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논문 기본 정보

자료유형
학술저널
저자정보
Jianzhong Li (Chongqing University) Yumei Wen (Chongqing University) Ping Li (Chongqing University)
저널정보
한국자기학회 Journal of Magnetics Journal of Magnetics Vol.16 No.4
발행연도
2011.12
수록면
461 - 465 (5page)

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초록· 키워드

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Traditional magnetostrictive/piezoelectric laminate composites are generally in the regular geometries such as rectangles or disks. To explore properties of the irregular geometry magnetostrictive/piezoelectric transducer in the fundamental resonant frequency, a step dumb-bell shaped Magnetoelectric (ME) transducer is presented in this study. Both analytical and experimental investigations are carried out for the dumb-bell shaped transducer in the fundamental frequency. Comparing with the traditional rectangular transducer, the theory shows the resonant frequency of dumb-bell shaped transducer is reduced 31%, and the experiment gives the result of that is 37% which is independent of dc magnetic fields. The ratio of magnetoelectric voltage coefficient (MEVC) between the dumb-bell shaped and rectangular shaped transducers in theory is 66% comparing with that of in experiment is varying from 140% to 33% when the dc field is increased from 0 Oe to 118 Oe.

목차

1. Introduction
2. The Dumb-bell Shaped ME Transducer
3. Theoretical Analysis
4. Experimental Results
5. Conclusions
References

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