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Applied Sciences
Special Issues
Corrosion Behavior of Stainless Steels and Single Crystal Superalloys
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Corrosion Behavior of Stainless Steels and Single Crystal Superalloys

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Materials Science and Engineering".

Deadline for manuscript submissions: closed (20 July 2021) | Viewed by 7343

Special Issue Editors

Dr. Rafael Leiva-Garcia

E-Mail Website
Guest Editor
University of Manchester
Interests: corrosion; stress corrosion cracking; electrochemistry; materials characterization
Dr. David Fernando Martelo Guarin

E-Mail
Guest Editor
University of Manchester

Special Issue Information

Dear Colleagues,

Since the appearance of stainless steels during the 1910s and 1920s, the number of applications for these alloys has grown enormously. Today, stainless steels and single crystal superalloys are gaining favor with designers in a plethora of industries, where they are required to meet high mechanical performance and appropriate corrosion resistance. The resistance to corrosion is paramount, as the costs of maintenance and the risk of accidents increase with the uses of alloys in increasingly more demanding environments.

This Special Issue is focused on the use of stainless steels and superalloys in highly demanding environments as well as novel corrosion protection measures to prevent or delay the corrosion process. Topics of interest include corrosion behavior in demanding environments, environmental assisted cracking of alloys, surface modifications, and use of coatings or novel inhibitors.

Dr. Rafael Leiva-Garcia
Dr. David Fernando Martelo Guarin
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. Applied Sciences 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 2400 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

  • stainless steel
  • nickel alloys
  • superalloys
  • localized corrosion
  • passivation
  • environmental-assisted cracking
  • coatings
  • inhibitors

Published Papers (3 papers)

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Research

11 pages, 2236 KiB  
Article
Effect of Severe Plastic Deformation, through Equal-Channel Angular Press Processing, on the Electrochemical Behavior of Al5083 Alloy
by Asiful H. Seikh, Muneer Baig and Ateekh Ur Rehman
Appl. Sci. 2020, 10(21), 7776; https://0-doi-org.brum.beds.ac.uk/10.3390/app10217776 - 03 Nov 2020
Cited by 6 | Viewed by 1725
Abstract
In this study, Al5083 alloy was deformed through equal-channel angular pressing (ECAP) up to three passes. The ECAP was conducted at room temperature in a mold using route C. The microstructure evolution was investigated under optical microscopic observations. The grain size was measured [...] Read more.
In this study, Al5083 alloy was deformed through equal-channel angular pressing (ECAP) up to three passes. The ECAP was conducted at room temperature in a mold using route C. The microstructure evolution was investigated under optical microscopic observations. The grain size was measured using ImageJ software. Grain refinement from 145 µM (as received) to 37 µM (after third pass) was observed due to ECAP. The potentiodynamic polarization of the Al5083 alloy was obtained from a 3.5% sodium chloride solution. Electrochemical impedance spectroscopy was performed in the sodium chloride solution to study the alloy’s surface properties. Scanning electron microscopy and Raman spectroscopy were conducted after obtaining the corrosion performance. As a result, we found that ECAP processing leads to the grain refinement of the alloy, which causes a detrimental effect on the corrosion resistance property. Full article
(This article belongs to the Special Issue Corrosion Behavior of Stainless Steels and Single Crystal Superalloys)
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25 pages, 8120 KiB  
Article
Effect of Alkaline Artificial Seawater Environment on the Corrosion Behaviour of Duplex Stainless Steel 2205
by Tien Tran Thi Thuy, Krishnan Kannoorpatti, Anna Padovan and Suresh Thennadil
Appl. Sci. 2020, 10(15), 5043; https://0-doi-org.brum.beds.ac.uk/10.3390/app10155043 - 22 Jul 2020
Cited by 4 | Viewed by 2530
Abstract
Sulphate reducing bacteria (SRB) can be found in alkaline environments. Due to their metabolite products such as hydrogen sulphide, the corrosion behaviour of materials in alkaline environments may be affected by the presence of SRB. This study focuses on the investigation of corrosion [...] Read more.
Sulphate reducing bacteria (SRB) can be found in alkaline environments. Due to their metabolite products such as hydrogen sulphide, the corrosion behaviour of materials in alkaline environments may be affected by the presence of SRB. This study focuses on the investigation of corrosion behaviour of duplex stainless steel DSS 2205 in nutrient rich artificial seawater containing SRB species, Desulfovibrio vulgaris, at different alkaline conditions with pH range from 7 to 10. The open circuit potential value (OCP), sulphide level and pH were recorded daily. Confocal laser scanning microscopy (CLSM) was used to study the adhesion of SRB on the DSS 2205 surface. Electrochemical impedance spectroscopy (EIS) was used to study the properties of the biofilm. Potentiodynamic polarization was used to study the corrosion behaviour of material. Inductively coupled plasma mass was used to measure the concentration of cations Fe, Ni, Mo, Mn in the experimental solution after 28 days. Scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDS) were used for surface analysis. The results showed that D. vulgaris are active in an alkaline environment with pH 7–9. However, at pH 10, D. vulgaris activity exhibited an 8-day lag. The corrosion rate of DSS 2205 at pH 9 was higher than at other pH environments due to a higher dissolved concentration of hydrogen sulphide. Full article
(This article belongs to the Special Issue Corrosion Behavior of Stainless Steels and Single Crystal Superalloys)
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16 pages, 4944 KiB  
Article
Influence of Chloride Ions on Electrochemical Corrosion Behavior of Dual-Phase Steel over Conventional Rebar in Pore Solution
by Hany S. Abdo, Asiful H. Seikh, Jabair A. Mohammed, Monis Luqman, Sameh A. Ragab and Saud M. Almotairy
Appl. Sci. 2020, 10(13), 4568; https://0-doi-org.brum.beds.ac.uk/10.3390/app10134568 - 30 Jun 2020
Cited by 14 | Viewed by 2532
Abstract
Reinforced steel bars (rebar) are extensively used in construction, and the main challenge is in minimizing corrosion due to oxide or passive layer breakdown. In contrast, dual-phase (DP) steel has good corrosion resistance. This study investigated the effect of Cl− ions on [...] Read more.
Reinforced steel bars (rebar) are extensively used in construction, and the main challenge is in minimizing corrosion due to oxide or passive layer breakdown. In contrast, dual-phase (DP) steel has good corrosion resistance. This study investigated the effect of Cl− ions on the electrochemical corrosion behavior of DP rebar and conventional rebar. Corrosion behavior studies and electrochemical measurements were conducted on DP rebar and conventional rebar in simulated concrete pore solution with different concentrations of Cl− ions. Microstructure analysis, surface morphology analysis, and corroded surface characterization were performed using optical microscopy, field emission scanning electron microscopy, and Raman spectroscopy, respectively. Potentiodynamic polarization and electrochemical impedance spectroscopy measurements revealed that DP rebar has good passivity, leading to better corrosion resistance and greater strength compared to ordinary rebar. In addition, DP rebar showed better passivity behavior compared to conventional rebar in alkaline solution. Therefore, the presence of a dual phase (ferrite and martensite) in reinforced concrete structured steel induces good corrosion resistance. Full article
(This article belongs to the Special Issue Corrosion Behavior of Stainless Steels and Single Crystal Superalloys)
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