Effect of electro-discharging on formation of biocompatible layer on implant surface

Sung Long Chen, Ming Hong Lin, Chang Chih Chen, Keng Liang Ou

Research output: Contribution to journalArticlepeer-review

38 Citations (Scopus)

Abstract

This investigation elucidates the biocompatibility and microstructural variation of Fe-Al-Mn and electro-discharged Fe-Al-Mn alloys. A recast layer was formed on the alloy surface, following electro-discharged machining. γ-Phase and Fe0.6Mn5.4C2 carbide (κ-carbide) were formed on the recast layer following electro-discharging. The γ-phase and κ-carbide are nanostructures. The nano-(γ-phase + κ-carbide) has important roles in forming nanostructured oxide layer. Furthermore, electro-discharging not only generates a nanostructural recast layer, but also converts the alloy surface into a nanostructured oxide surface, increasing the alloy biocompatibility.

Original languageEnglish
Pages (from-to)413-418
Number of pages6
JournalJournal of Alloys and Compounds
Volume456
Issue number1-2
DOIs
Publication statusPublished - May 29 2008

Keywords

  • Biocompatibility
  • Electro-discharging
  • Fe-Al-Mn
  • Recast layer

ASJC Scopus subject areas

  • Metals and Alloys

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