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Silicon carbide compacts containing various α contents and 7 wt.% of Y 2 O 3 and Al 2 O 3 (weight ratio 60:40) were hot-pressed and isothermally annealed at 1950<space> o C to study the coarsening behavior of SiC grains and the crystallization of the grain-boundary glass phase. The samples which were prepared from the powder compacts containing small amounts...
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