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Research on Metallic Implant Biomaterials

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

Deadline for manuscript submissions: closed (20 September 2023) | Viewed by 1172

Special Issue Editor

College of Biomedical Engineering, Sichuan University, Chengdu, China
Interests: tissue-inducing biomaterial; osteoinduction biomaterial; 3D printing; surface engineering; bioinspired materials

Special Issue Information

Dear Colleagues,

The use of metallic materials for medical implants has a long history and can be traced back to the 19th century. Currently, metallic implant biomaterials are widely used for orthopedic and cardiovascular applications due to their high mechanical strength and fracture toughness. In medical practice, many patients derive benefits from the application of metallic implants, but there are multiple negative consequences. For nondegradable metals such as titanium and stainless steel, the release of toxic ions from metal implants through corrosion or wear processes often causes inflammatory osteolysis and leads to secondary surgery. Biodegradable metals are desirable alternatives, but there are also limitations that need to be addressed.

Driven by advances in material processing and surface engineering, there has been substantial progress in the development and application of metallic implant biomaterials. More elaborate and versatile metallic implants are emerging. The aim of this Special Issue is to discover and understand the structure-composition-property-performance relationships of metallic implant biomaterials, which will provide references and supporting evidence for subsequent studies and clinical translation of metallic implant biomaterials.

Dr. Bo Yuan
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. 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

  • biomaterials
  • metallic implants
  • medical applications
  • structure-property relationship
  • biological properties

Published Papers (1 paper)

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Research

11 pages, 3571 KiB  
Article
The Effect of Sensitization on the Susceptibility of AISI 316L Biomaterial to Pitting Corrosion
by Viera Zatkalíková, Milan Uhríčik, Lenka Markovičová, Lucia Pastierovičová and Lenka Kuchariková
Materials 2023, 16(16), 5714; https://doi.org/10.3390/ma16165714 - 21 Aug 2023
Viewed by 937
Abstract
Due to the combination of high corrosion resistance and suitable mechanical properties, AISI 316L stainless steel is extensively used as the biomaterial for surgical implants. However, heat exposure in inappropriate temperatures can cause its sensitization accompanied by chromium depletion along the grain boundaries. [...] Read more.
Due to the combination of high corrosion resistance and suitable mechanical properties, AISI 316L stainless steel is extensively used as the biomaterial for surgical implants. However, heat exposure in inappropriate temperatures can cause its sensitization accompanied by chromium depletion along the grain boundaries. This study deals with an assessment of the susceptibility of sensitized AISI 316L biomaterial to pitting under conditions simulating the internal environment of the human body (Hank’s balanced salt solution, 37 ± 0.5 °C). The resistance to pitting corrosion is tested by the potentiodynamic polarization and by the 50-day exposure immersion test. Corrosion damage after the exposure immersion test is evaluated in the specimens’ cross-sections by optical microscope and SEM. Despite passive behavior in potentiodynamic polarization and shallow, slight corrosion damage observed after exposure, the sensitized AISI 316L biomaterial could represent a risk, especially in long-term implantation even after the chemical removal of high-temperature oxides. Full article
(This article belongs to the Special Issue Research on Metallic Implant Biomaterials)
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