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2018 | OriginalPaper | Buchkapitel

Preparation and Properties of Pressureless-Sintered Porous Si3N4 Ceramics

verfasst von : Xiao Lin, Jinming Shi, Hongyu Gong, Yujun Zhang, Yurun Feng, Xue Guo, Bingying Xie, Yu Liu, Jiajun Wei

Erschienen in: Advanced Functional Materials

Verlag: Springer Singapore

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Abstract

In this paper, the effect of benzoic acid on the porosity, dielectrical and mechanical properties of porous Si3N4 ceramics prepared by pressureless sintering was investigated. The results showed that the addition of benzoic acid improved the porosity and dielectrical properties of Si3N4 remarkably by pressureless sintering at 1700 ℃ for 60 min. The porosity of sample reached 40.79% with 50 wt% benzoic acid addition and the reflectivity of the sample reached −45 dB at around 12 GHz.

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Metadaten
Titel
Preparation and Properties of Pressureless-Sintered Porous Si3N4 Ceramics
verfasst von
Xiao Lin
Jinming Shi
Hongyu Gong
Yujun Zhang
Yurun Feng
Xue Guo
Bingying Xie
Yu Liu
Jiajun Wei
Copyright-Jahr
2018
Verlag
Springer Singapore
DOI
https://doi.org/10.1007/978-981-13-0110-0_12

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