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The Formation of Nanocrystallite Bone-Like Apatite on Chemically Treated Ti-24Nd-4Zr-7.9Sn Alloy

Chen, MF; You, C; Li, SJ; Yang, R; Guo, ZX; (2009) The Formation of Nanocrystallite Bone-Like Apatite on Chemically Treated Ti-24Nd-4Zr-7.9Sn Alloy. Presented at: 6th International Conference on Nanoscience and Technology, Beijing, PEOPLES R CHINA.

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Abstract

Ti-24Nd-4Zr-7.9Sn alloy with low elastic modulus and high strength is a great candidate for artificial biomaterials used in orthopedic and dental implants. In order to improve biocompatibility, a biomimetic process was employed to deposit a bone-like apatite nanocrystal coating on alloy. Analysis of the coatings showed that a net-like Na2TiO3 layer with about 100 nm in size was formed on Ti-24Nd-4Zr-7.9Sn treated by NaOH. Consequently, a carbonated apatite nanocrystal coating, namely bone-like apatite, was biomimetically deposited on Na2TiO3 layer, which has similar mineral composition to that of natural bone. The growth mechanism of bone-like layer is also discussed.

Type: Conference item (UNSPECIFIED)
Title: The Formation of Nanocrystallite Bone-Like Apatite on Chemically Treated Ti-24Nd-4Zr-7.9Sn Alloy
Event: 6th International Conference on Nanoscience and Technology
Location: Beijing, PEOPLES R CHINA
Dates: 04 June 2007 - 06 June 2007
DOI: 10.1166/jnn.2009.C122
Keywords: Ti-24Nd-4Zr-7.9Sn Alloy, Alkali Treatment, Bone-Like Apatite Nanocrystal Coating, Biomimetical Deposition, HYDROXYAPATITE COATINGS, TITANIUM, PHASE
UCL classification: UCL > School of BEAMS > Faculty of Maths and Physical Sciences
UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Chemistry
URI: http://discovery.ucl.ac.uk/id/eprint/410586
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