Paper Title:
Temperature Response of Magnetostrictive/Piezoelectric Polymer Magnetoelectric Laminates
  Abstract

Magnetostrictive/piezoelectric hybrid composites have recently attracted renewed interest as high sensitivity sensors and actuators. One of the most common used geometry consists in laminated amorphous magetostrictive metal/piezoelectric layers, and the maximum magnetoelectric effect has been found at the electromechanical resonance of the system. Here we present results concerning the fabrication of such laminate composites sensor by using Vitrovac 4040® (Fe39Ni39Mo4Si6B12) as the magnetostrictive amorphous component and two different piezoelectric polymers: poly (vinylidene fluoride) (PVDF) and 2,6(β-CN)APB/ODPA (poli 2,6) polyimide, a new high temperature piezoelectric polymer. We have measured room temperature induced magnetoelectric voltages of 79.6 and 0.35 V/cm.Oe at the magnetoelastic resonance of the laminate when using PVDF and poli 2,6 polyimide as piezoelectric components. We have also tested the magnetoelectric response of both laminated composites at temperatures up to 85 °C, and we have observed that the PVDF polymer piezoelectric response quickly decays. Even if the induced magnetoelectric voltage is low, we discuss the advantage of using new piezoelectric polymers due to their good performance at high temperatures, up to 200 °C, making these laminate composites suitable for high temperature applications.

  Info
Periodical
Edited by
E. Hristoforou and D.S. Vlachos
Pages
351-354
DOI
10.4028/www.scientific.net/KEM.495.351
Citation
J. Gutiérrez, A. Lasheras, J. M. Barandiaran, J. L. Vilas, M. San Sebastián, L. M. León, "Temperature Response of Magnetostrictive/Piezoelectric Polymer Magnetoelectric Laminates", Key Engineering Materials, Vol. 495, pp. 351-354, 2012
Online since
November 2011
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