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Proceedings Paper

Fabrication of piezoelectric fibers with metal core
Author(s): Jinhao Qiu; Junji Tani; Naoki Yamada; Hirofumi Takahashi
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Paper Abstract

A study on the fabrication of Pb(Nb,Ni)O3-Pb(Zr,Ti)O3 (PNN-PZT) piezoelectric ceramic fibers with a metal core is introduced. The green fibers were fabricated by extruding a mixture of PNN-PZT powder and organic solvent together with a 50 mm Pt core. The fibers of 250 mm in diameter and a few centimeters long are obtained without any cracks after sintered at 1200°C. The core is precisely located at the center of the fibers. The boundary of the PNN-PZT ceramics and the Pt core was investigated by cutting the fiber along the cross-section and the longitudinal direction, and observing them with a scanning electron microscope. The ferroelectricity and piezoelectricity of a single fiber was confirmed. The polarization versus electric field relationship was measured by a Radiant RT-6000 and the result exhibits the typical ferroelectricity of the PNN-PZT material. The strain versus electric field relationship also shows the typical hysteresis of piezoelectric materials due to the d31 effect.

Paper Details

Date Published: 13 August 2003
PDF: 9 pages
Proc. SPIE 5053, Smart Structures and Materials 2003: Active Materials: Behavior and Mechanics, (13 August 2003); doi: 10.1117/12.484355
Show Author Affiliations
Jinhao Qiu, Tohoku Univ. (Japan)
Junji Tani, Tohoku Univ. (Japan)
Naoki Yamada, Tohoku Univ. (Japan)
Hirofumi Takahashi, Fuji Ceramics Corp. (Japan)

Published in SPIE Proceedings Vol. 5053:
Smart Structures and Materials 2003: Active Materials: Behavior and Mechanics
Dimitris C. Lagoudas, Editor(s)

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