Institutul National pentru Cercetare si Dezvoltare in Ingineria Electrica ICPE CA

Bucharest, Romania

Institutul National pentru Cercetare si Dezvoltare in Ingineria Electrica ICPE CA

Bucharest, Romania
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Albu F.,Institutul National pentru Cercetare si Dezvoltare in Ingineria Electrica ICPE CA | Seitan C.,Institutul National pentru Cercetare si Dezvoltare in Ingineria Electrica ICPE CA | Tardei C.,Institutul National pentru Cercetare si Dezvoltare in Ingineria Electrica ICPE CA | Tsakiris V.,Institutul National pentru Cercetare si Dezvoltare in Ingineria Electrica ICPE CA | Velciu G.,Institutul National pentru Cercetare si Dezvoltare in Ingineria Electrica ICPE CA
Revista Romana de Materiale/ Romanian Journal of Materials | Year: 2012

This paper presents experimental results obtained in developing ceramic composites based on SiC and Si 3N 4, sintered by plasma sintering method (Spark Plasma Sintering (SPS). Sintering process took place in a controlled atmosphere of nitrogen (N 2), at a temperature of 1850 0C. The experiments aimed to obtain ceramic plates based on SiC and Si 3N 4 doped with different sintering additives (Al 2O 3, Y 2O 3) and their characterization. Physical-mechanical parameters were determined (bulk density, apparent porosity, water absorption, tensile strength and hardness). Mineralogical composition analysis was also carried out by X-ray diffraction for both composites. The results reflect the benefits of obtaining by plasma sintering method, because of the superior characteristics results comparing with those materials obtained by the classical method.

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