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Title: Silver-zinc oxide electrical contact materials by mechanochemical synthesis route
Authors: Joshi, P B
Rao, V J
Rehani, B R
Pratap, Arun
Keywords: Mechanochemical synthesis;Reactive milling;Nanocomposite powders;Silver-zinc oxide composites
Issue Date: Jan-2007
Publisher: CSIR
IPC Code: H01F41/30
Abstract: Mechanochemical synthesis or reactive milling (RM) is a well-established high-energy milling process for production of a wide range of nanocomposite powders using oxides, carbonates, sulphates or hydroxides as the starting precursors. It ensures chemical reactions such as oxidation/reduction, decomposition or phase transformation in solid-state conditions during room temperature milling, which otherwise require high temperatures. The silver-zinc oxide nanocomposite powders by reactive milling of silver oxide and zinc powder particles have been produced. The resultant Ag-ZnO nanocomposite powders are further processed to bulk solid pieces by conventional powder metallurgy route as electrical contact materials for switchgear applications.
Page(s): 9-15
ISSN: 0019-5596
Appears in Collections:IJPAP Vol.45(01) [January 2007]

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