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Study on Electrochemical Behavior and Corrosion of Materials

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

Deadline for manuscript submissions: 20 October 2025 | Viewed by 421

Special Issue Editors


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Guest Editor
Department of Materials Engineering, Applied Mechanics and Construction, CINTEX, University of Vigo, e-Materiais, 36310 Vigo, Spain
Interests: material characterization; coating; surface engineering; corrosion; aluminum alloys; electrochemistry
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Materials Engineering, Applied Mechanics and Construction, CINTEX, University of Vigo, Encomat, 36310 Vigo, Spain
Interests: aluminum composites; surface modification; FSW; corrosion; electrochemistry

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Guest Editor Assistant
Department of Materials Engineering, Applied Mechanics and Construction, CINTEX, University of Vigo, e-Materiais, 36310 Vigo, Spain
Interests: material characterization; coating; surface engineering; corrosion; aluminum alloys; electrochemistry

Special Issue Information

Dear Colleagues,

Understanding the electrochemical properties of materials is crucial for their proper selection, handling, as well as for extending their service life.

As new materials and manufacturing techniques are developed, it becomes increasingly important to continuously characterize their properties. However, electrochemical characterization often takes a backseat to mechanical characterization, limiting the potential applications of these new materials across various engineering fields due to a lack of data on their electrochemical properties.

By understanding electrochemical processes and applying protective coatings, we can significantly reduce economic losses, decrease raw material consumption, and prevent unnecessary risks associated with failures. Furthermore, advancements in engineering demand materials with specific electrochemical properties, such as those required for catalytic processes or energy production and storage, which must become more efficient to lower costs.

For these reasons, this Special Issue aims to bring together research on advances in electrochemical characterization, corrosion studies and protection, as well as new applications and developments in this field.

Topics of interest include, but are not limited to, the following:

  • Electrochemical characterization of materials;
  • Corrosion kinetics and passivity;
  • Mechanisms and methods of corrosion control;
  • Corrosion inhibitors;
  • Cathodic protection;
  • Protective coatings;
  • Surface pretreatments.

Dr. Raul Figueroa
Prof. Dr. Gloria Pena
Guest Editors

Dr. David Álvarez
Guest Editor Assistant

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 protection
  • coating
  • electrochemical behavior
  • corrosion inhibitors
  • passivation
  • EIS
  • surface modification
  • corrosion control
  • surface pretreatments

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Published Papers (1 paper)

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Research

22 pages, 15244 KiB  
Article
Corrosion Behavior of Shot Peened Ti6Al4V Alloy Fabricated by Conventional and Additive Manufacturing
by Mariusz Walczak, Wojciech Okuniewski, Wojciech J. Nowak, Dariusz Chocyk and Kamil Pasierbiewicz
Materials 2025, 18(10), 2274; https://doi.org/10.3390/ma18102274 - 14 May 2025
Viewed by 259
Abstract
Ti6Al4V titanium alloy is one of the most studied for its properties after additive manufacturing. Due to its widely use in medical applications, its properties are investigated in various aspects of surface layer property improvement and later compared to conventionally manufactured Ti-6Al-4V. In [...] Read more.
Ti6Al4V titanium alloy is one of the most studied for its properties after additive manufacturing. Due to its widely use in medical applications, its properties are investigated in various aspects of surface layer property improvement and later compared to conventionally manufactured Ti-6Al-4V. In this study, the corrosion behavior in a 0.9% NaCl solution of shot peened Ti-6Al-4V prepared using direct metal laser sintering (DMLS) was examined using corrosion electrochemical testing and compared with conventionally forged titanium alloy. Shot peening was performed on previously polished samples and subsequently treated with the CrNi steel shots. Two sets of peening pressure were selected: 0.3 and 0.4 MPa. X-ray diffraction analysis (XRD), X-ray micro-computed tomography (Micro-CT), scanning electron microscope (SEM) tests with roughness and hardness measurements were used to characterize the samples. The conventional samples were characterized by an α + β structure, while the additive samples had an α’ + β martensitic structure. The obtained results indicate that the corrosion resistance of the conventionally forged Ti-6Al-4V alloy was higher than DMLSed Ti-6Al-4V alloy. The lowest corrosion rates were noted for untreated surfaces of CM/ref and DMLS/ref samples and reached 0.041 and 0.070 µA/cm2, respectively. Moreover, the development of the surface has an influence on corrosion behavior. Therefore, increasing pressure results in inferior corrosion resistance. However, better performance for shot peened samples was reported in the low frequency range. This is due to the refinement of the grain acquired after the peening process. All the results obtained, related to the corrosion behavior, were satisfactory enough that the all samples can be characterized as materials suitable for implant applications. Full article
(This article belongs to the Special Issue Study on Electrochemical Behavior and Corrosion of Materials)
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