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Microwave-hydrothermal processing of metal powders

Published online by Cambridge University Press:  03 March 2011

Sridhar Komarneni ,
Rajyalakshmi Pidugu ,
Qing Hua Li  and
Rustum Roy
Sridhar Komarneni*
Affiliation:
Intercollege Materials Research Laboratory, The Pennsylvania State University, University Park, Pennsylvania 16802-4801
Rajyalakshmi Pidugu
Affiliation:
Intercollege Materials Research Laboratory, The Pennsylvania State University, University Park, Pennsylvania 16802-4801
Qing Hua Li
Affiliation:
Intercollege Materials Research Laboratory, The Pennsylvania State University, University Park, Pennsylvania 16802-4801
Rustum Roy
Affiliation:
Intercollege Materials Research Laboratory, The Pennsylvania State University, University Park, Pennsylvania 16802-4801
*
a)Also with the Department of Agronomy.
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Abstract

Novel microwave-hydrothermal processing has been developed by us recently for the synthesis of a wide variety of ceramic powders. Herein, we report the use of microwave-hydrothermal processing to synthesize several metal powders such as Cu, Ni, Co, and Ag by reducing their corresponding metal salts or hydroxides with ethylene glycol. Metal powders have been produced extremely rapidly a (few minutes) by microwave catalysis. The kinetics of metal powder synthesis have been increased by at least an order of magnitude by microwave-hydrothermal processing compared to the conventional refluxing process in ethylene glycol at about 195 °C.

Type
Articles
Information
Journal of Materials Research , Volume 10 , Issue 7 , July 1995 , pp. 1687 - 1692
Copyright
Copyright © Materials Research Society 1995

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References

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