Porous titanium (Ti) scaffolds by freezing TiH2/camphene slurries

Se Won Yook, Byung Ho Yoon, Hyoun Ee Kim, Young Hag Koh, Yong Sik Kim

Research output: Contribution to journalArticlepeer-review

59 Citations (Scopus)

Abstract

Porous titanium (Ti) scaffolds with interconnected pores were fabricated by freezing titanium hydride (TiH2)/camphene slurries at 33 °C for 24 h, followed by freeze-drying and subsequent heat-treatment at 1300 °C for 2 h in vacuum. All of the fabricated samples revealed highly porous structures having large pores up to 100 μm in size surrounded by Ti metal walls without any secondary phases. When the initial TiH2 content was increased from 15 to 25 vol.%, the porosity was decreased from 63 to 49%, while the compressive strength was significantly improved from 81 to 253 MPa.

Original languageEnglish
Pages (from-to)4506-4508
Number of pages3
JournalMaterials Letters
Volume62
Issue number30
DOIs
Publication statusPublished - 2008 Dec 15
Externally publishedYes

Keywords

  • Bone tissue engineering
  • Freeze casting
  • Porous
  • Scaffold
  • Titanium (Ti)

ASJC Scopus subject areas

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

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