Preparation and characterization of bioactive coating without cracks on potous titanium surface

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Abstract

A bioactive coating with no cracks was produced on the porous titanium by alkali-heat treatment. The morphology, element content and phase composition of the coating were analyzed by SEM, XRD and XPS. It is found that a micro-network structure mainly composed of bioactive sodium titanate and rutile covers the interior and exterior of porous titanium cells. And bioactive network without cracks is achievable with a given set of process parameters of the alkaline solution concentration and alkali-heat treatment time. After immersion into the SBF solution for 3 d, a carbonate-hydroxylapatite was detected by XRD on the cell surface of the porous titanium, showing a good compatibility of the porous titanium with bone.

Original languageEnglish
Pages (from-to)1392-1396
Number of pages5
JournalXiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering
Volume43
Issue number6
StatePublished - Jun 2014

Keywords

  • Alkali-heat treatment
  • Apatite
  • Bioactivity
  • Biomaterials
  • Porous titanium

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