Low temperature pressureless sintering of silicon carbide ceramics with alumina–yttria–magnesia-calcia

For cost-effective production of dense silicon carbide (SiC) ceramic parts, pressureless sintering of SiC ceramics at lower temperatures is preferred. This study suggests a new additive composition based on Al2O3–Y2O3–MgO–CaO that leads to successful densification of SiC without applied pressure at...

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