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- W2380302649 abstract "This research adopted slip casting to produce ZnO ceramics with additives of Al 2O 3,Cr 2O 3,Fe 2O 3, La 2O 3 to alter its electrical properties. The effects of these additives on the electrical properties of ZnO ceramics were explored. The experimental results show that PMMA is an excellent dispersant for preparing aqueous suspension of zinc oxide powder. When the amount of the dispersant was about 0.3 wt%, the ZnO aqueous suspension with low viscosity and high solid volume content could be obtained. The additives content affected the resistivity and resistance-temperature properties. When the amount of Al 2O 3 increased, the resistivity of ZnO ceramics decreased and then increased after Al 2O 3 content reached 0.5 wt%. The Cr 2O 3 addition caused a reverse consequence. The resistivity of ZnO ceramics increased and then decreased after Cr 2O 3 content reached 1.5 wt%, whilst the resistivity increased with increasing Fe 2O 3,La 2O 3 content. The ZnO ceramics produced had a negative resistance-temperature properties. The ceramics with additives of Al 2O 3,La 2O 3 had a linear resistance-temperature properties." @default.
- W2380302649 created "2016-06-24" @default.
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- W2380302649 date "2004-01-01" @default.
- W2380302649 modified "2023-09-23" @default.
- W2380302649 title "Study of Preparation and Electrical Properties for ZnO Ceramics" @default.
- W2380302649 hasPublicationYear "2004" @default.
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