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The suspensions of the powder mixture of yttria and alumina were prepared by the aqueous tape casting method. Rodia DP270, Dolapix CE64, citric acid and Dammonium 3008 were used as dispersing agents. The morphologies of the powders and the fracture surface of the green body were observed by scanning electron microscopy (SEM). The zeta potential test was employed to characterize the surface charge...
Yb: Sc 2 O 3 transparent ceramics were fabricated by solid-state reaction and vacuum sintering method. CaO was added as sintering aids by a high energy ball milling. Transparent nearly-fully dense samples were obtained after 1840 °C sintering. Using transmitted-light microscope we get the grain sizes are more than 100 μm. Using spectrophotometer we get the absorption coefficient centered...
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