Multilayer-structured gold/nanoporous gold composite for high performance linear actuation

Multilayer-structured gold/nanoporous gold composite for high performance linear actuation
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用于高性能线性驱动的多层结构金/纳米孔金复合材料

DOI:
10.1063/1.4868408
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发表时间:
2014-03
影响因子:
4
通讯作者:
Jin, Hai-Jun
Jin, Hai-Jun
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Zhang, Su-Min;Zhang, Su-Min;Jin, Hai-Jun;Jin, Hai-Jun

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我们报道了一种增加纳米多孔金(npg)电化学驱动器的线性行程的策略,通过将固体和平行的金层引入npg中,形成Au/npg多层复合材料。在垂直于层平面的方向上的致动冲程大于混合规则的预测,并且可以比单片npg的致动冲程大20%;同时,多层复合材料比npg单片更硬。目前的研究提供了一种方法,同时提高驱动应变,有效刚度,和驱动材料的机械稳定性,从而整体性能的np固体驱动器。
We report a strategy to increase the linear stroke of nanoporous gold (npg) electrochemical actuator, by incorporating solid and parallel gold layers into npg and form Au/npg multilayer composites. The actuation strokes in the direction perpendicular to layer planes are larger than the rule-of-mixture predictions and can be 20% greater than that of monolithic npg; meanwhile, the multilayer composites are stiffer than the npg monolith. Current study provides an approach to simultaneously increase the actuation strain, the effective stiffness, and mechanical stability of actuation material, and thus global performance of np solid actuator.
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