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The mechanical and dielectric properties of Si3N4-based sandwich ceramics
Highlights ► The graphene nanosheets and carbon nanospheres mixture was prepared. ► The prepared mixture modified glassy carbon electrode was fabricated. ► The fabricated electrode showed excellent catalytic ability towards hydroquinone. ► The prepared mixture can increase the electrochemical active area of electrode. ► The developed method can determine HQ in soil samples with satisfactory results.
Abstract Porous Si3N4/(Si3N4 +BN) sandwich ceramics were fabricated by tape casting and hot pressing. The layer thickness ratio, sintering temperature and sintering pressure affected the fracture strength, dielectric constant and porosity. The Si3N4/(Si3N4 +BN) sandwich ceramics with the layer thickness ratio of 1.5 sintered at 1450°C with 5MPa has a good comprehensive property of the fracture strength of 54.3MPa and dielectric constant of 3.48 (at 1GHz).
The mechanical and dielectric properties of Si3N4-based sandwich ceramics
Highlights ► The graphene nanosheets and carbon nanospheres mixture was prepared. ► The prepared mixture modified glassy carbon electrode was fabricated. ► The fabricated electrode showed excellent catalytic ability towards hydroquinone. ► The prepared mixture can increase the electrochemical active area of electrode. ► The developed method can determine HQ in soil samples with satisfactory results.
Abstract Porous Si3N4/(Si3N4 +BN) sandwich ceramics were fabricated by tape casting and hot pressing. The layer thickness ratio, sintering temperature and sintering pressure affected the fracture strength, dielectric constant and porosity. The Si3N4/(Si3N4 +BN) sandwich ceramics with the layer thickness ratio of 1.5 sintered at 1450°C with 5MPa has a good comprehensive property of the fracture strength of 54.3MPa and dielectric constant of 3.48 (at 1GHz).
The mechanical and dielectric properties of Si3N4-based sandwich ceramics
Zuo, Kai-hui (author) / Zeng, Yu-ping (author) / Jiang, Dongliang (author)
2011-09-09
4 pages
Article (Journal)
Electronic Resource
English
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