Duplex Prepared Hydroxyapatite Coating and Its Biocompatibility

Abstract

Abstract: The hydroxyapatite coating was hydrothermally prepared from plasma sprayed CaHPO₄ coating and its
bonding strength and solubility were studied. The osteoblast culture test was also produced in order to examine the biocompatibility of the coating.
The as-sprayed coating consists of CaHPO₄, β-Ca₂P₂O₇ and α-Ca₃(PO₄)₂, and the phase ratio, crystallity and morphology
are dependent on spraying current and stand-off distance. The as-spayed coating can be converted to calcium-deficient hydroxyapatite coating with
needle-like crystals by hydrothermal treatment. The hydrothermally synthesized hydroxyapatite coating having high bonding strength and stability, possesses good
biocompatibility with the osteoblast.

Key words: hydroxyapatite, biocoating, plasma spray, hydrothermal synthesis, cell test

CLC Number:

TQ174
R318

FU Tao,ZHANG Yu-Mei,HAN Yong,XU Ke-Wei. Duplex Prepared Hydroxyapatite Coating and Its Biocompatibility[J]. Journal of Inorganic Materials.

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Duplex Prepared Hydroxyapatite Coating and Its Biocompatibility

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