Characterization and stability of hydroxyapatite coatings prepared by an electrodeposition and alkaline-treatment process

Yong Han; Tao Fu; Jian Lu; Kewei Xu

doi:10.1002/1097-4636(200101)54:1<96::AID-JBM11>3.0.CO;2-U

Characterization and stability of hydroxyapatite coatings prepared by an electrodeposition and alkaline-treatment process

Yong Han
, Tao Fu
, Jian Lu
, Kewei Xu

School of Materials Science and Engineering

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

126 Scopus citations

Abstract

Hydroxyapatite (HA) coatings on titanium alloy substrates were prepared by an alkaline treatment of electrodeposited precursors. The structure, residual stress, and bond strength of the coatings were investigated. Test results showed that the coatings processed in this study exhibited fairly low tensile residual stress, high crystallinity, and were free of an amorphous phase. The bond strength of the coatings increased with the decrease of current density in the range of 0.2-15 mA/cm², and reached 14 MPa at 0.2 mA/cm². Evaluation of the coatings was performed together with the evaluation of the plasma-sprayed HA coatings immersed in distilled water. It was revealed that the dissolution and bond strength degradation of the coatings were much lower than those of the plasma-sprayed HA coatings. (C) 2000 John Wiley and Sons, Inc.

Original language	English
Pages (from-to)	96-101
Number of pages	6
Journal	Journal of Biomedical Materials Research
Volume	54
Issue number	1
DOIs	https://doi.org/10.1002/1097-4636(200101)54:1<96::AID-JBM11>3.0.CO;2-U
State	Published - Jan 2001

Keywords

Alkaline treatment
Bond strength
Electrodeposition
Hydroxyapatite
Residual stress

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10.1002/1097-4636(200101)54:1<96::AID-JBM11>3.0.CO;2-U

Cite this

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abstract = "Hydroxyapatite (HA) coatings on titanium alloy substrates were prepared by an alkaline treatment of electrodeposited precursors. The structure, residual stress, and bond strength of the coatings were investigated. Test results showed that the coatings processed in this study exhibited fairly low tensile residual stress, high crystallinity, and were free of an amorphous phase. The bond strength of the coatings increased with the decrease of current density in the range of 0.2-15 mA/cm2, and reached 14 MPa at 0.2 mA/cm2. Evaluation of the coatings was performed together with the evaluation of the plasma-sprayed HA coatings immersed in distilled water. It was revealed that the dissolution and bond strength degradation of the coatings were much lower than those of the plasma-sprayed HA coatings. (C) 2000 John Wiley and Sons, Inc.",

keywords = "Alkaline treatment, Bond strength, Electrodeposition, Hydroxyapatite, Residual stress",

author = "Yong Han and Tao Fu and Jian Lu and Kewei Xu",

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AU - Han, Yong

AU - Fu, Tao

AU - Lu, Jian

AU - Xu, Kewei

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Y1 - 2001/1

N2 - Hydroxyapatite (HA) coatings on titanium alloy substrates were prepared by an alkaline treatment of electrodeposited precursors. The structure, residual stress, and bond strength of the coatings were investigated. Test results showed that the coatings processed in this study exhibited fairly low tensile residual stress, high crystallinity, and were free of an amorphous phase. The bond strength of the coatings increased with the decrease of current density in the range of 0.2-15 mA/cm2, and reached 14 MPa at 0.2 mA/cm2. Evaluation of the coatings was performed together with the evaluation of the plasma-sprayed HA coatings immersed in distilled water. It was revealed that the dissolution and bond strength degradation of the coatings were much lower than those of the plasma-sprayed HA coatings. (C) 2000 John Wiley and Sons, Inc.

AB - Hydroxyapatite (HA) coatings on titanium alloy substrates were prepared by an alkaline treatment of electrodeposited precursors. The structure, residual stress, and bond strength of the coatings were investigated. Test results showed that the coatings processed in this study exhibited fairly low tensile residual stress, high crystallinity, and were free of an amorphous phase. The bond strength of the coatings increased with the decrease of current density in the range of 0.2-15 mA/cm2, and reached 14 MPa at 0.2 mA/cm2. Evaluation of the coatings was performed together with the evaluation of the plasma-sprayed HA coatings immersed in distilled water. It was revealed that the dissolution and bond strength degradation of the coatings were much lower than those of the plasma-sprayed HA coatings. (C) 2000 John Wiley and Sons, Inc.

KW - Alkaline treatment

KW - Bond strength

KW - Electrodeposition

KW - Hydroxyapatite

KW - Residual stress

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DO - 10.1002/1097-4636(200101)54:1<96::AID-JBM11>3.0.CO;2-U

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Characterization and stability of hydroxyapatite coatings prepared by an electrodeposition and alkaline-treatment process

Abstract

Keywords

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