Detail publikace
Analysis of effect of domain polarization switching near sharp piezoelectric bi-material notches
HRSTKA, M. KOTOUL, M. PROFANT, T.
Anglický název
Analysis of effect of domain polarization switching near sharp piezoelectric bi-material notches
Typ
článek ve sborníku ve WoS nebo Scopus
Jazyk
en
Originální abstrakt
The asymptotic in-plane problem of a bi-material sharp notch with various geometrical pattern and an interface crack in a generally monoclinic piezoelectric bimaterial is analysed using the expanded Lekhnitskii-Eshelby-Stroh formalism, [1]. Assuming small-scale domain switching, the size and shape of the domain switching zone is calculated adopting the energetic switching criterion and micromechanical domain switching model suggested by Hwang et al., [2] for a specified material combination, geometry and polarization orientation. Next, the boundary value problem with the prescribed spontaneous strain and polarization within the switching domain is solved and their influence on the in-plane intensity of singularity at a vertex of the interface in piezoelectric bi-material-bonded joint or at the tip of interface crack is computed. The effects of geometrical and loading parameters on the resulting variation of the intensity of singularity are discussed.
Anglický abstrakt
The asymptotic in-plane problem of a bi-material sharp notch with various geometrical pattern and an interface crack in a generally monoclinic piezoelectric bimaterial is analysed using the expanded Lekhnitskii-Eshelby-Stroh formalism, [1]. Assuming small-scale domain switching, the size and shape of the domain switching zone is calculated adopting the energetic switching criterion and micromechanical domain switching model suggested by Hwang et al., [2] for a specified material combination, geometry and polarization orientation. Next, the boundary value problem with the prescribed spontaneous strain and polarization within the switching domain is solved and their influence on the in-plane intensity of singularity at a vertex of the interface in piezoelectric bi-material-bonded joint or at the tip of interface crack is computed. The effects of geometrical and loading parameters on the resulting variation of the intensity of singularity are discussed.
Klíčová slova anglicky
Polarization switching, Piezoelectricity, Bi-material notch, Asymptotic solution, Mixed FEM
Vydáno
12.06.2023
Nakladatel
American Institute of Physics Inc.
Místo
Melville, NY, USA
ISBN
9780735445482
ISSN
0094-243X
Kniha
20th International Conference on Fracture and Damage Mechanics, DM 2022
Ročník
2848
Číslo edice
2848
Strany od–do
020004-1–020004-17
Počet stran
17
BIBTEX
@inproceedings{BUT187830,
author="Miroslav {Hrstka} and Michal {Kotoul} and Tomáš {Profant},
title="Analysis of effect of domain polarization switching near sharp piezoelectric bi-material notches",
booktitle="20th International Conference on Fracture and Damage Mechanics, DM 2022",
year="2023",
volume="2848",
month="June",
pages="020004-1--020004-17",
publisher="American Institute of Physics Inc.",
address="Melville, NY, USA",
isbn="9780735445482",
issn="0094-243X"
}