Microstructure and phase transition of biocompatible titanium oxide film on titanium by plasma discharging

Chiung Fang Huang, Hsin Chung Cheng, Chung Ming Liu, Chang Chih Chen, Keng Liang Ou

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

This study investigated the feasibility of using oxygen plasma discharging on titanium for forming a biocompatible layer between the bone plate and bone tissue. Plasma discharging formed a nanostructural oxidation layer on the titanium bone plate. The nanostructural oxidation layer revealed oxygen and titanium bonding states following oxygen plasma discharging. A (α → (α + TiO) → (α + TiO + γ-TiO2)) phase transition was observed within the titanium matrix during plasma discharging. This result has never been previously reported. The plasma oxidation with argon pretreatment not only produces titanium oxide layer, but also results in formation of nanostructural titanium oxide phase. Nano-rutile-TiO2 (γ-TiO2) can be enhanced osseointegration of implant such as orthopedic and dental implants. In addition, nano-(TiO + γ-TiO2) phases were formed on the nanostructural oxidation layer by plasma discharging. Formation of a nanostructural rutile-TiO2 on oxidation layer is related with the cell and blood reaction and distribution selectivity, then promoting hemocompatibility and protein binding as well as osseointergration. Therefore, surface oxidation by plasma discharging is thus believed to improve the biocompatibility and tissue healing. Furthermore, plasma discharging not only enhances phase transformation on titanium surface, but also generates a nanostructural oxide layer, improving the bioactivity and hemocompatibility of bone plate.

Original languageEnglish
Pages (from-to)683-688
Number of pages6
JournalJournal of Alloys and Compounds
Volume476
Issue number1-2
DOIs
Publication statusPublished - May 12 2009

Fingerprint

Titanium oxides
Titanium
Oxide films
Phase transitions
Plasmas
Microstructure
Oxidation
Bone
Oxygen
Tissue
Dental prostheses
titanium dioxide
Argon
Orthopedics
Bioactivity
Biocompatibility
Oxides
Blood

Keywords

  • Oxidation
  • Plasma discharging
  • Titanium

ASJC Scopus subject areas

  • Mechanical Engineering
  • Mechanics of Materials
  • Materials Chemistry
  • Metals and Alloys

Cite this

Microstructure and phase transition of biocompatible titanium oxide film on titanium by plasma discharging. / Huang, Chiung Fang; Cheng, Hsin Chung; Liu, Chung Ming; Chen, Chang Chih; Ou, Keng Liang.

In: Journal of Alloys and Compounds, Vol. 476, No. 1-2, 12.05.2009, p. 683-688.

Research output: Contribution to journalArticle

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