Abstract
Three milling modes have been used for the synthesis of zinc ferrite/iron composite/nanocomposite powders. A partial or total reaction between zinc ferrite and iron (followed by the formation of zinc oxide and iron oxide) appears in the composite compact during Spark Plasma Sintering (SPS), for sintering temperature range of 400 to 550°C. Low sintering temperature led to a good preservation of zinc ferrite and iron when a composite powder obtained in low energetic milling mode was used. The milled powders and sintered compacts were investigated by X-ray diffraction (XRD), differential scanning calorimetry (DSC), scanning electron microscopy, and energy dispersive X-ray spectrometry (EDX). The milling mode and sintering parameters influence on the stability of phases of composite/nanocomposites powder and compacts were investigated and discussed.
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