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      Antibacterial Ti-Mn-Cu alloys for biomedical applications

      Alqattan, Mohammad; Peters, Linda M.; Alshammari, Yousef; Yang, Fei; Bolzoni, Leandro
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      rbaa050.pdf
      Published version, 2.358Mb
      DOI
       10.1093/rb/rbaa050
      Link
       academic.oup.com
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      Alqattan, M., Peters, L., Alshammari, Y., Yang, F., & Bolzoni, L. (2020). Antibacterial Ti-Mn-Cu alloys for biomedical applications. Regenerative Biomaterials. https://doi.org/10.1093/rb/rbaa050
      Permanent Research Commons link: https://hdl.handle.net/10289/14175
      Abstract
      Titanium alloys are common biomedical materials due to their biocompatibility and mechanical performance. However, titanium alloys are expensive and, unless surface treated, generally cannot prevent surgical infections related to bacteria which can damage the integrity of the implant. In this study, new titanium alloys were developed via powder metallurgy and the addition of manganese and copper, respectively, aiming to limit the manufacturing costs and induce new functionality on the materials including antibacterial response. The addition of manganese and copper to titanium significantly changes the behaviour of the Ti-Mn-Cu alloys leading to the successful stabilization of the beta titanium phase, great refinement of the typical lamellar structure, and achievement of materials with low level of porosity. Consequently, it is found that the mechanical performance and the antibacterial efficacy are enhanced by the addition of a higher amount of alloying elements. The manufactured Ti-Mn-Cu alloys fulfil the requirements for structural biomedical implants and have antibacterial response making them potential candidates for permanent medical implants.
      Date
      2020
      Type
      Journal Article
      Publisher
      Oxford University Press (OUP)
      Rights
      © The Author(s) 2020. Published by Oxford University Press.

      This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.
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