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Advances in Surface Corrosion Science
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Advances in Surface Corrosion Science

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Corrosion".

Deadline for manuscript submissions: closed (20 March 2023) | Viewed by 6280

Special Issue Editors

Dr. Francisco J. G. Silva

E-Mail Website
Guest Editor
Department of Mechanical Engineering, ISEP–School of Engineering, Polytechnic of Porto, 4200-072 Porto, Portugal
Interests: tribology; coatings; manufacturing processes
Special Issues, Collections and Topics in MDPI journals
Dr. Arnaldo G. Pinto

E-Mail Website
Guest Editor
ISEP – School of Engineering, Polytechnic of Porto, INEGI - Instituto de Ciência e Inovação em Engenharia Mecânica e Engenharia Industrial, 4200-465 Porto, Portugal
Interests: materials; materials selection; processes selection; machining; metallic alloys
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Surfaces are more susceptible to interaction with other elements than bulk phases, easily forming connections with the environment that surrounds them. Oxidation and corrosion phenomena are extremely common and have always been a concern of science. Some factors contribute more actively to these interactions, namely, aggressive environments where these surfaces may be exposed to high temperatures or particularly reactive environments and chemicals. The interaction of these surfaces with the surroundings in extreme conditions has been exhaustively tested, but new needs are constantly emerging, and there are more advanced materials and surface protection techniques that need to be tested. The characterization of surfaces in particularly aggressive environments also needs to be known and properly characterized.

This Special Issue aims to publish high-quality studies that characterize the behavior of different materials and surface coatings when subjected to particularly demanding working conditions. The development of environmentally and economically sustainable surface protection is also one of the main focuses of this Special Issue. All works that characterize the behavior of new materials will be welcome, as well as those describing the characterization of the behavior of surface treatments with a view to minimizing or eliminating corrosion phenomena in a diverse range of environments.

This Special Issue is co-edited by the Assistant Guest Editors Dr. Vitor F. C. Sousa, Dr. Rúben Costa and Dr. Marta Barbosa.

Dr. Francisco J. G. Silva
Dr. Arnaldo G. Pinto
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Materials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • corrosion
  • surfaces
  • surface treatments
  • surface characterization
  • corrosion resistance
  • sustainable surface protection

Published Papers (4 papers)

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Research

16 pages, 7134 KiB  
Article
Erosion–Corrosion Behavior of Friction Stud Welded Joints of X65 Pipelines in Simulated Seawater under Different Flow Rates
by Jie Zhao, Yuqi Feng, Hui Gao, Lei Wang, Xiaoyu Yang and Yanhong Gu
Materials 2023, 16(12), 4326; https://doi.org/10.3390/ma16124326 - 12 Jun 2023
Viewed by 1084
Abstract
In order to study the complex erosion–corrosion mechanism of friction stud welded joints in seawater, experiments were carried out in the mixed solution of 3 wt% sea sand and 3.5% NaCl at flow rates of 0 m/s, 0.2 m/s, 0.4 m/s, and 0.6 [...] Read more.
In order to study the complex erosion–corrosion mechanism of friction stud welded joints in seawater, experiments were carried out in the mixed solution of 3 wt% sea sand and 3.5% NaCl at flow rates of 0 m/s, 0.2 m/s, 0.4 m/s, and 0.6 m/s. The effects of corrosion and erosion–corrosion at different flow rates on materials were compared. The corrosion resistance of X65 friction stud welded joint was studied by electrochemical impedance spectroscopy (EIS) and potentiodynamic polarization (PDP) curves. The corrosion morphology was observed by a scanning electron microscope (SEM), and the corrosion products were analyzed by energy dispersive spectroscopy (EDS) and X-ray diffraction (XRD). The results showed that the corrosion current density decreased first and then increased with the increase in the simulated seawater flow rate, which indicated that the corrosion resistance of the friction stud welded joint increased first and then decreased. The corrosion products are FeOOH (α-FeOOH and γ-FeOOH), and Fe3O4. According to the experimental results, the erosion–corrosion mechanism of friction stud welded joints in seawater environment was predicted. Full article
(This article belongs to the Special Issue Advances in Surface Corrosion Science)
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13 pages, 4701 KiB  
Article
Adsorption Characteristics between Ti Atoms of TiO2(100) and Corrosive Species of CO2-H2S-Cl− System in Oil and Gas Fields
by Shidong Zhu, Ke Wang, Haixia Ma and Pan Dong
Materials 2023, 16(8), 3129; https://doi.org/10.3390/ma16083129 - 16 Apr 2023
Cited by 5 | Viewed by 973
Abstract
The service environment of OCTG (Oil Country Tubular Goods) in oil and gas fields is becoming more and more severe due to the strong affinity between ions or atoms of corrosive species coming from solutions and metal ions or atoms on metals. While [...] Read more.
The service environment of OCTG (Oil Country Tubular Goods) in oil and gas fields is becoming more and more severe due to the strong affinity between ions or atoms of corrosive species coming from solutions and metal ions or atoms on metals. While it is difficult for traditional technologies to accurately analyze the corrosion characteristics of OCTG in CO2-H2S-Cl− systems, it is necessary to study the corrosion-resistant behavior of TC4 (Ti-6Al-4V) alloys based on an atomic or molecular scale. In this paper, the thermodynamic characteristics of the TiO2(100) surface of TC4 alloys in the CO2-H2S-Cl− system were simulated and analyzed by first principles, and the corrosion electrochemical technologies were used to verify the simulation results. The results indicated that all of the best adsorption positions of corrosive ions (Cl−, HS−, S2−, HCO3−, and CO32−) on TiO2(100) surfaces were bridge sites. A forceful charge interaction existed between Cl, S, and O atoms in Cl−, HS−, S2−, HCO3−, CO32−, and Ti atoms in TiO2(100) surfaces after adsorption in a stable state. The charge was transferred from near Ti atoms in TiO2 to near Cl, S, and O atoms in Cl−, HS−, S2−, HCO3−, and CO32−. Electronic orbital hybridization occurred between 3p5 of Cl, 3p4 of S, 2p4 of O, and 3d2 of Ti, which was chemical adsorption. The effect strength of five corrosive ions on the stability of TiO2 passivation film was S2− > CO32− > Cl− > HS− > HCO3−. In addition, the corrosion current density of TC4 alloy in different solutions containing saturated CO2 was as follows: NaCl + Na2S + Na2CO3 > NaCl + Na2S > NaCl + Na2CO3 > NaCl. At the same time, the trends of Rs (solution transfer resistance), Rct (charge transfer resistance), and Rc (ion adsorption double layer resistance) were opposite to the corrosion current density. The corrosion resistance of TiO2 passivation film to corrosive species was weakened owing to the synergistic effect of corrosive species. Severe corrosion resulted, especially pitting corrosion, which further proved the simulation results mentioned above. Thus, this outcome provides the theoretical support to reveal the corrosion resistance mechanism of OCTG and to develop novel corrosion inhibitors in CO2-H2S-Cl− environments. Full article
(This article belongs to the Special Issue Advances in Surface Corrosion Science)
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21 pages, 9681 KiB  
Article
Study of the Chlorine Influence on the Corrosion of Three Steels to Be Used in Water Treatment Municipal Facilities
by Rúben D. F. S. Costa, Marta L. S. Barbosa, Francisco J. G. Silva, Susana R. Sousa, Vitor F. C. Sousa and Bruno O. Ferreira
Materials 2023, 16(6), 2514; https://doi.org/10.3390/ma16062514 - 22 Mar 2023
Cited by 4 | Viewed by 2137
Abstract
Many municipal facilities, such as pools and drinking water treatment facilities, are subject to ongoing maintenance due to the corrosion of their metallic materials caused by chlorine, leading to high costs and a possible risk to public health. A proper study of the [...] Read more.
Many municipal facilities, such as pools and drinking water treatment facilities, are subject to ongoing maintenance due to the corrosion of their metallic materials caused by chlorine, leading to high costs and a possible risk to public health. A proper study of the employed product’s effect could lead to the use of better materials, which significantly increase the lifetime of metallic equipment more attacked by corrosion, through studies evaluating their cost-effectiveness. This paper was carried out with the objective of studying the degradation of some metallic materials (AISI 316L, AISI 321 and Duplex 14462) used in the referred facilities in order to select the one that possessed a better behavior. It was observed that the introduction of some more adequate materials can drastically reduce maintenance operations, with Duplex 14462 showing the best results, ideal for greater chlorine concentrations, followed by AISI 321, which may be employed for components in less contact with chlorine, since it is more easily affordable. Full article
(This article belongs to the Special Issue Advances in Surface Corrosion Science)
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23 pages, 3850 KiB  
Article
The Impact of the Deterioration on Wood by Chlorine: An Experimental Study
by Rúben D. F. S. Costa, Marta L. S. Barbosa, Francisco J. G. Silva, Susana R. Sousa, Arnaldo G. Pinto, Vitor F. C. Sousa and Bruno O. Ferreira
Materials 2023, 16(3), 969; https://doi.org/10.3390/ma16030969 - 20 Jan 2023
Cited by 2 | Viewed by 1477
Abstract
The use of disinfection and cleaning chemicals in several municipal facilities, such as swimming pools and drinking water treatment plants, causes the degradation of various types of wood, which leads to failures in equipment and the corresponding need for maintenance. This degradation creates [...] Read more.
The use of disinfection and cleaning chemicals in several municipal facilities, such as swimming pools and drinking water treatment plants, causes the degradation of various types of wood, which leads to failures in equipment and the corresponding need for maintenance. This degradation creates added costs for municipalities, as well as the closure of certain facilities due to curative or preventive maintenance and, in many cases, public health issues, due to the water being contaminated with deteriorating products. Through a thorough study of the degradation effect on the products, more resistant materials can be found which are able to withstand these adversities and increase the lifespan of wood in regular contact with chemical agents. This is achievable by the determination of the cost-effectiveness of the substitute material to replace these components with alternative ones, with properties that better resist the deterioration effects promoted by aggressive environments. No studies have been found so far strictly focused on this matter. The objective of this study is to evaluate the degradation presented by two types of wood, beech and oak, which are exposed to the action of chlorine in municipal facilities. This degradation varies according to the chlorine content and the materials’ time of contact with the chemical agent, allowing the selection of new materials which will provide an extended lifetime of the components, reducing maintenance drastically, as well as costs for the facilities and the risk to public health. The performed experimental tests have shown that the oak wood has the best results regarding chlorine degradation resistance. Full article
(This article belongs to the Special Issue Advances in Surface Corrosion Science)
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