Chapter 3b

Polymer-Based Magnetoelectric Composites: Polymer as a Binder

Polymer-Based Magnetoelectric Composites: Polymer as a Binder

Yang Song

Yang Song

University of Science and Technology Beijing, Department of Mechanical Engineering, Institute for Advanced Materials and Technology, 30 Xueyuan Road, Beijing, 100083 China

University of South Florida, College of Engineering, Department of Mechanical Engineering, 4202 E Fowler Ave, Tampa, FL, 33620 USA

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De'an Pan

De'an Pan

Beijing University of Technology, Institute of Circular Economy, 100 Ping Le Yuan, Beijing, 100124 China

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Zhijun Zuo

Zhijun Zuo

Functional Materials Research Institute, Central Iron and Steel Research Institute, No. 76 Xueyuan South Road, Beijing, 100081 China

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Alex Alexei Volinsky

Alex Alexei Volinsky

University of South Florida, College of Engineering, Department of Mechanical Engineering, 4202 E Fowler Ave, Tampa, FL, 33620 USA

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First published: 07 July 2017

Summary

Polymer-bonded (based) magnetoelectric (ME) composites are highly flexible, nonbrittle, and allow simple manufacturing processes at room temperature with various shapes and sizes. This chapter introduces representative results of polymer-based (polymer as a binder) Tb1-xDyxFe2-y/Pb(Zr, Ti)O3 ME composites to show how they are made and their structural design is improved. It then describes single- and multi-electrode cylindrical ME composite, and discusses the effects of polymer content and particle size on the composites. All studies utilized Tb1-xDyxFe2-y(Terfenol-D) and Pb(Zr, Ti)O3 (PZT) as the piezomagnetic (PM) and piezoelectric (PE) phases, respectively. The chapter further describes fabrication of ME composites laminated with the bonded Terfenol-D prepared by magnetic warm compaction and PZT ceramics, and measurement of the ME voltage coefficient of the composites. It proposes ME composite with multifaceted structure. The ME effect of this kind of composite has been further improved by using the multifaceted structure scheme.

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