Wear properties of Ti-6Al-4V/Ti-29Nb-13Ta-4.6Zr combination for spinal implants

Yoonseok Lee, Mitsuo Niinomi, Masaaki Nakai, Junko Hieda, Ken Cho

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

The wear mechanisms of a conventional titanium alloy, Ti-6Al-4V extra-low interstitial (Ti64), and a new titanium alloy, Ti-29Nb-13Ta-4.6Zr alloy (TNTZ) were studied to investigate the wear properties of a Ti64/TNTZ combination for spinal fixation devices. Balls and discs made of Ti64 and TNTZ were prepared to be used as wear-test specimens. Frictional wear tests of Ti64 and TNTZ discs were carried out against Ti64 and TNTZ balls in air using a ball-on-disc frictional wear testing system. The wear mechanisms were investigated by analysis of worn surfaces and wear debris using scanning electron microscopy. Volume losses of the TNTZ discs were found to be larger than those of the Ti64 discs, regardless of mating ball. Furthermore, the morphologies of wear tracks and debris were found to be different between TNTZ and Ti64 discs. It is considered that the wear mechanism for a Ti64 disc is oxidative wear, whereas that for a TNTZ disc is delamination wear, regardless of mating ball material.

Original languageEnglish
Title of host publicationTHERMEC 2013 Supplement
PublisherTrans Tech Publications
Pages424-428
Number of pages5
Volume922
ISBN (Print)9783038350743
DOIs
Publication statusPublished - 2014
Externally publishedYes
Event8th International Conference on Processing and Manufacturing of Advanced Materials: Processing, Fabrication, Properties, Applications, THERMEC 2013 - Las Vegas, NV, United States
Duration: Dec 2 2013Dec 6 2013

Publication series

NameAdvanced Materials Research
Volume922
ISSN (Print)10226680

Other

Other8th International Conference on Processing and Manufacturing of Advanced Materials: Processing, Fabrication, Properties, Applications, THERMEC 2013
CountryUnited States
CityLas Vegas, NV
Period12/2/1312/6/13

Fingerprint

Wear of materials
Titanium alloys
Debris
Delamination
Scanning electron microscopy
Testing
Air

Keywords

  • Frictional wear
  • Metallic biomaterial
  • Ti-29Nb-13Ta-4.6Zr
  • Ti-6Al-4V
  • Titanium alloy
  • Wear mechanism

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Lee, Y., Niinomi, M., Nakai, M., Hieda, J., & Cho, K. (2014). Wear properties of Ti-6Al-4V/Ti-29Nb-13Ta-4.6Zr combination for spinal implants. In THERMEC 2013 Supplement (Vol. 922, pp. 424-428). (Advanced Materials Research; Vol. 922). Trans Tech Publications. https://doi.org/10.4028/www.scientific.net/AMR.922.424

Wear properties of Ti-6Al-4V/Ti-29Nb-13Ta-4.6Zr combination for spinal implants. / Lee, Yoonseok; Niinomi, Mitsuo; Nakai, Masaaki; Hieda, Junko; Cho, Ken.

THERMEC 2013 Supplement. Vol. 922 Trans Tech Publications, 2014. p. 424-428 (Advanced Materials Research; Vol. 922).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Lee, Y, Niinomi, M, Nakai, M, Hieda, J & Cho, K 2014, Wear properties of Ti-6Al-4V/Ti-29Nb-13Ta-4.6Zr combination for spinal implants. in THERMEC 2013 Supplement. vol. 922, Advanced Materials Research, vol. 922, Trans Tech Publications, pp. 424-428, 8th International Conference on Processing and Manufacturing of Advanced Materials: Processing, Fabrication, Properties, Applications, THERMEC 2013, Las Vegas, NV, United States, 12/2/13. https://doi.org/10.4028/www.scientific.net/AMR.922.424
Lee Y, Niinomi M, Nakai M, Hieda J, Cho K. Wear properties of Ti-6Al-4V/Ti-29Nb-13Ta-4.6Zr combination for spinal implants. In THERMEC 2013 Supplement. Vol. 922. Trans Tech Publications. 2014. p. 424-428. (Advanced Materials Research). https://doi.org/10.4028/www.scientific.net/AMR.922.424
Lee, Yoonseok ; Niinomi, Mitsuo ; Nakai, Masaaki ; Hieda, Junko ; Cho, Ken. / Wear properties of Ti-6Al-4V/Ti-29Nb-13Ta-4.6Zr combination for spinal implants. THERMEC 2013 Supplement. Vol. 922 Trans Tech Publications, 2014. pp. 424-428 (Advanced Materials Research).
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