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In this work, the pressureless sintering behavior of boron carbide (B 4 C) ceramics with 5–10wt.% Al–Si binary additives was studied, while separate addition of individual elemental Al and Si was also investigated for comparison. Near fully-dense B 4 C ceramics can be prepared at 2150–2250°C when 5–7wt.% of Al–Si with molar ratio of 9:1 is added. In contrast to individual Al and Si,...
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