Fabrication and Characterization of Various Calcium Phosphate Powders by Ultrasonic Spray Pyrolysis Technique

H.J. Wang; Young Keun Jeong; Kyung Sik Oh; B.H. Kim; Seong Hee Lee; Yong Ho Choa

doi:10.4028/www.scientific.net/KEM.317-318.57

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 317-318Fabrication and Characterization of Various...

Fabrication and Characterization of Various Calcium Phosphate Powders by Ultrasonic Spray Pyrolysis Technique

Abstract:

To overcome the difficulty of preparing the stoichiometric single phase calcium phosphate materials, ultrasonic spray pyrolysis was used to fabricate various calcium phosphates. Effect of the initial Ca/P ratios and pyrolysis temperature were investigated in preparation of single phase materials. Also thermal stability of the obtained powders was estimated with the heat treatment in the air. Crystallinity of the powders was analyzed using XRD and FT-IR. The HAp and β-TCP powders with single phase could be obtained from their stoichiometric Ca/P ratios of 1.50 and 1.67, respectively. These single phase powders with good crystallinity and stoichiometry were stable with respect to heat treatment up to 1000oC. The particle size of these powders would be controlled by the concentration of starting solution.

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Periodical:

Key Engineering Materials (Volumes 317-318)

Pages:

57-60

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.317-318.57

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Online since:

August 2006

Authors:

H.J. Wang, Young Keun Jeong, Kyung Sik Oh, B.H. Kim, Seong Hee Lee, Yong Ho Choa

Keywords:

Hydroxyapatite (HAP), Spray Pyrolysis, Thermal Stability, Tricalcium Phosphate

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