectron spectroscopy (XPS). Under the condition of 6 MPa simulated natural gas (15% H2), the content of S-containing compounds (FeS and FeSO4) in the corrosion products on the surface of the specimen decreases from 60.8% to 54.4%. This finding indicates that hydrogen permeation inhibits the metabolic processes of SRB in this environment. By comparing the hydrogen-uncharged specimen, it was found that under the condition of 6 MPa simulated natural gas (15% H2) hydrogen charging, the uniform corrosion on the X80 surface was weakened, and the protection of the oxide film on the specimen surface in this environment was better than that without hydrogen charging. To the best of the authors’ knowledge, most of these existing studies have focused on the effect of hydrogen on the mechanical properties of materials and very little is known about corrosion behavior in the hydrogen environment. In this study, a self-designed small gas phase hydrogen charging device was used to study the X80 surface corrosion behavior in the environment of the H2-doped natural gas pipeline.
Citation: Anti-Corrosion Methods and Materials
PubDate: 2023-04-06
DOI: 10.1108/ACMM-12-2022-2737
Issue No: Vol. 70, No. 3 (2023)
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