Edge cracked piezoelectric ceramic block under electromechanical impact loading

The dynamic field intensity factors and energy release rates in a piezoelectric ceramic block containing an edge crack with the condition of continuous electric crack faces under electromechanical impact loading are obtained. Integral transform method is used to reduce the problem to two pairs of du...

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Bibliographic Details
Published in:International journal of fracture 2001-11, Vol.112 (2), p.139-150
Main Authors: Kwon, Soon Man, Kang, Yong Lee
Format: Article
Language:English
Subjects:
Edge cracks
Electric fields
Energy release rate
Exact sciences and technology
Fredholm equations
Fundamental areas of phenomenology (including applications)
Impact loads
Integral equations
Integral transforms
Physics
Piezoelectricity
Solid mechanics
Stress intensity factors
Structural and continuum mechanics
Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...)
Vibrations and mechanical waves
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Summary:The dynamic field intensity factors and energy release rates in a piezoelectric ceramic block containing an edge crack with the condition of continuous electric crack faces under electromechanical impact loading are obtained. Integral transform method is used to reduce the problem to two pairs of dual integral equations, which are then expressed to an Fredholm integral equation of the second kind. Numerical values on the dynamic stress intensity factor and dynamic energy release rate are obtained to show the influence of the geometry and electric field.
ISSN:0376-9429
1573-2673
DOI:10.1023/A:1013370109564