Enhanced corrosion resistance of hydroxyapatite/magnesium-phosphate-composite-coated AZ31 alloy co-deposited by electrodeposition method

Bing Li; Yun Chen; Wei Huang; Wenzhong Yang; Xiaoshuang Yin; Ying Liu

doi:10.1016/j.ceramint.2016.05.090

Enhanced corrosion resistance of hydroxyapatite/magnesium-phosphate-composite-coated AZ31 alloy co-deposited by electrodeposition method

Bing Li, Yun Chen, Wei Huang, Wenzhong Yang, Xiaoshuang Yin, Ying Liu

School of Chemistry and Moleculai Engineering

Nanjing Tech University

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

25 Scopus citations

Abstract

Magnesium-phosphate-doped hydroxyapatite (HAMP, Mg₃(PO₄)₂-Ca₁₀(PO₄)₆(OH)₂) and magnesium-hydrogen-phosphate-doped dicalcium-phosphate-dehydrate (DCPD-MHP, MgHPO₄-CaHPO₄) composite coatings were successfully electrodeposited onto an AZ31 alloy, and their corrosion behaviour was evaluated via electrochemical and in vitro degradation tests. In addition, the stability of the coatings was evaluated via these electrochemical tests. The results showed that the corrosion resistance and stability of the composite coatings were both significantly higher than those of single coatings; this greater resistance and stability resulted from the denser and more uniform structures of the composite coatings.

Original language	English
Pages (from-to)	13074-13085
Number of pages	12
Journal	Ceramics International
Volume	42
Issue number	11
DOIs	https://doi.org/10.1016/j.ceramint.2016.05.090
State	Published - 15 Aug 2016

Keywords

Corrosion behaviour
Corrosion resistance
DCPD-MHP
Electrodeposite
HAMP

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10.1016/j.ceramint.2016.05.090

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title = "Enhanced corrosion resistance of hydroxyapatite/magnesium-phosphate-composite-coated AZ31 alloy co-deposited by electrodeposition method",

abstract = "Magnesium-phosphate-doped hydroxyapatite (HAMP, Mg3(PO4)2-Ca10(PO4)6(OH)2) and magnesium-hydrogen-phosphate-doped dicalcium-phosphate-dehydrate (DCPD-MHP, MgHPO4-CaHPO4) composite coatings were successfully electrodeposited onto an AZ31 alloy, and their corrosion behaviour was evaluated via electrochemical and in vitro degradation tests. In addition, the stability of the coatings was evaluated via these electrochemical tests. The results showed that the corrosion resistance and stability of the composite coatings were both significantly higher than those of single coatings; this greater resistance and stability resulted from the denser and more uniform structures of the composite coatings.",

keywords = "Corrosion behaviour, Corrosion resistance, DCPD-MHP, Electrodeposite, HAMP",

author = "Bing Li and Yun Chen and Wei Huang and Wenzhong Yang and Xiaoshuang Yin and Ying Liu",

note = "Publisher Copyright: {\textcopyright} 2016 Elsevier Ltd and Techna Group S.r.l.",

year = "2016",

month = aug,

day = "15",

doi = "10.1016/j.ceramint.2016.05.090",

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T1 - Enhanced corrosion resistance of hydroxyapatite/magnesium-phosphate-composite-coated AZ31 alloy co-deposited by electrodeposition method

AU - Li, Bing

AU - Chen, Yun

AU - Huang, Wei

AU - Yang, Wenzhong

AU - Yin, Xiaoshuang

AU - Liu, Ying

PY - 2016/8/15

Y1 - 2016/8/15

N2 - Magnesium-phosphate-doped hydroxyapatite (HAMP, Mg3(PO4)2-Ca10(PO4)6(OH)2) and magnesium-hydrogen-phosphate-doped dicalcium-phosphate-dehydrate (DCPD-MHP, MgHPO4-CaHPO4) composite coatings were successfully electrodeposited onto an AZ31 alloy, and their corrosion behaviour was evaluated via electrochemical and in vitro degradation tests. In addition, the stability of the coatings was evaluated via these electrochemical tests. The results showed that the corrosion resistance and stability of the composite coatings were both significantly higher than those of single coatings; this greater resistance and stability resulted from the denser and more uniform structures of the composite coatings.

AB - Magnesium-phosphate-doped hydroxyapatite (HAMP, Mg3(PO4)2-Ca10(PO4)6(OH)2) and magnesium-hydrogen-phosphate-doped dicalcium-phosphate-dehydrate (DCPD-MHP, MgHPO4-CaHPO4) composite coatings were successfully electrodeposited onto an AZ31 alloy, and their corrosion behaviour was evaluated via electrochemical and in vitro degradation tests. In addition, the stability of the coatings was evaluated via these electrochemical tests. The results showed that the corrosion resistance and stability of the composite coatings were both significantly higher than those of single coatings; this greater resistance and stability resulted from the denser and more uniform structures of the composite coatings.

KW - Corrosion behaviour

KW - Corrosion resistance

KW - DCPD-MHP

KW - Electrodeposite

KW - HAMP

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DO - 10.1016/j.ceramint.2016.05.090

M3 - 文章

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VL - 42

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ER -

Enhanced corrosion resistance of hydroxyapatite/magnesium-phosphate-composite-coated AZ31 alloy co-deposited by electrodeposition method

Abstract

Keywords

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