Biocompatibility of Cold Sprayed Silver-Doped Hydroxyapatite/Titanium Coatings

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Abstract:

The deposition using cold gas dynamic spraying of silver-doped hydroxyapatite (HA-Ag) /Titanium (Ti) composite have been fabricated on Al 6061 substrate. The biocompatibility of the obtained HA-Ag/Ti coatings was studied. The ratios of HA-Ag to Ti in their composite powders were 20:80, 50:50 and 80:20 (weight %). The HA-Ag/Ti coatings were successfully deposited using cold spraying parameters of 13-15 bars under helium gas, temperature of between 300-400°C. The biocompatibility results showed that human osteoblast and RAW cells spread and adhered well on the coating surfaces especially at low concentration of HA-Ag contained.

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19-22

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July 2016

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© 2016 Trans Tech Publications Ltd. All Rights Reserved

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[1] N. Sanpo, Tan Meng Lu, P. Cheang, and K.A. Khor, Antibacterial Property of Cold-Sprayed HA-Ag/PEEK Coating, Journal of Thermal Spray Technology, 18(1) (2009) 10-15.

DOI: 10.1007/s11666-008-9283-0

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