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Proceedings Paper

J-integral for ferroelectric compact-tension specimens with electric field
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Paper Abstract

Experiments based on the compact tension geometry are applied to a relaxer composition of lead lanthanum zirconate titanate. This composition is transparent, and displays electro-optical and piezo-optical coupling. A standard photo-stress arrangement gives a direct view of electric field and stress concentrations. Electric field is observed to cause cracks to close. This is consistent with earlier predictions of a negative energy release rate.

Paper Details

Date Published: 13 June 1997
PDF: 5 pages
Proc. SPIE 3039, Smart Structures and Materials 1997: Mathematics and Control in Smart Structures, (13 June 1997); doi: 10.1117/12.276583
Show Author Affiliations
Christopher S. Lynch, Georgia Institute of Technology (United States)


Published in SPIE Proceedings Vol. 3039:
Smart Structures and Materials 1997: Mathematics and Control in Smart Structures
Vasundara V. Varadan; Jagdish Chandra, Editor(s)

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