• M Ray Chaudhuri

      Articles written in Bulletin of Materials Science

    • Mechanical characterization of microwave sintered zinc oxide

      A K Mukhopadhyay M Ray Chaudhuri A Seal S K Dalui M Banerjee K K Phani

      More Details Abstract Fulltext PDF

      The mechanical characterization of microwave sintered zinc oxide disks is reported. The microwave sintering was done with a specially designed applicator placed in a domestic microwave oven operating at a frequency of 2.45 GHz to a maximum power output of 800 Watt. These samples with a wide variation of density and hence, of open pore volume percentage, were characterized in terms of its elastic modulus determination by ultrasonic time of flight measurement using a 15 MHz transducer. In addition, the load dependence of the microhardness was examined for the range of loads 0.1–20 N. Finally, the fracture toughness data (𝐾IC) was obtained using the indentation technique.

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