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Crystals
Special Issues
Corrosion and Oxidation of Alloys
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Corrosion and Oxidation of Alloys

A special issue of Crystals (ISSN 2073-4352). This special issue belongs to the section "Crystalline Metals and Alloys".

Deadline for manuscript submissions: closed (11 January 2024) | Viewed by 6735

Special Issue Editors

Dr. Luntao Wang

E-Mail Website
Guest Editor
Institute for Corrosion and Multiphase Technology, Ohio University, Athens, OH, USA
Interests: corrosion; oxidation; alloys; surface analysis; coatings
Dr. Baojie Dou

E-Mail Website
Guest Editor
Department of Materials Science and Engineering, Sichuan University of Science & Engineering, Zigong, China
Interests: corrosion; electrochemistry; advanced functional coating
Dr. Xuejie Li

E-Mail Website
Guest Editor
Department of Chemistry, Western University, London, ON, Canada
Interests: high entropy alloy; corrosion; oxidation
Dr. Zhongyu Cui

E-Mail Website
Guest Editor
School of Materials Science and Engineering, Ocean University of China, Qingdao 266100, China
Interests: stress corrosion; hydrogen embrittlement; corrosion mechanism
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Traditional alloys, such as stainless steels, nickel alloys, aluminium alloys, etc., are used extensively in high-tech and industrial fields such as the aerospace, energy power, manufacturing and petrochemical industry. However, the alloys in service are unavoidably subject to deterioration, either by corrosion at room temperature or by oxidation at high temperature. This deterioration is a highly dangerous and costly issue and has a major impact on the economies of industrial nations; thus, understanding the corrosion and oxidation properties of alloys is of enormous practical importance.

In recent years, several innovative alloys (e.g., high entropy alloys, additive manufacturing alloys, superalloys and refractory alloys) possessing excellent mechanical performance have been developed, but the corrosion and oxidation properties of these innovative alloys remain unknown and urgently need to be explored.

This Special Issue of Crystals aims to present the recent progress and advances regarding the corrosion and oxidation behaviour of both traditional and innovative alloy materials. Full-length articles and review papers related to all aspects of the corrosion and oxidation of alloys are welcome to contribute to this Special Issue.

Dr. Luntao Wang
Dr. Baojie Dou
Dr. Xuejie Li
Dr. Zhongyu Cui
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. Crystals is an international peer-reviewed open access monthly 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 2100 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 mechanisms
  • high-temperature oxidation
  • corrosion of innovative alloys
  • degradation of traditional alloys
  • surface analysis techniques to study corrosion

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Published Papers (3 papers)

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Research

19 pages, 19008 KiB  
Article
Effect of Sulphate-Reducing Bacteria Activity on the Performance of Thermally Sprayed Aluminium and Polyurethane Coatings
by Iñigo Santos-Pereda, Virginia Madina, Elena Rodriguez, Jean-Baptiste Jorcin and Esther Acha
Crystals 2024, 14(3), 260; https://doi.org/10.3390/cryst14030260 - 6 Mar 2024
Viewed by 1329
Abstract
In the present work, we studied whether the exposure of synthetic seawater with anaerobic sulphate-reducing bacteria (SRB) on some steel samples generates a bacterial biofilm in their surfaces. Bare steel belonging to a mooring chain as well as two coating systems applied on [...] Read more.
In the present work, we studied whether the exposure of synthetic seawater with anaerobic sulphate-reducing bacteria (SRB) on some steel samples generates a bacterial biofilm in their surfaces. Bare steel belonging to a mooring chain as well as two coating systems applied on the steel surface were studied: polyurethane (PU) and thermally sprayed aluminium (TSA) with and without an epoxy-based sealant. After 30 days of immersion in SRB-inoculated synthetic seawater, a bacterial count was attained, and the samples were observed using scanning electron microscopy (SEM) and locally analysed using X-ray scattered energy spectroscopy (EDS). A biofilm developed on every tested surface (continuous or in the form of pustules), with evidence of metabolic activity of the SRB. Finally, a mechanism of degradation for TSA in the presence of SRB is proposed for environments with a high concentration of bacteria. Full article
(This article belongs to the Special Issue Corrosion and Oxidation of Alloys)
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14 pages, 5943 KiB  
Article
Flow-Assisted Corrosion of Carbon Steel in Simulated Nuclear Plant Steam Generator Conditions
by Iva Betova, Martin Bojinov and Vasil Karastoyanov
Crystals 2023, 13(7), 1115; https://doi.org/10.3390/cryst13071115 - 17 Jul 2023
Cited by 3 | Viewed by 1633
Abstract
Flow-assisted corrosion occurs via increased dissolution and/or mechanical degradation of protective oxide formed on the surface of construction materials in direct contact with coolant liquids. In the present paper, this phenomenon is studied on carbon steel in an ammonia-ethanolamine-hydrazine electrolyte by in situ [...] Read more.
Flow-assisted corrosion occurs via increased dissolution and/or mechanical degradation of protective oxide formed on the surface of construction materials in direct contact with coolant liquids. In the present paper, this phenomenon is studied on carbon steel in an ammonia-ethanolamine-hydrazine electrolyte by in situ electrochemical impedance spectroscopy in conditions that closely simulate those that prevail in nuclear plant steam generators. Based on the obtained results, a quantitative kinetic model of the process is proposed and parameterized by nonlinear regression of experimental data to the respective transfer function. On the basis of the experimental and calculational results, it is concluded that flow-assisted corrosion of carbon steel is limited by oxide dissolution and cation ejection processes and the protective layer–coolant interface. Expressions for the film growth and corrosion release processes are proposed and successfully compared to operational data. Full article
(This article belongs to the Special Issue Corrosion and Oxidation of Alloys)
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19 pages, 10976 KiB  
Article
Effects of Different CO2 Concentrations and Degradation Media on Static Corrosion of Commercially Pure Zinc
by Souhila Ould Mohamed, Sofia Gambaro, Ana Laura Ramirez-Ledesma, Carlo Paternoster and Diego Mantovani
Crystals 2023, 13(5), 753; https://doi.org/10.3390/cryst13050753 - 1 May 2023
Cited by 2 | Viewed by 2619
Abstract
Zn alloys have lately captivated the attention of the scientific community as possible materials for cardiovascular applications, showing a corrosion behavior and mechanical properties in between of those of Mg and Fe alloys. To better understand the different aspects of the interaction of [...] Read more.
Zn alloys have lately captivated the attention of the scientific community as possible materials for cardiovascular applications, showing a corrosion behavior and mechanical properties in between of those of Mg and Fe alloys. To better understand the different aspects of the interaction of Zn with body fluids, the basic corrosion pattern and the degradation products’ formation were investigated considering the effect of CO2 amount in the atmosphere and different pseudo-physiological media; that is Hanks’ balanced salt (HSS), Dulbecco’s phosphate-buffered saline (PSS) and physiological saline solution (NSS), through a 14-day static immersion study. A mixed degradation layer mainly composed of ZnO with Zn3(PO4)2·4H2O and Zn(CO3)2 precipitates was found on surfaces immersed in both HSS and PSS, independently of the atmosphere, while a ZnO/ZnCl2 layer was found on the surface immersed in NSS, which also revealed the higher corrosion rate due to the effect of Cl− ions. Samples tested under a CO2-rich atmosphere showed a more compact passivating layer, higher dimensions crystals and less cavities when tested in HSS, PSS and NSS, respectively. Full article
(This article belongs to the Special Issue Corrosion and Oxidation of Alloys)
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