High temperature deformation behavior of a beta titanium alloy for biomedical application

Qing Zhou, Goroh Itoh, Hisashi Hasegawa, Yoshinobu Motohashi, Mitsuo Niinomi

Research output: Contribution to journalConference article

4 Citations (Scopus)

Abstract

The deformation characteristics of a beta-type Ti-29%Nb-13%Ta-5%Zr alloy, developed for biomedical application, and their relation with the microstructure are investigated. The cold-rolled specimen is subjected to a tensile test at high temperatures ranging from 700 to 800°C under a constant cross-head speed ranging from 1×10-4 to 1×10-2s -1. The elongations tested at different temperatures are compared with that of Ti-15%V-3%Cr-3%Sn-3%Al, a typical beta titanium alloy. The deformation mechanism is characterized from the parameter of the strain rate sensitivity. The microstructures before and after the tensile test are observed with optical microscope and the correspondent grain sizes are measured. The grain growth during the deformation is also described.

Original languageEnglish
Pages (from-to)2299-2302
Number of pages4
JournalMaterials Science Forum
Volume475-479
Issue numberIII
DOIs
Publication statusPublished - 2005 Jan 1
Externally publishedYes
EventPRICM 5: The Fifth Pacific Rim International Conference on Advanced Materials and Processing - Beijing, China
Duration: 2004 Nov 22004 Nov 5

Keywords

  • Biomedical application
  • Deformation
  • Grain size
  • β Ti alloy

ASJC Scopus subject areas

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

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