Dispersion and rheology for direct writing lead-based piezoelectric ceramic pastes with anisotropic template particles

Rebecca L. Walton; Mark A. Fanton; Richard J. Meyer; Gary L. Messing

doi:10.1111/jace.17350

Dispersion and rheology for direct writing lead-based piezoelectric ceramic pastes with anisotropic template particles

Rebecca L. Walton, Mark A. Fanton, Richard J. Meyer, Gary L. Messing

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

Abstract

Controlling the rheology of direct writing pastes is essential for producing high quality printed ceramics. Ceramic pastes were formulated to explore the relation between surface chemistry and rheology of complex pastes of Pb(In_1/2Nb_1/2)O₃-Pb(Mg_1/3Nb_2/3)O₃-PbTiO₃ (PIN-PMN-PT) powder, large BaTiO₃ (BT) platelet particles, and a commercial poly(acrylic) acid-based binder system. Zeta potential of the ceramic powder, the conformation of the poly(acrylic) acid, and the effect of these factors on rheology were evaluated as a function of suspension pH. Effective dispersion and amenable rheology for direct writing were achieved at mixing pH 5. Additions of 0.3 to 2.6 vol% BT tabular particles dramatically altered the rheology of the pastes due to the shear alignment of the BT particles. Powder-organic interactions and the size and concentration of BT platelet particles can be tailored to direct write either space-filling filaments to form dense ceramics or non-flowing filaments to form spanning ceramic structures.

Original language	English (US)
Pages (from-to)	6157-6168
Number of pages	12
Journal	Journal of the American Ceramic Society
Volume	103
Issue number	11
DOIs	https://doi.org/10.1111/jace.17350
State	Published - Nov 1 2020

All Science Journal Classification (ASJC) codes

Ceramics and Composites
Materials Chemistry

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10.1111/jace.17350

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title = "Dispersion and rheology for direct writing lead-based piezoelectric ceramic pastes with anisotropic template particles",

abstract = "Controlling the rheology of direct writing pastes is essential for producing high quality printed ceramics. Ceramic pastes were formulated to explore the relation between surface chemistry and rheology of complex pastes of Pb(In1/2Nb1/2)O3-Pb(Mg1/3Nb2/3)O3-PbTiO3 (PIN-PMN-PT) powder, large BaTiO3 (BT) platelet particles, and a commercial poly(acrylic) acid-based binder system. Zeta potential of the ceramic powder, the conformation of the poly(acrylic) acid, and the effect of these factors on rheology were evaluated as a function of suspension pH. Effective dispersion and amenable rheology for direct writing were achieved at mixing pH 5. Additions of 0.3 to 2.6 vol% BT tabular particles dramatically altered the rheology of the pastes due to the shear alignment of the BT particles. Powder-organic interactions and the size and concentration of BT platelet particles can be tailored to direct write either space-filling filaments to form dense ceramics or non-flowing filaments to form spanning ceramic structures.",

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AU - Messing, Gary L.

PY - 2020/11/1

Y1 - 2020/11/1

N2 - Controlling the rheology of direct writing pastes is essential for producing high quality printed ceramics. Ceramic pastes were formulated to explore the relation between surface chemistry and rheology of complex pastes of Pb(In1/2Nb1/2)O3-Pb(Mg1/3Nb2/3)O3-PbTiO3 (PIN-PMN-PT) powder, large BaTiO3 (BT) platelet particles, and a commercial poly(acrylic) acid-based binder system. Zeta potential of the ceramic powder, the conformation of the poly(acrylic) acid, and the effect of these factors on rheology were evaluated as a function of suspension pH. Effective dispersion and amenable rheology for direct writing were achieved at mixing pH 5. Additions of 0.3 to 2.6 vol% BT tabular particles dramatically altered the rheology of the pastes due to the shear alignment of the BT particles. Powder-organic interactions and the size and concentration of BT platelet particles can be tailored to direct write either space-filling filaments to form dense ceramics or non-flowing filaments to form spanning ceramic structures.

AB - Controlling the rheology of direct writing pastes is essential for producing high quality printed ceramics. Ceramic pastes were formulated to explore the relation between surface chemistry and rheology of complex pastes of Pb(In1/2Nb1/2)O3-Pb(Mg1/3Nb2/3)O3-PbTiO3 (PIN-PMN-PT) powder, large BaTiO3 (BT) platelet particles, and a commercial poly(acrylic) acid-based binder system. Zeta potential of the ceramic powder, the conformation of the poly(acrylic) acid, and the effect of these factors on rheology were evaluated as a function of suspension pH. Effective dispersion and amenable rheology for direct writing were achieved at mixing pH 5. Additions of 0.3 to 2.6 vol% BT tabular particles dramatically altered the rheology of the pastes due to the shear alignment of the BT particles. Powder-organic interactions and the size and concentration of BT platelet particles can be tailored to direct write either space-filling filaments to form dense ceramics or non-flowing filaments to form spanning ceramic structures.

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Dispersion and rheology for direct writing lead-based piezoelectric ceramic pastes with anisotropic template particles

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