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Surfaces
Special Issues
Surface Treatments to Improve the Corrosion Resistance of Metals
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Surface Treatments to Improve the Corrosion Resistance of Metals

A special issue of Surfaces (ISSN 2571-9637).

Deadline for manuscript submissions: 30 April 2024 | Viewed by 1365

Special Issue Editor

Dr. Roberto Giovanardi

E-Mail Website
Guest Editor
Department of Engineering ‘Enzo Ferrari’, University of Modena and Reggio Emilia, Via Vivarelli 10, 41125 Modena, Italy
Interests: applied electrochemistry; corrosion; anodizing; galvanic coatings; stainless steels

Special Issue Information

Dear Colleagues,

Surface treatments have been applied to materials to increase their properties of durability and corrosion resistance since ancient times; one of the first examples dates back to the time of the ancient Egyptians, when the gold plating applied (mechanically) to the sarcophagi was used to preserve their aesthetic characteristics over time, improving the durability of the underlying material. Even if this cannot properly be considered a treatment to improve corrosion resistance (since the substrate in this case was not a metal) it’s still a good example of how a surface treatment could considerably increase some properties (aesthetics and durability) of the substrate. Today the variety of surface treatments applied to metallic materials to improve their corrosion resistance is so wide to offer an almost unlimited number of possibilities; the best known are the coatings, which thanks to the combination of applied material (metallic, ceramic or polymeric), thickness (from few nanometers of the conversion layers to hundreds of microns of thick coatings) and technology used (thermal, chemical, physical or electrochemical) offer a wide range of possibilities. Besides to coatings, diffusion treatments, passivation and surface functionalization are also possible, making the panorama extremely varied.

In this Special Issue, we wish to cover the most recent advances in all these kind of surface treatments developed to improve the corrosion resistance of metals, by hosting a mix of original research articles and short critical reviews.

Dr. Roberto Giovanardi
Guest Editor

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. Surfaces is an international peer-reviewed open access quarterly 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 1600 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 resistance
  • Coating
  • Surface treatment

Published Papers (1 paper)

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Research

21 pages, 16235 KiB  
Article
Performance and Surface Modification of Cast Iron Corrosion Products by a Green Rust Converter (Mimosa tenuiflora Extract)
by David Enrique Arceo-Gómez, Javier Reyes-Trujeque, Patricia Balderas-Hernández, Andrés Carmona-Hernández, Araceli Espinoza-Vázquez, Ricardo Galván-Martínez and Ricardo Orozco-Cruz
Surfaces 2024, 7(1), 143-163; https://doi.org/10.3390/surfaces7010010 - 13 Mar 2024
Viewed by 849
Abstract
One of the alternative materials used for conducting conservation treatment of iron artifacts is the rust converter, since it generates barrier properties and more stable oxides. The protective properties and surface modifications from using Mimosa tenuiflora extract as a green rust converter on [...] Read more.
One of the alternative materials used for conducting conservation treatment of iron artifacts is the rust converter, since it generates barrier properties and more stable oxides. The protective properties and surface modifications from using Mimosa tenuiflora extract as a green rust converter on a gray iron oxide layer were studied. The surface characterization was carried out using a Scanning Electron Microscope coupled to an energy-dispersive X-ray spectrometer (SEM-EDS), along with infrared spectroscopy (IR), Raman spectroscopy, X-ray Diffraction (XRD), and Water Contact Angle (WCA). Electrochemical characterization was performed with an Electrochemical Impedance Spectroscope (EIS) using 3.5 wt.% NaCl as the electrolyte. According to the results of the Raman spectroscopy and XRD, the layer of corrosion products formed after 90 days in the atmosphere was composed of goethite, lepidocrocite, maghemite, hematite, and magnetite. The surface of the corrosion products was transformed with the rust converter into an amorphous and microcracked layer. By IR, the Fe-O and C-O-Fe bonds associated with the iron chelate were found with absorption bands at 1540 and 1567 cm−1, respectively. By XRD, a modification of the magnetite crystallinity was observed. Finally, the Water Contact Angle and the protective capacity of the corrosion products were improved by the presence of the rust converter. Full article
(This article belongs to the Special Issue Surface Treatments to Improve the Corrosion Resistance of Metals)
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