Progress beyond the state-of-the-art in the field of metallic materials for bioimplant applications

Eva Pellicer, Martina Lorenzetti, Jordina Fornell, Maria Dolors Baró, Sasa Novak, Jordi Sort

Research output: Chapter in BookChapterResearchpeer-review

1 Citation (Scopus)

Abstract

© Springer International Publishing AG 2018. All rights reserved. Metallic materials have attracted the interest from a wide research community including materials scientists, materials engineers, biologists and medical doctors for their use in the biomedical area. Some alloy compositions are already in use in the market but suffer from several shortcomings. For this reason, novel, optimized, non-toxic, biocompatible compositions are being continuously devised. This chapter first reviews and discusses the advantages of bulk metallic glasses (BMGs) for orthopaedic applications, with special emphasis on their mechanical properties. Examples of newly developed permanent Ti-based and biodegradable Mg-based materials are given. In the second part of this chapter, the surface engineering methods currently available to modify the surface of Ti alloys are discussed. The outermost material layer in contact with the surrounding tissue acts as the biointerface and, hence, if appropriately designed, it can provide enhanced mechanical and corrosion resistance to the bioimplant and prevent from ions leaching. Finally, the recent progress on the formation of nanostructured titania coatings by hydrothermal treatment on the surface of Ti-based alloys is analysed.
Original languageEnglish
Title of host publicationBiomaterials in Clinical Practice: Advances in Clinical Research and Medical Devices
Pages25-46
Number of pages21
DOIs
Publication statusPublished - 20 Oct 2017

Keywords

  • Bioimplants
  • Hydrothermal treatment
  • Magnesium alloys
  • Nanostructured coatings
  • Titanium alloys

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