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Microwave-assisted synthesis of calcium phosphate nanowhiskers

Published online by Cambridge University Press:  03 March 2011

Sahil Jalota ,
A. Cuneyt Tas  and
Sarit B. Bhaduri
Sahil Jalota
Affiliation:
School of Materials Science and Engineering, Clemson University, Clemson, South Carolina 29634
A. Cuneyt Tas*
Affiliation:
School of Materials Science and Engineering, Clemson University, Clemson, South Carolina 29634
Sarit B. Bhaduri
Affiliation:
School of Materials Science and Engineering, Clemson University, Clemson, South Carolina 29634
*
a)Address all correspondence to this author.e-mail: [email protected]
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Abstract

Calcium phosphate [single-phase hydroxyapatite (HA), single-phase tricalcium phosphate (TCP), and biphasic HA-TCP] nanowhiskers and/or powders were produced by using a novel microwave-assisted “combustion synthesis (auto ignition)/molten salt synthesis” hybrid route. This work is an example of our “synergistic processing” philosophy combining these three technologies while taking advantage of their useful aspects. Aqueous solutions containing NaNO3, Ca(NO3)2·4H2O and KH2PO4 (with or without urea) were irradiated in a household microwave oven for 5 min at 600 watts of power. The as-synthesized precursors were then simply stirred in water at room temperature for 1 h to obtain the nanowhiskers or powders of the desired calcium phosphate bioceramics.

Keywords

WhiskerCalcium phosphateMicrowave heating
Type
Articles
Information
Journal of Materials Research , Volume 19 , Issue 6 , June 2004 , pp. 1876 - 1881
Copyright
Copyright © Materials Research Society 2004

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