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Conference Paper: Characteristics and chemical stability of the bioactive titania layer formed on Ti, Ti-6Al-4V and NiTi SMA through a low temperature oxidation process

TitleCharacteristics and chemical stability of the bioactive titania layer formed on Ti, Ti-6Al-4V and NiTi SMA through a low temperature oxidation process
Authors
KeywordsBioactivity
Biocompatibility
Chemical Stability
Niti Sma
Ti
Ti-6Al-4V
Titanium Oxide
Issue Date2008
PublisherTrans Tech Publications Ltd. The Journal's web site is located at http://www.scitec.ch/1022-6680/
Citation
International Conference on Multifunctional Materials and Structures, Hong Kong, China, 28-31 July, 2008. In Advanced Materials Research, 2008, v. 47-50 PART 2, p. 1403-1406 How to Cite?
AbstractTo improve the biocompatibility and bioactivity of titanium and titanium alloys, a titanium oxide layer was synthesized on Ti, Ti-6Al-4V and NiTi shape memory alloy (SMA) using a H2O2-oxidation and hot water aging technique. The surface of these metals before and after the oxidation treatment was characterized using scanning electron microscopy and energy dispersive X-ray spectroscopy. Because of the synthetic titanium oxide surface layer, the Al and V contents on the surface of as-oxidized Ti-6Al-4V decreased significantly. Similarly, the Ni content on the surface of as-oxidized NiTi SMA was also significantly reduced. Potentiodynamic polarization curves indicated that the synthetic titania layer was more chemically stable than the spontaneous titania film on the metals. Among the three metals, the oxide layer on Ti was the most stable chemically. The in vitro bioactivity of as-oxidized metals was assessed through incubation in simulated body fluid (SBF). Compared to as-oxidized Ti-6Al-4V and NiTi SMA, as-oxidized Ti was the most bioactive. © 2008 Trans Tech Publications.
Persistent Identifierhttp://hdl.handle.net/10722/158994
ISSN
2015 SCImago Journal Rankings: 0.115
References

 

DC FieldValueLanguage
dc.contributor.authorSun, Ten_US
dc.contributor.authorWang, Men_US
dc.date.accessioned2012-08-08T09:05:01Z-
dc.date.available2012-08-08T09:05:01Z-
dc.date.issued2008en_US
dc.identifier.citationInternational Conference on Multifunctional Materials and Structures, Hong Kong, China, 28-31 July, 2008. In Advanced Materials Research, 2008, v. 47-50 PART 2, p. 1403-1406en_US
dc.identifier.issn1022-6680en_US
dc.identifier.urihttp://hdl.handle.net/10722/158994-
dc.description.abstractTo improve the biocompatibility and bioactivity of titanium and titanium alloys, a titanium oxide layer was synthesized on Ti, Ti-6Al-4V and NiTi shape memory alloy (SMA) using a H2O2-oxidation and hot water aging technique. The surface of these metals before and after the oxidation treatment was characterized using scanning electron microscopy and energy dispersive X-ray spectroscopy. Because of the synthetic titanium oxide surface layer, the Al and V contents on the surface of as-oxidized Ti-6Al-4V decreased significantly. Similarly, the Ni content on the surface of as-oxidized NiTi SMA was also significantly reduced. Potentiodynamic polarization curves indicated that the synthetic titania layer was more chemically stable than the spontaneous titania film on the metals. Among the three metals, the oxide layer on Ti was the most stable chemically. The in vitro bioactivity of as-oxidized metals was assessed through incubation in simulated body fluid (SBF). Compared to as-oxidized Ti-6Al-4V and NiTi SMA, as-oxidized Ti was the most bioactive. © 2008 Trans Tech Publications.en_US
dc.languageengen_US
dc.publisherTrans Tech Publications Ltd. The Journal's web site is located at http://www.scitec.ch/1022-6680/en_US
dc.relation.ispartofAdvanced Materials Researchen_US
dc.subjectBioactivityen_US
dc.subjectBiocompatibilityen_US
dc.subjectChemical Stabilityen_US
dc.subjectNiti Smaen_US
dc.subjectTien_US
dc.subjectTi-6Al-4Ven_US
dc.subjectTitanium Oxideen_US
dc.titleCharacteristics and chemical stability of the bioactive titania layer formed on Ti, Ti-6Al-4V and NiTi SMA through a low temperature oxidation processen_US
dc.typeConference_Paperen_US
dc.identifier.emailWang, M:memwang@hku.hken_US
dc.identifier.authorityWang, M=rp00185en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.4028/www.scientific.net/AMR.47-50.1403-
dc.identifier.scopuseid_2-s2.0-56349151995en_US
dc.identifier.hkuros157737-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-56349151995&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume47-50 PART 2en_US
dc.identifier.spage1403en_US
dc.identifier.epage1406en_US
dc.publisher.placeSwitzerlanden_US
dc.identifier.scopusauthoridSun, T=7402922748en_US
dc.identifier.scopusauthoridWang, M=15749714100en_US

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