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Transparent ZnAl2O4 ceramics fabricated by spark plasma sintering
2014
Journal of the Ceramic Society of Japan
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Highly transparent zinc aluminate ceramics were fabricated by the solid-state reaction using a spark plasma sintering machine. The sintered body exhibited a microstructure consisting of submicron-sized grains and extremely low porosities. Annealing of the sintered body in air improved the transmission close to the theoretical limit in a wavelength range of 15¯m. The band gap energy estimated from the absorption coefficient was 4.3 eV. The Young's modulus and the bulk modulus measured for the
doi:10.2109/jcersj2.122.784
fatcat:yeej54k66bdpppkwmfcg765xze