Adhesion Characterization of Zinc-Substituted Hydroxyapatite Coatings

Marcelo Henrique Prado da Silva; Daniel Navarro da Rocha; Felipe Nobre Moura; Andrea Machado Costa; Luis Henrique Leme Louro

doi:10.4028/www.scientific.net/KEM.720.189

Paper Titles

Mechanical Strength Improvement of Apatite Cement Using Hydroxyapatite/Collagen Nanocomposite
p.167

Bioactivity Treatments for Zirconium and Ti-6Al-4V Alloy by the Function of Apatite Nuclei
p.175

Fabrication of Bioactive Cobalt-Chromium Alloys by Incorporation of Apatite Nuclei
p.180

Apatite Coatings from Ostrich Eggshell and its Bioactivity Assessment
p.185

Adhesion Characterization of Zinc-Substituted Hydroxyapatite Coatings
p.189

Bioactivity Assessment of Calcium Phosphate Coatings
p.193

Temperature Influence on the Calcium Phosphate Coatings by Chemical Method
p.197

Preparation of Hydroxyapatite Honeycomb through Dissolution-Precipitation Reaction under Hydrothermal Condition
p.203

Natural Hydroxyapatite Synthesis from Fish Bones: "Atlantic Bonito" (Sarda sarda)
p.207

HomeKey Engineering MaterialsKey Engineering Materials Vol. 720Adhesion Characterization of Zinc-Substituted...

Adhesion Characterization of Zinc-Substituted Hydroxyapatite Coatings

Abstract:

In this study, hydroxyapatite and Zn-containing hydroxyapatite coatings were produced and characterized with respect to adhesion. The coating technique consists of a two-step hydrothermal process. X-ray diffraction (XRD) analyses showed that, in the first step, the coatings consisted of parascholzite (JCPDS-01-086-2372), a mixture of parascholzite and monetite (JCPDS-01-071-1759), or parascholzite and brushite (JCPDS-72-0713), depending on Zn concentration in the precursor solution. The second step consisted of an alkali conversion in a KOH solution. The final coating was identified as pure hydroxyapatite (HA) or Zn-doped hydroxyapatite, depending on the precursor solution Zn content. Scratch tests on the pure HA coatings showed higher adhesion, when compared to Zn-substituted HA coatings.

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Periodical:

Key Engineering Materials (Volume 720)

Pages:

189-192

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.720.189

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Online since:

November 2016

Authors:

Marcelo Henrique Prado da Silva*, Daniel Navarro da Rocha, Felipe Nobre Moura, Andrea Machado Costa, Luis Henrique Leme Louro

Keywords:

Adhesion, Coating, Hydroxyapatite, Scractch Test, Zn

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References

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