Hydroxyapatite coating on titanium substrate with titania buffer layer processed by sol–gel method

Kim, Hae Won; Koh, Young Hag; Li, Long Hao; Lee, Sook; Kim, Hyoun Ee

doi:10.1016/j.biomaterials.2003.09.041

Cited by 368 publications

(223 citation statements)

References 20 publications

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“…Kim et al [131] deposited hydroxyapatite on titanium by means of a titania (TiO 2 ) buffer layer using the sol-gel method. The HA layer showed a typical apatite phase at 400 8C.…”

Section: Titania/hydroxyapatite Composite Coatingsmentioning

confidence: 99%

Surface modification of titanium, titanium alloys, and related materials for biomedical applications

Liu

Chu

Ding

2004

Materials Science and Engineering: R: Reports

3,032

1,477

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Titanium and titanium alloys are widely used in biomedical devices and components, especially as hard tissue replacements as well as in cardiac and cardiovascular applications, because of their desirable properties, such as relatively low modulus, good fatigue strength, formability, machinability, corrosion resistance, and biocompatibility. However, titanium and its alloys cannot meet all of the clinical requirements. Therefore, in order to improve the biological, chemical, and mechanical properties, surface modification is often performed. This article reviews the various surface modification technologies pertaining to titanium and titanium alloys including mechanical treatment, thermal spraying, sol-gel, chemical and electrochemical treatment, and ion implantation from the perspective of biomedical engineering. Recent work has shown that the wear resistance, corrosion resistance, and biological properties of titanium and titanium alloys can be improved selectively using the appropriate surface treatment techniques while the desirable bulk attributes of the materials are retained. The proper surface treatment expands the use of titanium and titanium alloys in the biomedical fields. Some of the recent applications are also discussed in this paper. #

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“…Kim et al [131] deposited hydroxyapatite on titanium by means of a titania (TiO 2 ) buffer layer using the sol-gel method. The HA layer showed a typical apatite phase at 400 8C.…”

Section: Titania/hydroxyapatite Composite Coatingsmentioning

confidence: 99%

Surface modification of titanium, titanium alloys, and related materials for biomedical applications

Liu

Chu

Ding

2004

Materials Science and Engineering: R: Reports

3,032

1,477

View full text Add to dashboard Cite

show abstract

“…The formation of hydroxyapatite is normally used to evaluate the bioactivity of metallic implants, because apatite is chemically similar to the mineral components of bones, thus supporting bone ingrowths. [11][12][13][14][15][16][17][18][19] A simple chemical and thermal two-step treatment method has been widely used, because the bone-like apatite can form in biomimetic solutions, which can be realized on the conventional alloys. 11,12) Accordingly, the two-step chemical treatment method is chosen to be applied on Ti 40 Zr 10 -Cu 36 Pd 14 and Ti-coated Ti 40 Zr 10 Cu 36 Pd 14 BMGs to investigate the formation of bone-like hydroxyapatite.…”

Section: Resultsmentioning

confidence: 99%

Formation of Hydroxyapatite on Ti-Coated Ti-Zr-Cu-Pd Bulk Metallic Glass

et al. 2009

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In this research, Ti coating was conducted on Ti 40 Zr 10 Cu 36 Pd 14 bulk metallic glass (BMG) in order to increase the formation rate of hydroxyapatite layer. The formation behavior of bone-like hydroxyapatite on Ti-coated and uncoated Ti 40 Zr 10 Cu 36 Pd 14 bulk metallic glasses (BMGs) was studied. The surface morphology of Ti-coated and uncoated Ti 40 Zr 10 Cu 36 Pd 14 BMG was investigated by scanning electron microscopy and energy dispersive X-ray spectroscopy. The results revealed that the alkali pretreatment in 5 M NaOH solution at 60 C for 24 h had a beneficial effect on the formation of porous sodium titanate on Ti-coated Ti 40 Zr 10 Cu 36 Pd 14 BMG. A bone-like hydroxyapatite layer was able to form on the alkali-treated Ti-coated Ti 40 Zr 10 Cu 36 Pd 14 BMG after a short-time immersion in simulated body fluid (SBF). On the contrary, hydroxyapatite formation was not observed on the uncoated Ti 40 Zr 10 Cu 36 Pd 14 BMG after the same chemical treatments.

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“…14. On the (110) rutile surface, looking along [1][2][3][4][5][6][7][8][9][10], a 20 nm layer with the same orientation of hydroxylapatite has grown over the whole nucleation surface. From the inserted FFT, taken from that layer, the 112HA and 202HA are seen, and it can be concluded that [001] HA is oriented parallel to the substrate surface.…”

Section: Surface and Interface Analysis Of Biomimetic Ha Deposition Omentioning

confidence: 99%

“…These ionic substitutions are considered to play an important role for the formation and properties of bone. Hydroxyapatite coatings can be produced by different methods [10][11][12][13][14][15][16][17][18][19]. Early attempts used plasma spraying, which however resulted in coatings with adhesion problems.…”

Section: Introductionmentioning

confidence: 99%

Biomimetic Hydroxyapatite Deposition on Titanium Oxide Surfaces for Biomedical Application

Xia¹,

Lindahl²,

Lausmaa³

et al. 2011

Advances in Biomimetics

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Hydroxyapatite coating on titanium substrate with titania buffer layer processed by sol–gel method

Cited by 368 publications

References 20 publications

Surface modification of titanium, titanium alloys, and related materials for biomedical applications

Surface modification of titanium, titanium alloys, and related materials for biomedical applications

Formation of Hydroxyapatite on Ti-Coated Ti-Zr-Cu-Pd Bulk Metallic Glass

Biomimetic Hydroxyapatite Deposition on Titanium Oxide Surfaces for Biomedical Application

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