Edge geometry effects on resonance response of electroplated cylindrical Ni/PZT/Ni magnetoelectric composites
作者： Vladislav Yakubov , Lirong Xu , Alex A. Volinsky , Lijie Qiao , De’an Pan
DOI: 10.1063/1.4998947
关键词: Nickel 、 Quality (physics) 、 Q factor 、 Voltage coefficient 、 Resonance 、 Electroplating 、 Composite material 、 Vibration 、 Zirconium compounds 、 Materials science
摘要: Trilayer Ni/PZT/Ni cylindrical magnetoelectric (ME) composites were prepared by electrodeposition, a process, which creates sub-millimeter raised edges due to current concentration near sharp points. The ME response in both axial and vertical modes was measured with the edges, only outer removed, inner removed. voltage coefficient improved at resonance 40% 147% without modes, respectively. observed improvements three different samples present no changes detected outside of resonance. Mechanical quality factor also effect on resonant frequency. Experimentally demonstrated minor geometry resulted substantial improvement This study demonstrates device performance optimization. effects have been attributed vibrations terms decreased damping enhanced vi...
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