Conformal Passive Sensors for Wireless Structural Health Monitoring

被引：0
|
作者：
Balasubramaniam, Sharavanan [1 ]
Park, Jung-Rae [1 ]
Mistry, Tarisha [2 ]
Angkawisittpan, Niwat [2 ]
Akyurtlu, Alkim [2 ]
Rao, Tenneti [2 ]
Nagarajan, Ramaswamy [1 ]
机构：
[1] Univ Massachusetts, Dept Plast Engn, Lowell, MA 01854 USA
[2] Univ Massachusetts, Dept Elect & Comp Engn, Lowell, MA 01854 USA
来源：
MATERIALS AND DEVICES FOR SMART SYSTEMS III | 2009年 / 1129卷
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D O I：
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中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The application of conductive inks for the low-cost fabrication of wireless sensors is described. Binder-free silver inks have been formulated, which can form pure metallic patterns, leading to devices with high quality factors. The conductive formulations have been screen-printed on flexible polyester films and thermally converted to silver traces at low temperatures to yield resonant inductor-interdigital capacitor elements. The radio-frequency (RF) response of the printed inductor-capacitor (LC) resonators is measured using a vector network analyzer. Structural damage such as a crack in the substrate disrupts the resonant characteristics of the sensing elements, resulting in the loss of the characteristic response of the LC circuit. The application of these screen-printable sensors for the detection of cracks is demonstrated.
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页码：341 / +
页数：3
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