期刊
THIN SOLID FILMS
卷 639, 期 -, 页码 22-28出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.tsf.2017.08.023
关键词
Bioactivity; Anodic oxidation; Implant; Titanium alloy; Titanium oxide
类别
资金
- Center for Integrated Nano Technology Support (CINTS), Tohoku University as a program of the Nano technology Platform of the Ministry of Education, Culture, Sports and Technology (MEXT), Japan
- cooperative program of the Cooperative Research and Development Center for Advanced Materials, IMR, Tohoku University
- Grants-in-Aid for Scientific Research [15H04138, 15K10428] Funding Source: KAKEN
The microstructure and surface chemistry of titanium dioxide on TiNbSn alloy, prepared by anodic oxidation in acetic acid electrolytes and subsequent hot water (HW) treatment, have been studied to determine the effect of HW treatment on bioactivity. HW treatment promotes TiO2 formation and photo-induced properties were observed on the anodic oxide. Cross-section energy dispersive spectroscopy analysis of the implanted anodic TiNbSn treated with HW revealed the penetration of the constituent elements of bone, Ca and P, into TiO2, which was attributed to the high bonding strength between the bone and the implanted alloy. It is proposed that the high bioactivity observed as a result of HW treatment can be ascribed to the evolution of a crystallized anodic oxide TiO2, which promotes incorporation of the primary ingredients of a bone in the oxide. (C) 2017 Elsevier B.V. All rights reserved.
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