Nano-sized α and β-TCP powders prepared by high temperature flame spray pyrolysis

Jung Sang Cho, Dae Soo Jung, Jin Man Han, Yun Chan Kang

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Nano-sized α-TCP powders with spherical shape and non-aggregation characteristics were directly prepared by high temperature flame spray pyrolysis from the mixed spray solution of water and ethyl alcohol. The α-TCP powders prepared from the aqueous spray solution without ethyl alcohol had a bimodal size distribution with nanometer and micron sizes. Nano-sized and monodisperse α-TCP powders were prepared when the volume ratio (ethyl alcohol/distilled water, V/V) in the mixed solvent was of 40/60. The mean size of the nano-sized α-TCP powders was 32 nm. The composition ratio of calcium and phosphorous components of the nano-sized α-TCP powders was 1.49. The mean size of the spherical-like powders post-treated at a temperature of 600 °C was 57 nm. The mean size of the powders increased with increasing the post-treatment temperatures. The phase of α-TCP powders prepared by flame spray pyrolysis did not change at post-treatment temperatures below 700 °C. On the other hand, the powders post-treated at temperatures of 800 and 900 °C had single β phase of TCP.

Original languageEnglish
Pages (from-to)1288-1292
Number of pages5
JournalMaterials Science and Engineering C
Volume29
Issue number4
DOIs
Publication statusPublished - 2009 May 5
Externally publishedYes

Fingerprint

Spray pyrolysis
Powders
pyrolysis
sprayers
flames
Temperature
Ethanol
ethyl alcohol
temperature
Water
water
calcium
Calcium
alcohols

Keywords

  • Chemical vapor deposition
  • Flame spray pyrolysis
  • Nano powder
  • Tricalcium phosphate

ASJC Scopus subject areas

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

Cite this

Nano-sized α and β-TCP powders prepared by high temperature flame spray pyrolysis. / Cho, Jung Sang; Jung, Dae Soo; Han, Jin Man; Kang, Yun Chan.

In: Materials Science and Engineering C, Vol. 29, No. 4, 05.05.2009, p. 1288-1292.

Research output: Contribution to journalArticle

Cho, Jung Sang ; Jung, Dae Soo ; Han, Jin Man ; Kang, Yun Chan. / Nano-sized α and β-TCP powders prepared by high temperature flame spray pyrolysis. In: Materials Science and Engineering C. 2009 ; Vol. 29, No. 4. pp. 1288-1292.
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