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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. In: JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY. (pp. 1214 - 1217). AMER SCIENTIFIC PUBLISHERS

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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:Proceedings paper
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:2007-06-04 - 2007-06-06
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 > Chemistry

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