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The directionally solidified Al2O3/MgAl2O4/ZrO2 ternary eutectic ceramic was prepared via induction heating zone melting. Smooth Al2O3/MgAl2O4/ZrO2 eutectic ceramic rods with diameters of 10mm were successfully obtained. The results demonstrate that the eutectic rods consist of Al2O3, MgAl2O4 and ZrO2 phases. In the eutectic microstructure, the MgAl2O4 and Al2O3 phases form the matrix, the ZrO2 phase...
Novel pore-forming agents as well as other starting materials were produced in situ via a solution combustion process and were used to fabricate porous Al 2 O 3 –MgAl 2 O 4 ceramics. The relative fuel-to-oxidant ratios (φ e ) of 1.06, 1.28, 1.49 and 1.70 were achieved by varying the amount of starch in the precursors. Effects of φ e on the weight percent...
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