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Applied Sciences
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Electrochemistry and Corrosion of Materials
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Electrochemistry and Corrosion of Materials

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

Deadline for manuscript submissions: 31 December 2025 | Viewed by 1701

Special Issue Editors

Dr. Rajib Kalsar

E-Mail Website1 Website2
Guest Editor
Pacific Northwest National Laboratory, P.O. Box 999, Richland, WA 99352, USA
Interests: material processing; microstructure; electrochemistry; corrosion; microscopic electrochemistry
Special Issues, Collections and Topics in MDPI journals
Dr. Sridhar Niverty

E-Mail Website
Guest Editor
Pacific Northwest National Laboratory, P.O. Box 999, Richland, WA 99352, USA
Interests: materials processing; electrochemistry; multimodal corrosion; 3D and 4D imaging; environmentally assisted cracking
Dr. Vineet V. Joshi

E-Mail Website1 Website2
Guest Editor
Pacific Northwest National Laboratory, P.O. Box 999, Richland, WA 99352, USA
Interests: material processing; material degradation; multimodal corrosion; electrochemistry; nuclear materials
Special Issues, Collections and Topics in MDPI journals
Dr. Lyndi Strange

E-Mail Website
Guest Editor
Pacific Northwest National Laboratory, P.O. Box 999, Richland, WA 99352, USA
Interests: electrochemistry; corrosion; microscopic electrochemistry

Special Issue Information

Dear Colleagues,

This Special Issue of Applied Sciences is dedicated to the latest research and review articles on electrochemistry and the corrosion of metallic materials. Corrosion causes significant economic damage globally across the transportation, energy, utility and infrastructure sectors, with costs estimated to be in USD trillions annually. By effectively investigating corrosion, we can enhance our understanding of corrosion mechanisms, enabling the scientific community to develop suitable structures, microstructures, coatings and other solutions to mitigate corrosion. Electrochemical methods allow us to measure corrosion at various length scales, from microscopic to macroscopic levels. Additionally, combining electrochemical data across these scales with multiphysics modeling can improve the accuracy of corrosion kinetics predictions and aid in designing corrosion-resistant structural and functional materials.

Dr. Rajib Kalsar
Dr. Sridhar Niverty
Dr. Vineet V. Joshi
Dr. Lyndi Strange
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 250 words) can be sent to the Editorial Office for assessment.

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

  • electrochemistry and material degradation
  • long-term corrosion tests
  • multimodal corrosion measurements
  • microscopic electrochemistry: scanning electrochemical microscopy (SECM) and scanning electrochemical cell microscopy (SECCM)
  • scanning Kelvin probe force microscopy (SKPFM)
  • multiphysics modeling

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Published Papers (2 papers)

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Research

15 pages, 7898 KB  
Article
Effect of Electrochemical Hydrogen Degradation on the Bond Microstructure of Explosively Welded Joints
by Michał Gloc, Piotr Maj and Sylwia Przybysz-Gloc
Appl. Sci. 2025, 15(24), 13139; https://doi.org/10.3390/app152413139 - 14 Dec 2025
Viewed by 28
Abstract
This study investigates hydrogen embrittlement mechanisms at the interfaces of explosively welded joints between 304L austenitic stainless steel and carbon/low-alloy steels (St41k, 15HM), focusing on the unique properties of local melting zones (LMZs) formed during joining. Advanced microstructural characterization, including scanning electron microscopy [...] Read more.
This study investigates hydrogen embrittlement mechanisms at the interfaces of explosively welded joints between 304L austenitic stainless steel and carbon/low-alloy steels (St41k, 15HM), focusing on the unique properties of local melting zones (LMZs) formed during joining. Advanced microstructural characterization, including scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS), and microhardness testing, was combined with controlled electrochemical hydrogen charging. Results demonstrate that while base materials suffered substantial hydrogen-induced degradation—blistering in carbon steels and microcracking in stainless steel—the LMZ exhibited exceptional resistance to hydrogen damage. Compositional analyses revealed that the LMZ possessed intermediate chromium (4.8–8.8 wt.%) and nickel (1.7–3.6 wt.%) contents, reflecting mixing from both plates, and significantly higher microhardness compared to adjacent zones. The superior hydrogen resistance of the LMZ is attributed to their refined microstructure, increased density of hydrogen trapping sites, and non-equilibrium phase composition resulting from rapid solidification. These findings indicate that tailoring the process of the LMZ in clad steel joints can be an effective strategy to mitigate hydrogen embrittlement risks in critical hydrogen infrastructure. Full article
(This article belongs to the Special Issue Electrochemistry and Corrosion of Materials)
17 pages, 4663 KB  
Article
Using Organic Substances as Green Corrosion Inhibitors for Carbon Steel in HCl Solution
by Claudia A. Crișan, Horațiu Vermeșan, Anca Ștefan-Sicoe and Nicoleta Zdrob
Appl. Sci. 2025, 15(18), 9983; https://doi.org/10.3390/app15189983 - 12 Sep 2025
Viewed by 1194
Abstract
Acid pickling is a vital stage in metal manufacturing during which the material is susceptible to corrosion if the process is not appropriately managed. Adding green corrosion inhibitors to the acidic solution used is one solution to this critical problem that the industry [...] Read more.
Acid pickling is a vital stage in metal manufacturing during which the material is susceptible to corrosion if the process is not appropriately managed. Adding green corrosion inhibitors to the acidic solution used is one solution to this critical problem that the industry faces today. This paper examines the application of two organic substances, tea tree essential oil and the expired drug Sinecod, as green corrosion inhibitors for carbon steel in concentrated chlorohydric acid. Corrosion behavior is evaluated using the weight loss method, potentiodynamic polarization, and electrochemical impedance spectroscopy for three inhibitor concentrations (1%, 2%, 3%, and 4%) and a Blank sample. SEM analysis was performed for surface analysis. The mechanism of inhibition was also investigated by fitting the electrochemical data to adsorption isotherms such as the Langmuir and the Freundlich models. The optimum concentration proved to be 4% for both substances, with inhibition efficiencies up to 90% in the case of tea tree essential oil and up to 60% in the case of expired Sinecod, showing that the inhibitor concentration and inhibitor efficiency are directly correlated in this case. The findings of this study show the possibility of using expired pharmaceutical compounds or natural extracts as corrosion inhibitors for the concentration of acid solutions used for industrial processing. Full article
(This article belongs to the Special Issue Electrochemistry and Corrosion of Materials)
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