Short communicationSolid-state reaction synthesis of ZrC from zirconium oxide at low temperature

Add time:09/01/2019    Source:sciencedirect.com

Nanocrystalline ZrC has been prepared via a convenient route by the reaction of metallic magnesium powder with zirconium oxide and lithium carbonate in an autoclave at 600 °C. X-ray powder diffraction pattern indicated that the product was cubic zirconium carbide, and the cell constant was a = 4.693 Å. Scanning electron microscopy (SEM) image showed particles with an average size of about 30 nm. The product was also studied by thermogravimetric analysis (TGA). It had good oxidation resistance below 250 °C in air.

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