The effects of the PbO content upon the microstructure and the ferroelectric properties of undoped sol-gel derived PZT(53/47) fibers

Hansch, Ralf; Seifert, S.; Braue, W.; Sporn, D.; Müller, Gerd

doi:10.1016/j.jeurceramsoc.2003.07.008

Cited by 10 publications

(3 citation statements)

References 22 publications

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“…The crystallite size decreases with an increase of the milling time, reaching saturation near to 40 h. On the other hand, the lattice strain also decreases with the increase of the milling time; however, after the 60 h it increases, probably due to the increase of structural defects in the crystalline lattice [19]. Similar analyses have been carried out on other materials, under the same milling conditions, resulting also in a significant reduction of the crystallite size [12,29].…”

Section: Resultssupporting

confidence: 60%

Characterization of nanostructured ceramics prepared by both high energy ball milling and fast firing sintering processes

et al. 2012

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This article may be used for research, teaching, and private study purposes. Any substantial or systematic reproduction, redistribution, reselling, loan, sub-licensing, systematic supply, or distribution in any form to anyone is expressly forbidden.The publisher does not give any warranty express or implied or make any representation that the contents will be complete or accurate or up to date. The accuracy of any instructions, formulae, and drug doses should be independently verified with primary sources. The publisher shall not be liable for any loss, actions, claims, proceedings,

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Section: Resultssupporting

confidence: 60%

Characterization of nanostructured ceramics prepared by both high energy ball milling and fast firing sintering processes

et al. 2012

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“…Furthermore the average width of the outer region showing transgranular fracture increases with lower powder loading contents from 18 µm to 35 µm for 58 vol.% and 50 vol.% fibres respectively. Hansch et al [25] observed this behaviour in conjunction with the present of lead oxide, which creates a liquid phase during sintering and enhances the densification process. Based on the fibre cross sectional fracture surface it is supposed that the amount of lead oxide in the 50 vol.% fibres is higher which could be caused by the lower green density after debinding whereby the diffusion of lead oxide into the fibre is facilitated.…”

Section: Resultsmentioning

confidence: 92%

Influence of Varying the Powder Loading Content on the Homogeneity and Properties of Extruded PZT-Fibers

Heiber¹,

Clemens²,

Graule³

et al. 2008

KEM

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In this study PZT-green fibres containing 50, 54 and 58 vol.% PZT powder were extruded. The influences on the mixing torque, the apparent shear rate and the extrudability were investigated and a theoretical maximum powder loading content was calculated using a model introduced by Frankel and Acrivos. The influence of powder loading content on the microstructure (porosity and grain size), the phase composition and on the final ferroelectric properties of sintered PZT fibres was investigated. The measurements revealed that the production of PZT fibres with homogeneous properties requires a minimum powder loading content of 58 vol.% PZT powder.

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“…The 1-3 connection composites also provide better dielectric and/or piezoelectric properties than the 0-3 connection ones [2]. But it's usually difficult to arrange fibers in arrays easily in the fabrication of 1-3 composites [3]. And the difficulty in preparation stable ceramic fibers with excellent properties also makes the researches on 1-3 composites quite few than that on 0-3 composites composed of ceramic powders [4,5].…”

Section: Introductionmentioning

confidence: 99%

Preparation and Dielectric Properties of 1-3 La Modified PZT/IPN Piezoelectric Composites

Zhu

Tang

Zhang

et al. 2010

AMR

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To prevent the potential cracking of gel fibers, La modified lead zirconate titanate (PLZT) ceramic fibers with diameter within 50µm were achieved by embedding into PLZT powders during the heat treatment. Then the 1-3 PLZT fiber/interpenetrating polymer network (IPN) piezoelectric composites were prepared by casting the IPN precursors onto the well aligned ceramic fibers. The influences of the heating temperatures and La amounts on the dielectric constant, dielectric loss with frequencies and piezoelectric constant of PLZT were investigated in detail. The morphologies of fibers and composites were observed by biological microscope. And also, the dielectric constant of PLZT fibers and PLZT fiber/IPN piezoelectric composites were detected.

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The effects of the PbO content upon the microstructure and the ferroelectric properties of undoped sol-gel derived PZT(53/47) fibers

Cited by 10 publications

References 22 publications

Characterization of nanostructured ceramics prepared by both high energy ball milling and fast firing sintering processes

Characterization of nanostructured ceramics prepared by both high energy ball milling and fast firing sintering processes

Influence of Varying the Powder Loading Content on the Homogeneity and Properties of Extruded PZT-Fibers

Preparation and Dielectric Properties of 1-3 La Modified PZT/IPN Piezoelectric Composites

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