Microfabrication of High-Aspect Ratio KNN Lead-Free Piezoceramic Pillar Arrays by Aqueous Gelcasting

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成果类型：

期刊论文

作者：

Cailing Wu;Benke Li;Xiaofeng Wang;Rui Xie*;Guoping Wang;...

通讯作者：

Rui Xie

作者机构：

[Dou Zhang] State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, China

[Feng Ji] Hangzhou Silan Intergrated Circuit Co. Ltd., Hangzhou 310000, China

Hunan Key Laboratory for the Design and Application of Actinide Complexes, University of South China, Hengyang 421001, China

School of Chemistry and Chemical Engineering, University of South China, Hengyang 421001, China

Author to whom correspondence should be addressed.

通讯机构：

[Rui Xie] H

Hunan Key Laboratory for the Design and Application of Actinide Complexes, University of South China, Hengyang 421001, China<&wdkj&>School of Chemistry and Chemical Engineering, University of South China, Hengyang 421001, China<&wdkj&>Author to whom correspondence should be addressed.

语种：

英文

关键词：

gelcasting;potassium sodium niobate ceramic;soft mold;rheology;piezoelectric arrays

期刊：

Ceramics

ISSN：

2571-6131

年：

2020

卷：

期：

页码：

287-296

DOI：

10.3390/ceramics3030026

基金类别：

This research was funded by the National Natural Science Foundation of China, grant number 51802147; the Natural Science Foundation of Hunan Province, China, grant number 2016JJ3105 and National Undergraduate Training Programs for Innovation and Entrepreneurship, grant number 201710555007.

机构署名：

本校为通讯机构

院系归属：

化学化工学院

摘要：

The present paper reported a novel approach for the fabrication of a high-aspect ratio (K, Na)NbO3 (KNN) piezoelectric micropillar array via epoxy gelcasting, which involves the in situ consolidation of aqueous KNN suspensions with added hydantoin epoxy resin on a polydimethylsiloxane (PDMS) soft micromold. KNN suspensions with solid loadings of up to 45.0 vol.% have rheological behavior, which was suitable for the gelcasting process. The uniform green KNN bodies derived from the optimized suspension of 42.0 vol.% solid loading and 15.0 wt.% re...

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Microfabrication of High-Aspect Ratio KNN Lead-Free Piezoceramic Pillar Arrays by Aqueous Gelcasting

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