Fabrication of translucent silicon nitride ceramics with various sintering aids
by W.W. Yang; M. Inada; Y. Tanaka; N. Enomoto; J. Hojo
International Journal of Nanotechnology (IJNT), Vol. 10, No. 1/2, 2013

Abstract: Polycrystalline translucent Si₃N₄ sintered ceramics are receiving attention owing to their high mechanical strength and chemical stability. Regardless of a long history to sinter Si₃N₄, there have been few reports on the fabrication of translucent Si₃N₄ ceramics. In this study, the authors used three systems including AlN-MgO, AlN-Y₂O₃ and Al₂O₃-Y₂O₃ as sintering aids of Si₃N₄, and the phase composition and transmittance of sintered samples were compared. The translucent α-sialon formed at a large amount of sintering aids and the translucent β-Si₃N₄ formed at a small amount of sintering aids.

Online publication date: Fri, 07-Dec-2012

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