MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
ISSN-L : 1345-9678
Formation of Hydroxyapatite on Ti-Coated Ti-Zr-Cu-Pd Bulk Metallic Glass
F. X. QinX. M. WangT. WadaG. Q. XieK. AsamiA. Inoue
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2009 Volume 50 Issue 3 Pages 605-609

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Abstract

In this research, Ti coating was conducted on Ti40Zr10Cu36Pd14 bulk metallic glass (BMG) in order to increase the formation rate of hydroxyapatite layer. The formation behavior of bone-like hydroxyapatite on Ti-coated and uncoated Ti40Zr10Cu36Pd14 bulk metallic glasses (BMGs) was studied. The surface morphology of Ti-coated and uncoated Ti40Zr10Cu36Pd14 BMG was investigated by scanning electron microscopy and energy dispersive X-ray spectroscopy. The results revealed that the alkali pretreatment in 5 M NaOH solution at 60°C for 24 h had a beneficial effect on the formation of porous sodium titanate on Ti-coated Ti40Zr10Cu36Pd14 BMG. A bone-like hydroxyapatite layer was able to form on the alkali-treated Ti-coated Ti40Zr10Cu36Pd14 BMG after a short-time immersion in simulated body fluid (SBF). On the contrary, hydroxyapatite formation was not observed on the uncoated Ti40Zr10Cu36Pd14 BMG after the same chemical treatments.

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© 2009 The Japan Institute of Metals and Materials
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