Effects of surface functionalization on the nanostructure and biomechanical properties of binary titanium-niobium alloys

Paul Chi-Hsiun Kuo, Hsin Hua Chou, Yun Ho Lin, Pei Wen Peng, Keng Liang Ou, Woan Ruoh Lee

研究成果: 雜誌貢獻文章

9 引文 斯高帕斯(Scopus)

摘要

A porous structural oxide film was formed on titanium-niobium alloys (TiNb) by anodic oxidation after cathodic pretreatment. The effects of titanium hydride compounds on the formation of an oxide film and the structural properties of a TiNb matrix were investigated by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and nano-indentation. The XRD spectra showed that composite films containing TiH 1.924 were formed by cathodic pretreatment and directly dissolved after anodic oxidation. Consequently, a thick and porous oxide surface was formed on a TiNb matrix, thereby increasing the bioactivity of TiNb. Nano-indentation showed that the elastic modulus of TiNb was reduced until it was close to that of bone tissue. These results showed that TiNb subjected to anodic oxidation after cathodic pretreatment had the potential to promote sufficient load sharing between the bone and the TiNb implant.
原文英語
期刊Journal of the Electrochemical Society
159
發行號5
DOIs
出版狀態已發佈 - 2012

ASJC Scopus subject areas

  • Electrochemistry
  • Electronic, Optical and Magnetic Materials
  • Materials Chemistry
  • Surfaces, Coatings and Films
  • Renewable Energy, Sustainability and the Environment
  • Condensed Matter Physics

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