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Construction & building materials v.134, 2017년, pp.585 - 593   SCIE
본 등재정보는 저널의 등재정보를 참고하여 보여주는 베타서비스로 정확한 논문의 등재여부는 등재기관에 확인하시기 바랍니다.

Performance investigation of cement-based laminated multifunctional magnetoelectric composites

Pang, Cuijuan (Department of Civil and Environmental Engineering, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China ); Pei, Huafu ( Department of Geotechnical Engineering, Dalian University of Technology, State Key Lab of Coastal and Offshore Engineering, Dalian, PR China ); Li, Zongjin ( Department of Civil and Environmental Engineering, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China );
  • 초록  

    Abstract In this paper, cement-based multifunctional magnetoelectric (ME) composite with the laminated structure of one lead zirconate titanate (PZT) layer sandwiched between two cement-based Tb 1−x Dy x Fe 2 alloy (Terfenol-D) layers has been successfully fabricated for the first time in the world. Furthermore, systematic investigation has been conducted on the overall performance of this newly developed composite. The dielectric and piezoelectric behaviors of this composite are equivalent to those of pure PZT, which dominates the ferroelectric properties of composite. A giant ME response is observed in the composite because of the strong mechanical coupling interaction among different phases detected by fiber Bragg grating sensing technique. The measured maximum ME sensitivity α E 33 can reach up to 1.071V/cmOe under 3000Oe H dc field at low frequency with f v = 0.30 of Terfenol-D in the composite, which is much superior to that of other polymer-based composites (just about 200–300mV/cm·Oe) reported. Such great ME sensitivity can be attributed to that cement functions not only as particles binder, but also as the transmission medium with higher transfer efficiency. Such excellent performances make this novel ME composite be a strong potential candidate for engineering applications as sensors, actuators and other smart transducers. Highlights Cement-based magnetoelectric composite has been firstly successfully developed. Composite exhibits a brand new magnetoelectric coupling effect as expected. The best magnetoelectric performance ever found in the same category of composite.


  • 주제어

    Magnetoelectric .   Composite .   Cement .   Magnetostrictive .   Piezoelectric .   FBG.  

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