Soft-matter capacitors and inductors for hyperelastic strain sensing and stretchable electronics

被引：159
作者：
Fassler, A. [1 ]
Majidi, C. [1 ]
机构：
[1] Carnegie Mellon Univ, Dept Mech Engn, Pittsburgh, PA 15213 USA
来源：
SMART MATERIALS AND STRUCTURES | 2013年 / 22卷 / 05期
关键词：
D O I：
10.1088/0964-1726/22/5/055023
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We introduce a family of soft-matter capacitors and inductors composed of microchannels of liquid-phase gallium-indium-tin alloy (galinstan) embedded in a soft silicone elastomer (Ecoflex (R) 00-30). In contrast to conventional (rigid) electronics, these circuit elements remain electronically functional even when stretched to several times their natural length. As the surrounding elastomer stretches, the capacitance and inductance of the embedded liquid channels change monotonically. Using a custom-built loading apparatus, we experimentally measure relative changes in capacitance and inductance as a function of stretch in three directions. These experimental relationships are consistent with theoretical predictions that we derive with finite elasticity kinematics.
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页数：8
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