Characterization of thermally oxidized Ti6Al7Nb alloy for biological applications

Huseyin Cimenoglu; Onur Meydanoglu; Murat Baydogan; Hakan Bermek; Pinar Huner; E. Sabri Kayali

doi:10.1007/s12540-011-1011-5

Characterization of thermally oxidized Ti6Al7Nb alloy for biological applications

Huseyin Cimenoglu^*, Onur Meydanoglu, Murat Baydogan, Hakan Bermek, Pinar Huner, E. Sabri Kayali

^*Corresponding author for this work

Department of Metallurgical and Materials Engineering

Istanbul Technical University

Research output: Contribution to journal › Article › peer-review

22 Citations (Scopus)

Abstract

Wear and biological performances of a thermally oxidized Ti6Al7Nb alloy were investigated. Thermal oxidation (TO) performed at 600 °C for 60 h in air formed a 0.6 μm thick and relatively rough (having an average surface roughness of 1.1 μm) oxide layer (OL) on the surface. The OL was identified as the rutile form of TiO ₂ and there was an oxygen diffusion zone (ODZ) with an average thickness of 5 μm just beneath it. The applied TO process resulted in more than ten-fold increase in wear resistance in a simulated body fluid (SBF) solution. Additionally, the biological performance was also enhanced as revealed by SBF immersion and cell culture tests.

Original language	English
Pages (from-to)	765-770
Number of pages	6
Journal	Metals and Materials International
Volume	17
Issue number	5
DOIs	https://doi.org/10.1007/s12540-011-1011-5
Publication status	Published - Oct 2011

Funding

The authors greatly acknowledge the support provided by TUBITAK (The Scientific and Technological Research Council of Turkey) under the project no 105M062.

Funders	Funder number
TUBITAK
Türkiye Bilimsel ve Teknolojik Araştirma Kurumu	105M062

Keywords

Biomaterials
Oxidation
Scanning electron microscopy
Surface modification
Wear

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10.1007/s12540-011-1011-5

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abstract = "Wear and biological performances of a thermally oxidized Ti6Al7Nb alloy were investigated. Thermal oxidation (TO) performed at 600 °C for 60 h in air formed a 0.6 μm thick and relatively rough (having an average surface roughness of 1.1 μm) oxide layer (OL) on the surface. The OL was identified as the rutile form of TiO 2 and there was an oxygen diffusion zone (ODZ) with an average thickness of 5 μm just beneath it. The applied TO process resulted in more than ten-fold increase in wear resistance in a simulated body fluid (SBF) solution. Additionally, the biological performance was also enhanced as revealed by SBF immersion and cell culture tests.",

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AU - Cimenoglu, Huseyin

AU - Meydanoglu, Onur

AU - Baydogan, Murat

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AU - Huner, Pinar

AU - Kayali, E. Sabri

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N2 - Wear and biological performances of a thermally oxidized Ti6Al7Nb alloy were investigated. Thermal oxidation (TO) performed at 600 °C for 60 h in air formed a 0.6 μm thick and relatively rough (having an average surface roughness of 1.1 μm) oxide layer (OL) on the surface. The OL was identified as the rutile form of TiO 2 and there was an oxygen diffusion zone (ODZ) with an average thickness of 5 μm just beneath it. The applied TO process resulted in more than ten-fold increase in wear resistance in a simulated body fluid (SBF) solution. Additionally, the biological performance was also enhanced as revealed by SBF immersion and cell culture tests.

AB - Wear and biological performances of a thermally oxidized Ti6Al7Nb alloy were investigated. Thermal oxidation (TO) performed at 600 °C for 60 h in air formed a 0.6 μm thick and relatively rough (having an average surface roughness of 1.1 μm) oxide layer (OL) on the surface. The OL was identified as the rutile form of TiO 2 and there was an oxygen diffusion zone (ODZ) with an average thickness of 5 μm just beneath it. The applied TO process resulted in more than ten-fold increase in wear resistance in a simulated body fluid (SBF) solution. Additionally, the biological performance was also enhanced as revealed by SBF immersion and cell culture tests.

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Characterization of thermally oxidized Ti6Al7Nb alloy for biological applications

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