Microstructural modification in a beta titanium alloy for implant applications

Tsing Zhou, Goroh Itoh, Yoshinobu Motohashi, Mitsuo Niinomi

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

A recently developed beta titanium alloy, Ti-29-13, for biomedical applications has been subjected to microstructure examination and tensile test. Band structure is observed both in the as-received and cold-rolled specimens. By EDX in SEM, the band structure is confirmed to originate from the segregation of beta stabilizer. Thermomechanical processings consisting of repeated solution treatment, water quenching and cold-rolling are performed to reduce the segregation. The considerable reduction of the band structure is found in the processed specimen. The elongation at high temperature of the processed specimen is larger than that of the cold-rolled specimen although no difference in the strain rate sensitivity is confirmed between them.

Original languageEnglish
Pages (from-to)90-95
Number of pages6
JournalMaterials Transactions
Volume47
Issue number1
DOIs
Publication statusPublished - 2006 Jan

Keywords

  • Beta titanium alloy
  • Biomaterial
  • Deformation
  • High temperature
  • Segregation

ASJC Scopus subject areas

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

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