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Fabrication and Properties of Porous Silicon Nitride Ceramics via Microwave Sintering by Mengyong Sun; Xin Cheng; Qinggang Li; Shifeng Huang is a Engineering article available to read on EtoBox.

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## Fabrication and propertiesofp orous silicon nitride ceramicsvia microwave sintering Porous silicon nitridec eramics weref abricated without pore formers via microwave sintering. Microwave sintering at different temperatures produced unique microstructures with high porosity. The best porous silicon nitride ceramics were fabricated at 1550 8 Cfor 30 min; the resultingproduct had ab ulkd ensity of 1552 gcm -3 ,a no pen porosity of 43.9 %, and aflexural strength of 43.6 MPa. The meanpore channel size and the dielectric constants of the fabricated porouss ilicon nitride ceramics ranged from 0.1 l mt o 1 l ma nd 2.9 to 3.4 under differentt emperatures,r espectively.

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Author

Mengyong Sun; Xin Cheng; Qinggang Li; Shifeng Huang

Publisher

Walter de Gruyter GmbH

Published

2014

Language

EN

Field

Engineering (Physical Sciences)