Effect of Crystalline Calcium Phosphate Coatings Prepared in an Aqueous Solution on Corrosion Resistance of Bioabsorbable Magnesium Alloy

Shin Watanabe; Takeshi Yabutsuka; Shigeomi Takai

doi:10.4028/www.scientific.net/KEM.782.158

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Effect of Crystalline Calcium Phosphate Coatings Prepared in an Aqueous Solution on Corrosion Resistance of Bioabsorbable Magnesium Alloy
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HomeKey Engineering MaterialsKey Engineering Materials Vol. 782Effect of Crystalline Calcium Phosphate Coatings...

Effect of Crystalline Calcium Phosphate Coatings Prepared in an Aqueous Solution on Corrosion Resistance of Bioabsorbable Magnesium Alloy

Abstract:

Bioabsorbable magnesium (Mg) alloy was anodized in 1.0 M NaOH solution. Then the anodized Mg alloy was immersed in an aqueous solution with three times concentration of Ca²⁺ and HPO₄^2- in comparison with those of biological environment to improve its corrosion resistance. The whole surface of Mg alloy was successfully coated with crystalline calcium phosphate (CaP) within 1 day. The CaP coated Mg alloys showed high corrosion resistance in SBF.

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Periodical:

Key Engineering Materials (Volume 782)

Pages:

158-164

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.782.158

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Online since:

October 2018

Authors:

Shin Watanabe, Takeshi Yabutsuka*, Shigeomi Takai

Keywords:

Anodizing, Aqueous Solution Method, Calcium Phosphate Coating, Corrosion Resistance, Magnesium Alloy

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