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- W1999761769 abstract "Two different powder samples of ZnO with minuscule additives, of Bi<SUB>2</SUB>O<SUB>3</SUB> and Sb<SUB>2</SUB>O<SUB>3</SUB> were prepared through ball milling, in solutions containing deionized water and polyvinyl alcohol (PVA) using zirconia balls. The powder samples were sieved to obtain particle size ranges of ⤠38μm (Z, ZB, ZBS) and ⤠63μm (Z<SUB>1</SUB>, ZB<SUB>1</SUB>, ZBS<SUB>1</SUB>). The sample pellets were sintered at 800â/60mins and 1100â/600mins and their microstructures examined using SEM and X-ray for densification and coarsening kinetics. Grain growths were observed for samples ZB and ZB<SUB>1</SUB> at both temperatures due to the formation of bismuth-rich liquid phase, whereas for ZBS and ZBS<SUB>1</SUB> grains growths were hindered because of the enclosure of spinel phase which pinned grain boundary motion. SEM micrographs show high densities for particle size range of ⤠38μm at both temperatures, while for particle size range of ⤠63μm, densification was highest at 1100â/600mins.The decisive parameters which controlled densification were found to be temperature, sintering time and particle geometry. In the cases where all three parameters were utilized (Z, ZB, ZBS at 1100â/600mins), denser materials were obtained. Also equal masses of representative samples of ZB and ZB<SUB>1</SUB> were seen to be electrically comparable from the nonlinear plot." @default.
- W1999761769 created "2016-06-24" @default.
- W1999761769 creator A5053069780 @default.
- W1999761769 date "2012-12-01" @default.
- W1999761769 modified "2023-09-26" @default.
- W1999761769 title "Comparative Studies of The Effect of Particle Size on the Microstructural Characteristics of Bi<SUB>2</SUB>O<SUB>3</SUB> and Sb<SUB>2</SUB>O<SUB>3</SUB> Additives on Sintered Zno Ceramics" @default.
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- W1999761769 doi "https://doi.org/10.5923/j.materials.20120205.04" @default.
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