Effects of chemical and heat treatments on surface characteristics and biocompatibility of titanium-niobium alloys

被引：6
|
作者：
Kuo-Chih Feng [1 ]
En-Yu Wu [1 ]
Yung-Ning Pan [1 ]
Keng-Liang Ou [2 ]
机构：
[1] Natl Taiwan Univ, Dept Mech Engn, Taipei 106, Taiwan
[2] Taipei Med Univ, Grad Inst Oral Sci, Taipei 110, Taiwan
来源：
MATERIALS TRANSACTIONS | 2007年 / 48卷 / 11期
关键词：
biocompatibility; alkali solution-and heat-treatments; titaniunm-niobium alloys; bone-bonding;
D O I：
10.2320/matertrans.MER2007083
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Alkali solution- and heat-treatments were employed to modify the surfaces of Ti-6A1-4V, Ti-40Nb-1 Hf and Ti-30Nb-1Fe-1Hf alloys, and then the surface characteristics and the biocompatibility of the treated alloys were analyzed. The formation of porous surfaces that contain numerous nano-pores and irregular cracks, together with the increase in hydroxyl, TiO2 and Nb2O5 contents in the surface layer of the treated Ti40Nb-1 Wand Ti-30Nb-1 Fe-1Hf alloys, have been found to enhance biocompatibility which was evaluated by the osteoblast cell culture in vitro. In addition, the biocompatibility of both Ti-40Nb-1Hf and Ti-30Nb-1Fe-1Hf alloys are comparable to that of Ti-6A1-4V alloy. Alkali solutionand heat-treatments are believed to enhance bone-bonding ability of both Ti-40Nb-1Hf and Ti-30Nb 1Fe-1Hf alloys, and therefore are useful for surface modification practice.
引用
收藏
页码：2978 / 2985
页数：8
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