Powder metallurgical synthesis of biodegradable Mg-Hydroxyapatite composites for biomedical applications

Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

Authors

  • Cesar Augusto Stüpp
  • Gabor Szakács
  • Chamini Lakshi Mendis
  • Felix Gensch
  • Sören Müller
  • Frank Feyerabend
  • Dachamir Hotza
  • Marcio Celso Fredel
  • Norbert Hort

Magnesium alloys with acceptable or even controllable corrosion rates, where mechanical properties are not significantly modified or worsened, have been increasingly investigated in the last decade for use as biomaterials. This work shows an approach with a magnesium metal matrix composite (Mg-MMC), composed of ZK60 as base material and hydroxyapatite (HA) particles. The composite was produced by mechanical alloying followed by hot extrusion, as HA in contact with molten magnesium releases toxic gases such as phosphine (PH3). This work will present the influence of different amounts of HA on corrosion behaviour and mechanical properties of the investigated composites. Compared to the ZK60 alloy, corrosion is expected to be delayed, without localized corrosion. The mechanical properties are not expected to be compromised with such composite during tissue's healing period.

Original languageEnglish
Title of host publicationMagnesium Technology 2015 - Held During TMS 2015 144th Annual Meeting and Exhibition
EditorsMichele V. Manuel, Alok Singh, Martyn Alderman, Martyn Alderman, Neale R. Neelameggham
Number of pages5
PublisherThe Minerals, Metals & Materials Society
Publication date2015
Pages425-429
ISBN (electronic)9781119082439
DOIs
Publication statusPublished - 2015
Externally publishedYes
Event144th Annual Meeting and Exhibition of Magnesium Technology - TMS 2015 - Orlando, United States
Duration: 15.03.201519.03.2015
Conference number: 144

    Research areas

  • Ball milling, Bio-corrosion, Hydroxyapatite, Mg-MMC
  • Engineering

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