Effect of subsurface deformation on sliding wear behavior of Ti-29Nb-13Ta-4.6Zr alloys for biomedical applications

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

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

Abstract

The wear mechanisms of conventional Ti-6Al-4V extra-low interstitial (Ti64) and the new Ti-29Nb-13Ta-4.6Zr (TNTZ) were studied to investigate the wear properties of Ti64/TNTZ for application in spinal fixation devices. Ti64 and TNTZ balls and discs were first prepared as wear- Test specimens. A ball-on-disc frictional wear- Testing machine was used in air to perform the frictional wear tests of the Ti64 and TNTZ discs mated against Ti64 and TNTZ balls. The wear mechanisms were investigated using a scanning electron microscopy to analyze the worn surfaces and wear debris. The volume losses for the TNTZ discs were larger than those for the Ti64 ones, regardless of the mating ball material. Furthermore, the morphologies of the wear tracks and the debris of the Ti64 and TNTZ discs were different, suggesting that the wear mechanisms for the Ti64 and TNTZ discs were abrasive and delamination wear caused by mild and severe subsurface deformations of the Ti64 and TNTZ, respectively, regardless of the mating ball material.

Original languageEnglish
Title of host publicationAdvanced Ceramics and Novel Processing
PublisherTrans Tech Publications Ltd
Pages270-274
Number of pages5
ISBN (Print)9783038351306
DOIs
Publication statusPublished - Jan 1 2014
Externally publishedYes
Event5th International Symposium on Advanced Ceramics, ISAC 2013 and 3rd International Symposium on Advanced Synthesis and Processing Technology for Materials, ASPT 2013 - Wuhan, China
Duration: Dec 9 2013Dec 12 2013

Publication series

NameKey Engineering Materials
Volume616
ISSN (Print)1013-9826
ISSN (Electronic)1662-9795

Other

Other5th International Symposium on Advanced Ceramics, ISAC 2013 and 3rd International Symposium on Advanced Synthesis and Processing Technology for Materials, ASPT 2013
CountryChina
CityWuhan
Period12/9/1312/12/13

Keywords

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

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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  • Cite this

    Lee, Y. S., Niinomi, M., Nakai, M., Narita, K., Hieda, J., & Cho, K. (2014). Effect of subsurface deformation on sliding wear behavior of Ti-29Nb-13Ta-4.6Zr alloys for biomedical applications. In Advanced Ceramics and Novel Processing (pp. 270-274). (Key Engineering Materials; Vol. 616). Trans Tech Publications Ltd. https://doi.org/10.4028/www.scientific.net/KEM.616.270