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A Spray-On Carbon Nanotube Artificial Neuron Strain Sensor for Composite Structural Health Monitoringopen access
- Authors
- Choi G.[Choi G.]; Lee J.W.[Lee J.W.]; Cha J.Y.[Cha J.Y.]; Kim Y.-J.[Kim Y.-J.]; Choi Y.-S.[Choi Y.-S.]; Schulz M.J.[Schulz M.J.]; Moon C.K.[Moon C.K.]; Lim K.T.[Lim K.T.]; Kim S.Y.[Kim S.Y.]; Kang I.[Kang I.]
- Issue Date
- Aug-2016
- Publisher
- MDPI
- Keywords
- Artificial neuron; Carbon nanotube; Composites; Damage detection; Piezoresistivity; Strain sensor; Structural health monitoring
- Citation
- SENSORS, v.16, no.8
- Journal Title
- SENSORS
- Volume
- 16
- Number
- 8
- Abstract
- We present a nanocomposite strain sensor (NCSS) to develop a novel structural health monitoring (SHM) sensor that can be easily installed in a composite structure. An NCSS made of a multi-walled carbon nanotubes (MWCNT)/epoxy composite was installed on a target structure with facile processing. We attempted to evaluate the NCSS sensing characteristics and benchmark compared to those of a conventional foil strain gauge. The response of the NCSS was fairly good and the result was nearly identical to the strain gauge. A neuron, which is a biomimetic long continuous NCSS, was also developed, and its vibration response was investigated for structural damage detection of a composite cantilever. The vibration response for damage detection was measured by tracking the first natural frequency, which demonstrated good result that matched the finite element (FE) analysis.
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Collections - Engineering > School of Mechanical Engineering > 1. Journal Articles
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