Mechanochemical Synthesis of Ultrafine ZrO2 Powder

J. Ding, T. Tsuzuki, Paul Mccormick

    Research output: Contribution to journalArticle

    70 Citations (Scopus)


    The synthesis of ultrafine zirconia powders by mechanochemical reaction of ZrCl4 with CaO has been investigated using x-ray diffraction, TEM and DSC measurements. Mechanical milling resulted in a nanoscale mixture of CaO and amorphous ZrCl4, with no evidence of any reaction having occurred. Subsequent heat treatment at temperatures above 300 degrees C resulted in the formation of separated particles of cubic ZrO2, 5-10 nm in diameter, within an CaCl2 matrix. Measurements of the effect of particle size on the crystal structure of ZrO2 are also reported.
    Original languageEnglish
    Pages (from-to)79-81
    JournalNanostructured Materials
    Publication statusPublished - 1997

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