Titanium alloys with high biological and mechanical biocompatibility

Mitsuo Niinomi

Research output: Contribution to journalReview articlepeer-review

1 Citation (Scopus)


β-type titanium alloys composed of non-toxic and allergy-free elements with low modulus are getting much attention for biomedical applications. The author has developed Ti-29Nb-13Ta-4.6Zr (TNTZ) where Nb, Ta, and Zr are non-toxic and allergy-free are elements showing low Young's modulus. Focusing on TNTZ, biological and mechanical biocompatibility including fatigue characteristics, fretting fatigue characteristics, and wear characteristics, functionalities such as super elastic and shape memory effect, and bioactive surface modification of low modulus titanium alloys with high biological and mechanical biocompatibility for biomedical applications are described.

Original languageEnglish
Pages (from-to)303-311
Number of pages9
JournalFuntai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy
Issue number5
Publication statusPublished - 2008 May


  • Biological biocompatibility
  • Biomedical applications
  • Low modulus
  • Mechanical biocompatibility
  • Titanium alloys

ASJC Scopus subject areas

  • Mechanical Engineering
  • Industrial and Manufacturing Engineering
  • Metals and Alloys
  • Materials Chemistry


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