Metamaterial based telemetric strain sensing in different materials.
Metamaterial based telemetric strain sensing in different materials.
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DOI：
10.1364/oe.18.005000
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发表时间：
2010-03-01
期刊：
影响因子：
3.8
通讯作者：
Demir HV
中科院分区：
文献类型：
--
作者：
Melik R;Unal E;Perkgoz NK;Puttlitz C;Demir HV
我们提出了遥测传感不同的工业材料的表面应变使用分裂环谐振器为基础的超材料。对于无线应变传感，我们利用超材料阵列架构的高灵敏度和低非线性误差的应变传感。在这项工作中，遥测应变测量在三个测试材料的铸造聚酰胺，德林和聚酰胺进行观察下的机械变形的工作频率偏移和这些数据进行了比较，与市售的有线应变片。我们证明，硬材料（铸造聚酰胺）表现出低斜率的频移与施加的负载（对应于高杨氏模量），而软材料（聚酰胺）表现出高斜率（低杨氏模量）。
We present telemetric sensing of surface strains on different industrial materials using split-ring-resonator based metamaterials. For wireless strain sensing, we utilize metamaterial array architectures for high sensitivity and low nonlinearity-errors in strain sensing. In this work, telemetric strain measurements in three test materials of cast polyamide, derlin and polyamide are performed by observing operating frequency shift under mechanical deformation and these data are compared with commercially-available wired strain gauges. We demonstrate that hard material (cast polyamide) showed low slope in frequency shift vs. applied load (corresponding to high Young's modulus), while soft material (polyamide) exhibited high slope (low Young's modulus).