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Liquid-crystal display of stress fields in ferroelectrics

Lupascu, Doru C. and Kreuzer, Markus and Santos e Lucato, Sergio Luis dos and Rödel, Jürgen and Lynch, Christopher S. (2001):
Liquid-crystal display of stress fields in ferroelectrics.
In: Applied Physics Letters, pp. 2554-2556, 78, (17), ISSN 0003-6951, [Online-Edition: http://dx.doi.org/10.1063/1.1365417],
[Article]

Abstract

Direct optical images of local surface potentials generated by the process zone of a crack are shown for a thickness-poled ferroelectric ceramic using liquid crystals. The observed potentials can be mapped to stresses within the material revealing the complex shape and time development of the process zone so far not accessible using other techniques.

Item Type: Article
Erschienen: 2001
Creators: Lupascu, Doru C. and Kreuzer, Markus and Santos e Lucato, Sergio Luis dos and Rödel, Jürgen and Lynch, Christopher S.
Title: Liquid-crystal display of stress fields in ferroelectrics
Language: English
Abstract:

Direct optical images of local surface potentials generated by the process zone of a crack are shown for a thickness-poled ferroelectric ceramic using liquid crystals. The observed potentials can be mapped to stresses within the material revealing the complex shape and time development of the process zone so far not accessible using other techniques.

Journal or Publication Title: Applied Physics Letters
Volume: 78
Number: 17
Uncontrolled Keywords: LEAD-ZIRCONATE-TITANATE; R-CURVE BEHAVIOR; CERAMICS
Divisions: 11 Department of Materials and Earth Sciences > Material Science > Nonmetallic-Inorganic Materials
11 Department of Materials and Earth Sciences > Material Science
11 Department of Materials and Earth Sciences
Date Deposited: 14 Jul 2011 10:56
Official URL: http://dx.doi.org/10.1063/1.1365417
Identification Number: doi:10.1063/1.1365417
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