Modulated interaction in double-layer shape memory-based micro-designed actuators.

Modulated interaction in double-layer shape memory-based micro-designed actuators.
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DOI:
10.1088/1468-6996/16/6/065003
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发表时间:
2015-12
影响因子:
5.5
通讯作者:
Ercuta A
Ercuta A
中科院分区:
材料科学2区
文献类型:
--
作者:
Crăciunescu C;Ercuta A

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叠加转换的效果在致动器与层状形状记忆合金(SMA)薄膜进行马氏体相变的分析方面的模型开发的两层不同的组成,在相同的温度下沉积在基板上。在致动与温度的关系中观察到一个显着的差异,这取决于SMA层的热性能和弹性性能以及它们的马氏体相变温度。的驱动的预测举例说明使用多层模型和验证的悬臂梁致动器与NiTi和NiMnGa层沉积在Si衬底上。该模型为智能选择SMA奠定了基础,以实现调制驱动。
The effect of superposed transitions in actuators with layered shape memory alloy (SMA) films undergoing martensitic phase transformation is analyzed in terms of a model developed for two layers of different composition, deposited at the same temperature on a substrate. A significant difference is observed in the actuation versus temperature relationship, depending on the thermal and elastic properties of the SMA layers and their martensitic transformation temperature. The prediction of the actuation is exemplified using a multilayer model and is verified for a cantilever actuator with NiTi and NiMnGa layers deposited on a Si substrate. The model sets the ground for a smart selection of SMAs in order to achieve a modulated actuation.
DOI: 10.1140/epjst/e2008-00660-8
发表时间: 2008-05-01
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期刊: THIN SOLID FILMS
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