• M Banerjee

      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

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      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.

    • Mechanical properties of very thin cover slip glass disk

      A Seal A K Dalui M Banerjee A K Mukhopadhyay K K Phani

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      The biaxial flexural strength, Young’s modulus, Vicker’s microhardness and fracture toughness data for very thin, commercial, soda-lime-silica cover slip glass (diameter, D-18 mm, thickness, T-0 3 mm; T/D ≈ 0.02) are reported here. The ball on ring biaxial flexure tests were conducted at room temperature as a function of the support ring diameter (≈10–20 mm) and cross head speed (0.1–10 mm min–1). In addition, the Weibull modulus data were also determined. The Young’s modulus data was measured using a linear variable differential transformer (LVDT) from biaxial flexure tests and was checked out to be comparable to the data obtained independently from the ultrasonic time of flight measurement using a 15 MHz transducer. The microhardness data was obtained for the applied load range of 0.1–20 N. The fracture toughness (𝐾IC) data was obtained by the indentation technique at an applied load of 20 N.

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