Fracture mechanics of piezoelectric materials–where are we right now?

M Kuna - Engineering Fracture Mechanics, 2010 - Elsevier
Piezoelectric and ferroelectric materials have gained extensive applications in
electromechanical devices, microelectromechanical systems and smart composite materials …

Fracture behaviors of piezoelectric materials

TY Zhang, CF Gao - Theoretical and applied fracture mechanics, 2004 - Elsevier
Theoretical analyses and experimental observations of the failure and fracture behaviors of
piezoelectric materials are presented. The theoretical analyses are based on the Stroh …

Enhanced piezoelectricity in lead-free halide perovskite nanocomposite for self-powered wireless electronics

MM Rana, AA Khan, W Zhu, MF Al Fattah… - Nano Energy, 2022 - Elsevier
Lately, lead-free flexible piezoelectric nanogenerators (PENGs) have drawn much attention
because of the threat posed by lead (Pb)-based piezoelectric materials to the environment …

Fracture behavior in electrically poled alkaline bismuth-and potassium-based lead-free piezoceramics using Vickers indentation

X Wang, LK Venkataraman, C Tan, Y Li - Scripta Materialia, 2021 - Elsevier
The fracture behavior of unpoled and electrically poled Ka 0.5 Na 0.5 NbO 3 (KNN)-and Na
1/2 Bi 1/2 TiO 3 (NBT)-based lead-free piezoceramics were characterized using the Vicker's …

Dislocation toughening in single‐crystal KNbO3

O Preuß, E Bruder, W Lu, F Zhuo… - Journal of the …, 2023 - Wiley Online Library
The growing research interest in dislocation‐tuned functionality in ceramics is evident, with
the most recent proofs‐of‐concept for enhanced ferroelectric properties, electrical …

[HTML][HTML] Mechanical characterization of piezoelectric materials: A perspective on deformation behavior across different microstructural length scales

VS Kathavate, KE Prasad, MSRN Kiran… - Journal of Applied …, 2022 - pubs.aip.org
Piezoelectric materials (PEMs) find a wide spectrum of applications that include, but are not
limited to, sensors, actuators, semiconductors, memory devices, and energy harvesting …

Characterization and fatigue of the converse piezoelectric effect in PZT films for MEMS applications

A Mazzalai, D Balma, N Chidambaram… - Journal of …, 2014 - ieeexplore.ieee.org
A measurement setup for the detailed study of the transverse piezoelectric coefficient e31, f
in the converse (actuator) mode was developed. It allows the assessment of the …

On the fracture toughness of ferroelastic materials

CM Landis - Journal of the Mechanics and Physics of Solids, 2003 - Elsevier
The toughness enhancement due to domain switching near a steadily growing crack in a
ferroelastic material is analyzed. The constitutive response of the material is taken to be …

Investigation of residual stress in lead-free BNT-based ceramic/ceramic composites

A Ayrikyan, O Prach, NH Khansur, S Keller, S Yasui… - Acta Materialia, 2018 - Elsevier
Ceramic/ceramic composite structures have been proposed as a method for optimizing the
electromechanical response of lead-free ferroelectrics. Co-sintering of ceramic composites …

[HTML][HTML] Improving electrical properties and toughening of PZT-based piezoelectric ceramics for high-power applications via doping rare-earth oxides

J Guo, H Zhou, T Fan, B Zhao, X Shang, T Zhou… - journal of materials …, 2020 - Elsevier
Ceramics show brittle nature because of ionic and covalent bondings. However, the need for
reliable high-power applications with vibrational displacements under high electric fields …