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Detection and Analysis of Crack Propagation in PZT Multilayer Ceramics

✍ Scribed by Tobias Kühnlein; Alexander Klonczynski; Martin Rauscher

Book ID
117964491
Publisher
John Wiley and Sons
Year
2012
Tongue
English
Weight
783 KB
Volume
10
Category
Article
ISSN
1546-542X

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Comparison between piezoelectric method
Comparison between piezoelectric method and ultrasonic signal analysis for crack detection in type II multilayer ceramic capacitors
✍ Y. Ousten; S. Mejdi; L. Bechou; B. Tregon; Y. Danto 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 130 KB

In this paper we present a comparison between two non-destructive techniques for crack detection in MLCCs. First, if a type II MLCC is biased with a DC field, the capacitor becomes temporarily 'poled' and can act as a transducer. This is induced by a residual piezoelectric effect used in the impedan