Difference of wear behavior between Ti-29Nb-13Ta-4.6Zr alloy and Ti-6Al-4V ELI alloy for biomedical applications

Masaaki Nakai; Mitsuo Niinomi; Junko Hieda; Ken Cho; Yoon Seok Lee

doi:10.1002/9781118889879.ch29

Difference of wear behavior between Ti-29Nb-13Ta-4.6Zr alloy and Ti-6Al-4V ELI alloy for biomedical applications

Masaaki Nakai, Mitsuo Niinomi, Junko Hieda, Ken Cho, Yoon Seok Lee

Materials Development Division

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

3 Citations (Scopus)

Abstract

A biomedical β-type titanium, Ti-29Nb-13Ta-4.6Zr alloy (TNTZ), exhibits good biological and mechanical biocompatibilities due to containing non-toxic elements and lower Young's modulus than that of a conventional (α+β)-type titanium alloy, Ti-6A1-4V ELI alloy (Ti64). One of the expected applications for TNTZ is spinal fixation applications. However, screws and rods are contacted each other in this kind of application, while titanium alloys generally exhibit poor wear resistance. Therefore, the wear characteristics of TNTZ and Ti64 were investigated in this study. Balls and discs made of TNTZ and Ti64 were prepared for a ball-on-disc wear test. As the results of microstructural analysis, it was found that the morphologies of wear tracks and debris of TNTZ are different from those of Ti64 because different wear mechanism is predominant in each alloy.

Original language	English
Title of host publication	TMS 2014 - 143rd Annual Meeting and Exhibition, Supplemental Proceedings
Publisher	Minerals, Metals and Materials Society
Pages	217-220
Number of pages	4
ISBN (Print)	9781118889725
DOIs	https://doi.org/10.1002/9781118889879.ch29
Publication status	Published - 2014 Jan 1
Event	143rd Annual Meeting and Exhibition, TMS 2014 - San Diego, CA, United States Duration: 2014 Feb 16 → 2014 Feb 20

Publication series

Name	TMS Annual Meeting

Other

Other	143rd Annual Meeting and Exhibition, TMS 2014
Country	United States
City	San Diego, CA
Period	14/2/16 → 14/2/20

Keywords

Metal-to-metal
Titanium alloy
Wear

ASJC Scopus subject areas

Condensed Matter Physics
Mechanics of Materials
Metals and Alloys

Access to Document

10.1002/9781118889879.ch29

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Nakai, M., Niinomi, M., Hieda, J., Cho, K., & Lee, Y. S. (2014). Difference of wear behavior between Ti-29Nb-13Ta-4.6Zr alloy and Ti-6Al-4V ELI alloy for biomedical applications. In TMS 2014 - 143rd Annual Meeting and Exhibition, Supplemental Proceedings (pp. 217-220). (TMS Annual Meeting). Minerals, Metals and Materials Society. https://doi.org/10.1002/9781118889879.ch29

Difference of wear behavior between Ti-29Nb-13Ta-4.6Zr alloy and Ti-6Al-4V ELI alloy for biomedical applications. / Nakai, Masaaki; Niinomi, Mitsuo; Hieda, Junko; Cho, Ken; Lee, Yoon Seok.

TMS 2014 - 143rd Annual Meeting and Exhibition, Supplemental Proceedings. Minerals, Metals and Materials Society, 2014. p. 217-220 (TMS Annual Meeting).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Nakai, M, Niinomi, M, Hieda, J, Cho, K & Lee, YS 2014, Difference of wear behavior between Ti-29Nb-13Ta-4.6Zr alloy and Ti-6Al-4V ELI alloy for biomedical applications. in TMS 2014 - 143rd Annual Meeting and Exhibition, Supplemental Proceedings. TMS Annual Meeting, Minerals, Metals and Materials Society, pp. 217-220, 143rd Annual Meeting and Exhibition, TMS 2014, San Diego, CA, United States, 14/2/16. https://doi.org/10.1002/9781118889879.ch29

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abstract = "A biomedical β-type titanium, Ti-29Nb-13Ta-4.6Zr alloy (TNTZ), exhibits good biological and mechanical biocompatibilities due to containing non-toxic elements and lower Young's modulus than that of a conventional (α+β)-type titanium alloy, Ti-6A1-4V ELI alloy (Ti64). One of the expected applications for TNTZ is spinal fixation applications. However, screws and rods are contacted each other in this kind of application, while titanium alloys generally exhibit poor wear resistance. Therefore, the wear characteristics of TNTZ and Ti64 were investigated in this study. Balls and discs made of TNTZ and Ti64 were prepared for a ball-on-disc wear test. As the results of microstructural analysis, it was found that the morphologies of wear tracks and debris of TNTZ are different from those of Ti64 because different wear mechanism is predominant in each alloy.",

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AB - A biomedical β-type titanium, Ti-29Nb-13Ta-4.6Zr alloy (TNTZ), exhibits good biological and mechanical biocompatibilities due to containing non-toxic elements and lower Young's modulus than that of a conventional (α+β)-type titanium alloy, Ti-6A1-4V ELI alloy (Ti64). One of the expected applications for TNTZ is spinal fixation applications. However, screws and rods are contacted each other in this kind of application, while titanium alloys generally exhibit poor wear resistance. Therefore, the wear characteristics of TNTZ and Ti64 were investigated in this study. Balls and discs made of TNTZ and Ti64 were prepared for a ball-on-disc wear test. As the results of microstructural analysis, it was found that the morphologies of wear tracks and debris of TNTZ are different from those of Ti64 because different wear mechanism is predominant in each alloy.

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