期刊
PHILOSOPHICAL MAGAZINE LETTERS
卷 94, 期 1, 页码 37-44出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/09500839.2013.855331
关键词
piezoelectrics; composite materials; cellular structures
类别
资金
- MRSEC
- Petroleum Research Fund
Lattice structures are presented with a piezoelectric sensitivity, d, much larger in magnitude than that of material comprising the lattice ribs. Large sensitivity is achieved by using piezoelectric bimorph elements as ribs; these bend in response to electric input, giving rise to a much larger displacement than for axial elements. Complex electrical connectivity is helpful, but not necessary; surface contact can be sufficient. Lattices are amenable to piezoelectric vibration damping. Piezoelectric sensitivity can be arbitrarily large and is unbounded.
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