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- W1974767461 abstract "Porous Si3N4 ceramics were fabricated by normal sintering of low-purity Si3N4 powder and 5mass%Y2O3 as sintering additive. Porous Si3N4 ceramics with >40% porosity were obtained at sintering temperatures in the range 1700-1800°C. The microstructural development, pore morphology, and mechanical properties of these porous ceramics were investigated. The strength of the porous Si3N4 ceramics was high for samples sintered at 1800°C. The high flexural strength was contributed by fine elongated β-Si3N4 grains and some large elongated grain. This paper outlines the use of low purity powder for the economical fabrication of porous Si3N4 ceramics." @default.
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- W1974767461 date "2003-01-01" @default.
- W1974767461 modified "2023-10-16" @default.
- W1974767461 title "Fabrication and Mechanical Properties of Porous Silicon Nitride Ceramics from Low-Purity Powder" @default.
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- W1974767461 doi "https://doi.org/10.2109/jcersj.111.758" @default.
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