Influence of Electrode Layers on the Fracture Strength of PZT Ceramics

Abstract:

A newly developed process chain enables the production of active structural components. Thereby lead zirconate titanate (PZT) fibres are integrated in metal sheets by joining by forming. For the further development of the process chain to a high volume production the fracture strength of PZT should be increased. This paper pursues the approach to increase the strength by selected electrode layers. For this purpose, various electrode layers are tested on PZT plates in strength tests with the ball on three balls test (B3B-test). The evaluation of the recorded values is carried out according to statistically methods. The results show that the strength of PZT can be increased by electrode layers up to 30%. In addition, it was established that a high tensile strength and a high Young’s modulus of the electrode layers do not have a positive effect on the strength of PZT.

• Periodical: Solid State Phenomena (Volume 260)
• Pages: 187-193
• DOI: https://doi.org/10.4028/www.scientific.net/SSP.260.187
• Online since: July 2017
• Authors: Marek Schmidt*, André Sewohl, Volker Wittstock
• Keywords: Ball on Three Balls Test, Electrode Layers, Fracture Strength, PZT Plates

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