Abstract
In the present paper, a chemical treatment method has been employed to prepare a bioactive layer on the surface of Ti 40Zr 10Cu 34Pd 14Sn 2 bulk glassy alloy. Prior to forming an apatite layer, all samples were dipped in mixed acid (HNO 3 and HF) aqueous solution and boiled in 1.2 M NaOH aqueous solution. Then, they were soaked in simulated body fluid (SBF) to form an apatite layer on the surface. The apatite layer was characterized by X-ray diffraction (XRD), X-ray photoemission spectroscopy (XPS) and environment scanning electron microscopy (ESEM). The results show: a dense and uniform calcium phosphate layer mainly composed of HA and Ca 2P 2O 7 was rapidly deposited on the pre-calcified Ti 40Zr 10Cu 34Pd 14Sn 2 bulk glassy alloy in SBF within 7 days.
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