Characteristics of size controlled hydroxyapatite powders with nanometer size prepared by flame spray pyrolysis

Jung Sang Cho, You Na Ko, Dae Soo Jung, Hee Chan Jang, Man Jong Lee, Yun Chan Kang

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Size controlled hydroxyapatite powders with nanometer sizes were directly prepared by high temperature flame spray pyrolysis. Nanosized hydroxyapatite powders were formed from the evaporated vapors by chemical vapor deposition process. The composition ratio of calcium and phosphorous components was 1.67. The mean size of the hydroxyapatite powders increased from 21 to 81 nm when the concentration of spray solution was changed from 0.05 to 2 mol/L. Sintering of the nanosized hydroxyapatite powders occurred at a temperature of 1000°C, and grain growth increased with increasing the sintering temperatures. The mean grain sizes of the pellets sintered at temperatures of 1200, 1300, and 1400°C were 0.93, 4.9, and 18 μm.

Original languageEnglish
Pages (from-to)1060-1064
Number of pages5
JournalJournal of the Ceramic Society of Japan
Volume117
Issue number1370
DOIs
Publication statusPublished - 2009 Jan 1
Externally publishedYes

Fingerprint

Spray pyrolysis
Durapatite
Hydroxyapatite
Powders
pyrolysis
sprayers
flames
sintering
Sintering
Temperature
Grain growth
pellets
temperature
calcium
Chemical vapor deposition
Calcium
grain size
Vapors
vapor deposition
vapors

Keywords

  • Ceramic powder
  • Hydroxyapatite
  • Spray pyrolysis

ASJC Scopus subject areas

  • Ceramics and Composites
  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

Cite this

Characteristics of size controlled hydroxyapatite powders with nanometer size prepared by flame spray pyrolysis. / Cho, Jung Sang; Ko, You Na; Jung, Dae Soo; Jang, Hee Chan; Lee, Man Jong; Kang, Yun Chan.

In: Journal of the Ceramic Society of Japan, Vol. 117, No. 1370, 01.01.2009, p. 1060-1064.

Research output: Contribution to journalArticle

Cho, Jung Sang ; Ko, You Na ; Jung, Dae Soo ; Jang, Hee Chan ; Lee, Man Jong ; Kang, Yun Chan. / Characteristics of size controlled hydroxyapatite powders with nanometer size prepared by flame spray pyrolysis. In: Journal of the Ceramic Society of Japan. 2009 ; Vol. 117, No. 1370. pp. 1060-1064.
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