Microstructures and Microwave Dielectric Properties of Bi^sub 2^O^sub 3^-Deficient Bi^sub 12^SiO^sub 20^ Ceramics

Microstructures and Microwave Dielectric Properties of Bi^sub 2^O^sub 3^-Deficient Bi^sub 12^SiO^sub 20^ Ceramics

The Microstructure and microwave dielectric properties of ...-deficient ... ceramics were investigated. A small amount of unreacted ... phase melted during sintering at 825...C and assisted with densification and grain growth in all samples. The melted ... reacted with remnant ... during cooling to...

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Veröffentlicht in:Journal of the American Ceramic Society 2013-07, Vol.96 (7), p.2225
Hauptverfasser: Jeong, Byoung-Jik, Joung, Mi-Ri, Kweon, Sang-Hyo, Kim, Jin-Seong, Nahm, Sahn, Choi, Ji-Won, Hwang, Seong-Ju
Format: Artikel
Sprache:eng
Schlagworte:
Ceramic sintering
Dielectric properties
Grain growth
Microstructure
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Zusammenfassung:The Microstructure and microwave dielectric properties of ...-deficient ... ceramics were investigated. A small amount of unreacted ... phase melted during sintering at 825...C and assisted with densification and grain growth in all samples. The melted ... reacted with remnant ... during cooling to form a ... secondary phase. The nominal composition of ... ceramics sintered at 825...C for 4 h had a high relative density of 97% of the theoretical density, and good microwave dielectric properties: ..., ..., and ... ppm/...C. Moreover, this ceramic did not react with Ag at 825...C. (ProQuest: ... denotes formulae/symbols omitted.)
ISSN:0002-7820
1551-2916