Calcium phosphate glass coating on titanium alloy by CO 2 laser irradiation

Toshihiro Kasuga, Yuki Hirobe, Mitsuo Niinomi

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

A novel method of preparing a calcium phosphate glass coating on a metallic titanium alloy, Ti-29Nb-13Ta-4.6Zr (TNTZ), was developed by CO 2 laser irradiation. It was difficult to melt 60CaO-30P 2O 5-3TiO 2-7Na 20 (mol%) glass powders dip-coated on TNTZ for joining by the irradiation of 5 W power. After a trace amount of sodium phosphate was dispersed between the glass particles on TNTZ, the CO 2 laser was irradiated to the surface; sodium phosphate was melted by the irradiation to react with the surfaces of the glass particles and with the thin oxide layer on TNTZ, resulting in the formation of a strong calcium phosphate glass coating on the substrate.

Original languageEnglish
Pages (from-to)322-329
Number of pages8
JournalNippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals
Volume70
Issue number4
DOIs
Publication statusPublished - 2006 Apr

Keywords

  • CO laser
  • Calcium phosphate
  • Coating
  • Glass
  • Sodium phosphate
  • Titanium-niobium-tantalum-zirconium alloy

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Metals and Alloys
  • Materials Chemistry

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