Evaluation of photocatalytic activity of the tio2 layer formed on ti by thermal oxidation

Takayuki Narushima; Shota Sado; Natsumi Kondo; Kyosuke Ueda

doi:10.1007/978-4-431-55192-8_6

Evaluation of photocatalytic activity of the tio2 layer formed on ti by thermal oxidation

Takayuki Narushima, Shota Sado, Natsumi Kondo, Kyosuke Ueda

ENG - Materials Processing

Research output: Chapter in Book/Report/Conference proceeding › Chapter

2 Citations (Scopus)

Abstract

Two-step thermal oxidation was proposed for Ti and Ti alloys as a surface-treatment process for preparing an anatase-containing TiO² layer. This process consisted of treatment in a CO-containing atmosphere (first step) and subsequent treatment in air (second step). In this chapter, first, the current status of TiO² coating onto Ti and Ti alloys for biomedical applications is reviewed; then our recent work on the phase and microstructure of TiO² layers prepared on commercially pure (CP) Ti, Ti-25mass%Mo alloy, and Ti-25mass%Nb alloy by two-step thermal oxidation is described. The anatase fraction in the TiO² layer was controlled through process parameters such as the second-step temperature. Finally, photocatalytic activity of TiO² layers formed on the Ti and Ti alloys is evaluated, including: results of water contact angle, decomposition of methylene blue, and antibacterial effects.

Original language	English
Title of host publication	Interface Oral Health Science 2014
Subtitle of host publication	Innovative Research on Biosis-Abiosis Intelligent Interface
Publisher	Springer Japan
Pages	65-78
Number of pages	14
ISBN (Electronic)	9784431551928
ISBN (Print)	9784431551256
DOIs	https://doi.org/10.1007/978-4-431-55192-8_6
Publication status	Published - 2015 Jan 1

Keywords

Anatase
Antibacterial activity
Photocatalytic activity
Thermal oxidation
Ti and Ti alloys

ASJC Scopus subject areas

Dentistry(all)
Medicine(all)
Immunology and Microbiology(all)
Biochemistry, Genetics and Molecular Biology(all)

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AU - Sado, Shota

AU - Kondo, Natsumi

AU - Ueda, Kyosuke

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Y1 - 2015/1/1

N2 - Two-step thermal oxidation was proposed for Ti and Ti alloys as a surface-treatment process for preparing an anatase-containing TiO2 layer. This process consisted of treatment in a CO-containing atmosphere (first step) and subsequent treatment in air (second step). In this chapter, first, the current status of TiO2 coating onto Ti and Ti alloys for biomedical applications is reviewed; then our recent work on the phase and microstructure of TiO2 layers prepared on commercially pure (CP) Ti, Ti-25mass%Mo alloy, and Ti-25mass%Nb alloy by two-step thermal oxidation is described. The anatase fraction in the TiO2 layer was controlled through process parameters such as the second-step temperature. Finally, photocatalytic activity of TiO2 layers formed on the Ti and Ti alloys is evaluated, including: results of water contact angle, decomposition of methylene blue, and antibacterial effects.

AB - Two-step thermal oxidation was proposed for Ti and Ti alloys as a surface-treatment process for preparing an anatase-containing TiO2 layer. This process consisted of treatment in a CO-containing atmosphere (first step) and subsequent treatment in air (second step). In this chapter, first, the current status of TiO2 coating onto Ti and Ti alloys for biomedical applications is reviewed; then our recent work on the phase and microstructure of TiO2 layers prepared on commercially pure (CP) Ti, Ti-25mass%Mo alloy, and Ti-25mass%Nb alloy by two-step thermal oxidation is described. The anatase fraction in the TiO2 layer was controlled through process parameters such as the second-step temperature. Finally, photocatalytic activity of TiO2 layers formed on the Ti and Ti alloys is evaluated, including: results of water contact angle, decomposition of methylene blue, and antibacterial effects.

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KW - Photocatalytic activity

KW - Thermal oxidation

KW - Ti and Ti alloys

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BT - Interface Oral Health Science 2014

PB - Springer Japan

ER -

Evaluation of photocatalytic activity of the tio2 layer formed on ti by thermal oxidation

Abstract

Keywords

ASJC Scopus subject areas

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