Skip to main content

Lund University Publications

LUND UNIVERSITY LIBRARIES

Tailoring Crystallographic Texture Through Direct Ink Writing of Piezoelectric Ceramics

Mobin, Mahmoud ; Abdurrahmanoglu, Cenk ; Mishin, Oleg V. ; Gjørup, Frederik Holm LU orcid ; Jørgensen, Mads Ry Vogel LU orcid ; Esposito, Vincenzo and Haugen, Astri Bjørnetun (2026) In Journal of the American Ceramic Society 109(4).
Abstract

Control of crystallographic texture is key to improving the properties of piezoelectric ceramics, but it has so far mainly been realized in the form of fiber textures perpendicular to the dominant surface of simple 2.5D structures. This work demonstrates how grains in piezoelectric ceramics can be aligned in complex patterns and shapes via material extrusion-based additive manufacturing, specifically direct ink writing. Needle-shaped K0.5Na0.5NbO3 template particles with ⟨100⟩ pseudocubic orientation are used in a K0.5Na0.5NbO3-based ink, such that they align during direct ink writing due to shear forces in the nozzle. The templates control grain growth during subsequent... (More)

Control of crystallographic texture is key to improving the properties of piezoelectric ceramics, but it has so far mainly been realized in the form of fiber textures perpendicular to the dominant surface of simple 2.5D structures. This work demonstrates how grains in piezoelectric ceramics can be aligned in complex patterns and shapes via material extrusion-based additive manufacturing, specifically direct ink writing. Needle-shaped K0.5Na0.5NbO3 template particles with ⟨100⟩ pseudocubic orientation are used in a K0.5Na0.5NbO3-based ink, such that they align during direct ink writing due to shear forces in the nozzle. The templates control grain growth during subsequent sintering, enabling the additively manufactured piezoelectrics with a texture characterized by a Lotgering factor of 83%, which is a significant improvement compared to previous achievements. The piezoelectric response of this textured material is improved by 88%. Furthermore, as the dominant crystallographic orientation follows the nozzle movement, the texture can be controlled in each print line. This work opens new design possibilities for improved ceramics, combining tailored microstructures and complex shapes, and a significant advancement of the direct ink writing technique.

(Less)
Please use this url to cite or link to this publication:
author
; ; ; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
3D printing, additive manufacturing, ceramics, piezoelectricity, texture
in
Journal of the American Ceramic Society
volume
109
issue
4
article number
e70687
publisher
Wiley-Blackwell
external identifiers
  • scopus:105034211337
ISSN
0002-7820
DOI
10.1111/jace.70687
language
English
LU publication?
yes
id
73016a5c-c61f-4d63-bcaa-152e4290bf08
date added to LUP
2026-05-13 09:34:28
date last changed
2026-05-13 09:34:59
@article{73016a5c-c61f-4d63-bcaa-152e4290bf08,
  abstract     = {{<p>Control of crystallographic texture is key to improving the properties of piezoelectric ceramics, but it has so far mainly been realized in the form of fiber textures perpendicular to the dominant surface of simple 2.5D structures. This work demonstrates how grains in piezoelectric ceramics can be aligned in complex patterns and shapes via material extrusion-based additive manufacturing, specifically direct ink writing. Needle-shaped K<sub>0.5</sub>Na<sub>0.5</sub>NbO<sub>3</sub> template particles with ⟨100⟩ pseudocubic orientation are used in a K<sub>0.5</sub>Na<sub>0.5</sub>NbO<sub>3</sub>-based ink, such that they align during direct ink writing due to shear forces in the nozzle. The templates control grain growth during subsequent sintering, enabling the additively manufactured piezoelectrics with a texture characterized by a Lotgering factor of 83%, which is a significant improvement compared to previous achievements. The piezoelectric response of this textured material is improved by 88%. Furthermore, as the dominant crystallographic orientation follows the nozzle movement, the texture can be controlled in each print line. This work opens new design possibilities for improved ceramics, combining tailored microstructures and complex shapes, and a significant advancement of the direct ink writing technique.</p>}},
  author       = {{Mobin, Mahmoud and Abdurrahmanoglu, Cenk and Mishin, Oleg V. and Gjørup, Frederik Holm and Jørgensen, Mads Ry Vogel and Esposito, Vincenzo and Haugen, Astri Bjørnetun}},
  issn         = {{0002-7820}},
  keywords     = {{3D printing; additive manufacturing; ceramics; piezoelectricity; texture}},
  language     = {{eng}},
  number       = {{4}},
  publisher    = {{Wiley-Blackwell}},
  series       = {{Journal of the American Ceramic Society}},
  title        = {{Tailoring Crystallographic Texture Through Direct Ink Writing of Piezoelectric Ceramics}},
  url          = {{http://dx.doi.org/10.1111/jace.70687}},
  doi          = {{10.1111/jace.70687}},
  volume       = {{109}},
  year         = {{2026}},
}