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Metals
Special Issues
Surface Treatment of Alloys for Biomedical Application
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Surface Treatment of Alloys for Biomedical Application

A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Biobased and Biodegradable Metals".

Deadline for manuscript submissions: closed (10 September 2024) | Viewed by 1691

Special Issue Editors

Prof. Dr. Paulo Soares

E-Mail Website
Guest Editor
Mechanical Engineering, Pontifical Catholic University of Parana, Curitiba 80215-901, Brazil
Interests: surface engineering; biomaterials; coatings; antibacterial; tribocorrosion; mechanical properties
Prof. Dr. Pedro A. P. Nascente

E-Mail Website
Guest Editor
Center for Exact Sciences and Technology (CCET), Federal University of São Carlos (UFSCar), São Carlos 13565-905, Brazil
Interests: materials science and engineering; surface engineering; applied surface science; thin films; coatings

Special Issue Information

Dear Colleagues,

Metallic biomaterials have been widely used as load-bearing implants and internal fixation devices because of their excellent mechanical strength and resilience. The selection of suitable biomaterials depends on their properties, which include biocompatibility, bio-functionality, tribological properties, mechanical properties and surface bioactivity. Titanium (Ti), magnesium (Mg) and their alloys are some of the most widely used materials in the medical field due to their excellent mechanical properties, chemical stability and good biocompatibility.

The stability of metallic implants plays an important role in the clinical performance of medical implants. Significant advances in this field have a close relationship with medicine, biomaterials, numerical simulation, biomaterial preparation and characterization, surface biofunctionalization of metallic implants, etc. It is very important to continue researching not only the effect of metals and alloys on biological tissue but also of tissues on metal surfaces. The surface modification of metal alloys can change the surface physical and chemical properties, which, in turn, influences the surface compatibility and bioactivity.

This Special Issue aims to focus mainly on alloys for biomedical applications and show readers the most up-to-date research on composition design and surface modifications in the development of metal biomaterials.

Prof. Dr. Paulo Soares
Prof. Dr. Pedro A. P. Nascente
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. Metals 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 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

  • alloys
  • biomedical
  • bio-degradable
  • surface treatment
  • microstructure
  • corrosion
  • mechanical properties

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Published Papers (1 paper)

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Research

19 pages, 6943 KiB  
Article
Surface Modification of Diatomite-Based Micro-Arc Coatings for Magnesium Implants Using a Low-Energy High-Current Electron Beam Processing Technique
by Mariya B. Sedelnikova, Alexander D. Kashin, Olga V. Bakina, Pavel V. Uvarkin, Nikita A. Luginin, Yurii P. Sharkeev, Margarita A. Khimich, Olga V. Kazmina, Edgar S. Dvilis and Konstantin V. Ivanov
Metals 2024, 14(2), 248; https://doi.org/10.3390/met14020248 - 18 Feb 2024
Viewed by 1274
Abstract
The present study showcases a novel effective technique for the surface modification of micro-arc diatomite coatings using low-energy, high-current electron beams (LEHCEBs). A variety of methods such as scanning electron microscopy, energy-dispersive X-ray spectroscopy, the X-ray diffraction method, scratch testing, the potentiodynamic polarization [...] Read more.
The present study showcases a novel effective technique for the surface modification of micro-arc diatomite coatings using low-energy, high-current electron beams (LEHCEBs). A variety of methods such as scanning electron microscopy, energy-dispersive X-ray spectroscopy, the X-ray diffraction method, scratch testing, the potentiodynamic polarization method, immersion testing in SBF, and flow cytometry have been used to study the coatings. During processing, the electron beams’ energy density ranged between 2.5–7.5 J/cm2. After the LEHCEB treatment, the surface morphology of the coatings changed completely. The corrosion resistance of the LEHCEB-treated coated samples increased significantly, as evidenced by the decrease in corrosion current to 4.6 × 10−10 A·cm−2 and the increase in polarization resistance to 1.4 × 108 Ω·cm2. The electron beam treatment also increased the adhesion strength of the coatings to the magnesium substrate by 1.8–2.5 times compared to untreated coatings. Additionally, biological studies have shown the high viability of the NIH/3T3 cell line after contact with the samples of the coating extracts. Full article
(This article belongs to the Special Issue Surface Treatment of Alloys for Biomedical Application)
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