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Proceedings Paper

Nanobioceramics: synthesis, characterization, and applications
Author(s): Khiam Aik Khor; Philip Cheang; Hua Li; R. Kumar
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Paper Abstract

Nanobioceramics based on Hydroxyapatite (HA) and its composites were synthesized using radio frequency (RF) induction suspension plasma spraying with a wet suspension as feedstock. The liquid suspension precursors were axially injected into the RF plasma at various plate powers (plasma energies), chamber pressures, probe distances and plasma gas flow rates. The processed powders varied in size according to the cyclones designed to collect the powders from medium to ultra-fine. The chamber collecting ultra-fine powder contained particles ranging from 10nm to 4μm. This study suggests that the processing parameters associated with the production of the ultra-fine powders interact in a complex manner but can be rationalised by considering the overall thermal treatment experienced by the particulates during plasma treatment.

Paper Details

Date Published: 13 November 2002
PDF: 8 pages
Proc. SPIE 4936, Nano- and Microtechnology: Materials, Processes, Packaging, and Systems, (13 November 2002);
Show Author Affiliations
Khiam Aik Khor, Nanyang Technological Univ. (Singapore)
Philip Cheang, Nanyang Technological Univ. (Singapore)
Hua Li, Nanyang Technological Univ. (Singapore)
R. Kumar, Nanyang Technological Univ. (Singapore)

Published in SPIE Proceedings Vol. 4936:
Nano- and Microtechnology: Materials, Processes, Packaging, and Systems
Dinesh K. Sood; Ajay P. Malshe; Ryutaro Maeda, Editor(s)

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