Changes in anodized titanium surface morphology by virtue of different unipolar DC pulse waveform

Inho Han; Jai Hyuk Choi; Bao Hong Zhao; Hong Koo Baik; In Seop Lee

doi:10.1016/j.surfcoat.2006.07.102

Changes in anodized titanium surface morphology by virtue of different unipolar DC pulse waveform

Inho Han, Jai Hyuk Choi, Bao Hong Zhao, Hong Koo Baik, In Seop Lee

Department of Materials Science and Engineering

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

14 Citations (Scopus)

Abstract

Various unipolar DC pulse waveforms were selected to find the factors for controlling of the anodized titanium surface morphology. The current density, frequency and duty were ranged from 50 mA/cm² to 750 mA/cm², from 100 Hz to 400 Hz and from 10% to 50%, respectively. Increase of duty from 10% to 50% at 100 Hz in 0.1 M KOH provides larger pores - from 0.13 μm to 0.19 μm in average for 50 mA/cm² and 0.15 μm to 0.24 μm for 750 mA/cm². On the other hand increase of frequency from 100 Hz to 400 Hz at 50% duty provides smaller pores - from 0.19 μm to 0.17 μm for 50 mA/cm² and 0.24 μm to 0.17 μm for 750 mA/cm². Both duty and frequency are important factors to control the anodized titanium surface morphology.

Original language	English
Pages (from-to)	5533-5536
Number of pages	4
Journal	Surface and Coatings Technology
Volume	201
Issue number	9-11 SPEC. ISS.
DOIs	https://doi.org/10.1016/j.surfcoat.2006.07.102
Publication status	Published - 2007 Feb 26

Bibliographical note

Funding Information:
This work was supported by a grant (code#: 06K1501-01620) from the Center for Nanostructured Materials Technology under the 21st Century Frontier R&D Program of the Ministry of Science and Technology, Korea.

All Science Journal Classification (ASJC) codes

Chemistry(all)
Condensed Matter Physics
Surfaces and Interfaces
Surfaces, Coatings and Films
Materials Chemistry

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10.1016/j.surfcoat.2006.07.102

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title = "Changes in anodized titanium surface morphology by virtue of different unipolar DC pulse waveform",

abstract = "Various unipolar DC pulse waveforms were selected to find the factors for controlling of the anodized titanium surface morphology. The current density, frequency and duty were ranged from 50 mA/cm2 to 750 mA/cm2, from 100 Hz to 400 Hz and from 10% to 50%, respectively. Increase of duty from 10% to 50% at 100 Hz in 0.1 M KOH provides larger pores - from 0.13 μm to 0.19 μm in average for 50 mA/cm2 and 0.15 μm to 0.24 μm for 750 mA/cm2. On the other hand increase of frequency from 100 Hz to 400 Hz at 50% duty provides smaller pores - from 0.19 μm to 0.17 μm for 50 mA/cm2 and 0.24 μm to 0.17 μm for 750 mA/cm2. Both duty and frequency are important factors to control the anodized titanium surface morphology.",

author = "Inho Han and Choi, {Jai Hyuk} and Zhao, {Bao Hong} and Baik, {Hong Koo} and Lee, {In Seop}",

note = "Funding Information: This work was supported by a grant (code#: 06K1501-01620) from the Center for Nanostructured Materials Technology under the 21st Century Frontier R&D Program of the Ministry of Science and Technology, Korea. ",

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AU - Han, Inho

AU - Choi, Jai Hyuk

AU - Zhao, Bao Hong

AU - Baik, Hong Koo

AU - Lee, In Seop

N1 - Funding Information: This work was supported by a grant (code#: 06K1501-01620) from the Center for Nanostructured Materials Technology under the 21st Century Frontier R&D Program of the Ministry of Science and Technology, Korea.

PY - 2007/2/26

Y1 - 2007/2/26

N2 - Various unipolar DC pulse waveforms were selected to find the factors for controlling of the anodized titanium surface morphology. The current density, frequency and duty were ranged from 50 mA/cm2 to 750 mA/cm2, from 100 Hz to 400 Hz and from 10% to 50%, respectively. Increase of duty from 10% to 50% at 100 Hz in 0.1 M KOH provides larger pores - from 0.13 μm to 0.19 μm in average for 50 mA/cm2 and 0.15 μm to 0.24 μm for 750 mA/cm2. On the other hand increase of frequency from 100 Hz to 400 Hz at 50% duty provides smaller pores - from 0.19 μm to 0.17 μm for 50 mA/cm2 and 0.24 μm to 0.17 μm for 750 mA/cm2. Both duty and frequency are important factors to control the anodized titanium surface morphology.

AB - Various unipolar DC pulse waveforms were selected to find the factors for controlling of the anodized titanium surface morphology. The current density, frequency and duty were ranged from 50 mA/cm2 to 750 mA/cm2, from 100 Hz to 400 Hz and from 10% to 50%, respectively. Increase of duty from 10% to 50% at 100 Hz in 0.1 M KOH provides larger pores - from 0.13 μm to 0.19 μm in average for 50 mA/cm2 and 0.15 μm to 0.24 μm for 750 mA/cm2. On the other hand increase of frequency from 100 Hz to 400 Hz at 50% duty provides smaller pores - from 0.19 μm to 0.17 μm for 50 mA/cm2 and 0.24 μm to 0.17 μm for 750 mA/cm2. Both duty and frequency are important factors to control the anodized titanium surface morphology.

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Changes in anodized titanium surface morphology by virtue of different unipolar DC pulse waveform

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