Abstract
Ferro- and piezoelectric ceramics find a widespread application in many domains of technology. They are constituents of smart structures being included in composites together with metals or plastics, are used as actuators and sensors and play an important role in micro-system-technology. In order to supply knowledge about design features and strength criteria to improve the reliability and durability of components with smart ceramics, a more fundamental understanding about the process of fracture under combined mechanical and electrical loading is required. Therefore electromechanical experiments on DCB specimen are performed. Analytical and numerical methods for the stress analysis are introduced and their efficiency is verified. Furthermore, an analytical solution for the coupled field problem is derived on the basis of the Stroh formalism. Stress intensity factors, electric displacement intensity factors and energy release rates are calcutated and discussed with respect to a possible fracture criterion.
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© 2002 Springer Science+Business Media New York
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Kuna, M., Ricoeur, A. (2002). Theoretical Investigation of Fracture Behaviour in Ferroelectric Ceramics. In: Bradt, R.C., Munz, D., Sakai, M., Shevchenko, V.Y., White, K. (eds) Fracture Mechanics of Ceramics. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-4019-6_5
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DOI: https://doi.org/10.1007/978-1-4757-4019-6_5
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