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

Kuo Chih Feng; En Yu Wu; Yung Ning Pan; Keng Liang Ou

doi:10.2320/matertrans.MER2007083

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

Kuo Chih Feng, En Yu Wu, Yung Ning Pan, Keng Liang Ou

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

Alkali solution- and heat-treatments were employed to modify the surfaces of Ti-6A1-4V, Ti-40Nb-1Hf and Ti-30Nb-1 Fe-1 Hf 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 Nb ₂O₅ contents in the surface layer of the treated Ti-40Nb-1Hf and Ti-30Nb-1Fe-1 Hf 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-6Al-4V alloy. Alkali solution-and 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.

Original language	English
Pages (from-to)	2978-2985
Number of pages	8
Journal	Materials Transactions
Volume	48
Issue number	11
DOIs	https://doi.org/10.2320/matertrans.MER2007083
Publication status	Published - Nov 2007

Keywords

Alkali solution- and heat-treatments
Biocompatibility
Bone-bonding
Titanium-niobium alloys

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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title = "Effects of chemical and heat treatments on surface characteristics and biocompatibility of titanium-niobium alloys",

abstract = "Alkali solution- and heat-treatments were employed to modify the surfaces of Ti-6A1-4V, Ti-40Nb-1Hf and Ti-30Nb-1 Fe-1 Hf 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 Nb 2O5 contents in the surface layer of the treated Ti-40Nb-1Hf and Ti-30Nb-1Fe-1 Hf 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-6Al-4V alloy. Alkali solution-and 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.",

keywords = "Alkali solution- and heat-treatments, Biocompatibility, Bone-bonding, Titanium-niobium alloys",

author = "Feng, {Kuo Chih} and Wu, {En Yu} and Pan, {Yung Ning} and Ou, {Keng Liang}",

year = "2007",

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doi = "10.2320/matertrans.MER2007083",

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T1 - Effects of chemical and heat treatments on surface characteristics and biocompatibility of titanium-niobium alloys

AU - Feng, Kuo Chih

AU - Wu, En Yu

AU - Pan, Yung Ning

AU - Ou, Keng Liang

PY - 2007/11

Y1 - 2007/11

N2 - Alkali solution- and heat-treatments were employed to modify the surfaces of Ti-6A1-4V, Ti-40Nb-1Hf and Ti-30Nb-1 Fe-1 Hf 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 Nb 2O5 contents in the surface layer of the treated Ti-40Nb-1Hf and Ti-30Nb-1Fe-1 Hf 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-6Al-4V alloy. Alkali solution-and 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.

AB - Alkali solution- and heat-treatments were employed to modify the surfaces of Ti-6A1-4V, Ti-40Nb-1Hf and Ti-30Nb-1 Fe-1 Hf 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 Nb 2O5 contents in the surface layer of the treated Ti-40Nb-1Hf and Ti-30Nb-1Fe-1 Hf 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-6Al-4V alloy. Alkali solution-and 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.

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KW - Titanium-niobium alloys

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