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Crack Arrest Model for Transversely Cracked Piezoceramic Strip under Mechanical and Electrical Yielding

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Abstract:

Crack arrest model is proposed for a poled piezoceramic strip under four different mechanical and electrical yield conditions. It is assumed that developed slide zone is bigger than that of developed saturation zone. Expressions are derived for energy release rate and load required to arrest developed zones. Results obtained are applied to predict the crack arrest of strip made of PZT-4, PZT-5H and BaTiO3. Results are presented graphically.

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Periodical:

Advanced Materials Research (Volumes 264-265)

Pages:

602-607

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.264-265.602

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Online since:

June 2011

Authors:

Rama R. Bhargava, Satish Kumar

Keywords:

Crack Arrest Model, Electrical Yielding, Mechanical Yielding, Piezoceramic

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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