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Original Articles

Role of 90° domains on the electromechanical anisotropy of ca-modified PbTiO3 ceramics

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Pages 189-194 | Received 29 Aug 1988, Published online: 10 Feb 2011
 

Abstract

New data of 90° domain reorientation on Ca-modified lead titanate ceramics obtained from XRD and thermal expansion measurements are reported. Results confirm that microstructure and poling treatment that favor a relatively high percentage of 90° domains reoriented (N(90°) = 10.9%) are needed to have ceramics with zero planar coupling factor (KP = 0).

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