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Enhanced shock performance by disperse porous structure:A case study in PZT95/5 ferroelectric ceramics
Nie, Hengchang1; Yu, Yin2; Liu, Yusheng2; He, Hongliang2; Wang, Genshui1; Dong, Xianlin1
2017
发表期刊Journal of the American Ceramic Society
ISSN00027820
卷号100期号:12页码:5693-5699
摘要The porosity and corresponding microstructural features ultimately determine the properties of the macroporous materials. In this work, porous PZT95/5 ferroelectric ceramics having a common bulk density but with disperse and agglomerated pore distribution were prepared to study their influence on the physical properties. It is experimentally demonstrated that pore distribution exhibits significant influence on the shock compression response behaviors. Porous PZT95/5 ferroelectric ceramics with disperse pores exhibit enhanced shock resistance and thus higher breakdown strengths than its counterparts with agglomerated voids. To explain the underlying physical mechanism, a lattice-spring model was employed to simulate both macroscopic shock response and mesoscopic evolution of the microstructures under shock compression. Our simulation results are concordant with our experimental observations. The enhanced shock resistance and larger shock plasticity of porous PZT95/5 ferroelectric ceramics with disperse pores under shock compression was found to be responsible for the superior performance. © 2017 The American Ceramic Society
DOI10.1111/jace.15097
EI入藏号20174204276511
EI主题词Ferroelectric ceramics
EI分类号701.1 Electricity: Basic Concepts and Phenomena - 714.2 Semiconductor Devices and Integrated Circuits - 802.3 Chemical Operations - 812.1 Ceramics - 931.2 Physical Properties of Gases, Liquids and Solids - 951 Materials Science
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文献类型期刊论文
条目标识符http://ir.sic.ac.cn/handle/331005/25708
专题中国科学院上海硅酸盐研究所
作者单位1.Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, China;
2.National Key Laboratory of Shock Wave and Detonation Physics, Institute of Fluid Physics, Mianyang, China
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GB/T 7714
Nie, Hengchang,Yu, Yin,Liu, Yusheng,et al. Enhanced shock performance by disperse porous structure:A case study in PZT95/5 ferroelectric ceramics[J]. Journal of the American Ceramic Society,2017,100(12):5693-5699.
APA Nie, Hengchang,Yu, Yin,Liu, Yusheng,He, Hongliang,Wang, Genshui,&Dong, Xianlin.(2017).Enhanced shock performance by disperse porous structure:A case study in PZT95/5 ferroelectric ceramics.Journal of the American Ceramic Society,100(12),5693-5699.
MLA Nie, Hengchang,et al."Enhanced shock performance by disperse porous structure:A case study in PZT95/5 ferroelectric ceramics".Journal of the American Ceramic Society 100.12(2017):5693-5699.
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