Bonding Optimization in Piezoelectric and Magnetostrictive Laminate Composites

2019 5th International Conference on Nanotechnology for Instrumentation and Measurement (NanofIM) Pub Date : 2019-10-30 DOI:10.1109/NanofIM49467.2019.9233487

S. Naifar, A. Bouhamed, S. Bradai, O. Kanoun

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Abstract

Magnetoelectric (ME) materials are becoming relevant in the development of modern technologies for a large variety of applications such as sensors, actuators and energy harvesting, among others.In this parer, we report the effect of the adhesive bonding layers in magnetoelectric laminate composites formed of Terfenol-D/Pb(Mg1/3Nb2/3)O3-PbTiO3 (PMNT)/Terfenol-D in order to achieve an improved ME conversion performance. A novel bonding technique at room temperature is proposed, which uses conductive polymer nanocomposites. Two ME transducers are fabricated based on this technique having 1 wt.% and 2 wt.% concentration of Multiwalled Carbon Nanotubes (MWCNTs) mixed to an epoxy resin. A third magnetoelectric transducer is fabricated by a classical technique for comparison purposes. The output performances of the three ME transducers in a ME vibration converter were evaluated under similar operating conditions. Experimental investigations demonstrate that the magnetoelectric transducer bonded with 2 wt.% concentration of MWCNTs has better output performance than the two other ME transducers under similar excitation.

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压电和磁致伸缩层压复合材料的键合优化

磁电(ME)材料在现代技术的发展中越来越重要，用于各种各样的应用，如传感器、执行器和能量收集等。在本文中，我们报道了在Terfenol-D/Pb(Mg1/3Nb2/3)O3-PbTiO3 (PMNT)/Terfenol-D形成的磁电层状复合材料中粘接层的影响，以达到提高ME转化性能的目的。提出了一种利用导电聚合物纳米复合材料进行室温键合的新方法。基于该技术，制备了两种具有1 wt.%和2 wt.%浓度的多壁碳纳米管(MWCNTs)与环氧树脂混合的ME换能器。第三个磁电换能器是由一个经典的技术制造比较的目的。在相似的工作条件下，对ME振动变换器中三个ME换能器的输出性能进行了评价。实验研究表明，在相同激励下，与浓度为2 wt.%的MWCNTs结合的磁电换能器的输出性能优于其他两种磁电换能器。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2019 5th International Conference on Nanotechnology for Instrumentation and Measurement (NanofIM)

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