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http://dx.doi.org/10.5050/KSNVN.2006.16.7.762

Strain Sensors Using Carbon Nanotube Composites  

Kang, In-Pil (건국대학교 인공근육연구센터)
Schulz Mark J. (University of Cincinnati 기계공학과)
Choi, Gyeong-Rak (한국생산기술연구원 생산시스템본부)
Choi, Yeon-Sun (성균관대학교 기계공학부)
Lee, Jong-Won (한국기계연구원 기계시스템신뢰성연구센터)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.16, no.7, 2006 , pp. 762-768 More about this Journal
Abstract
To address the need for new intelligent sensing of systems, this study presents a novel strain sensor based on piezoresistivity of carbon nanotube (CNT) and its nanocomposites. Fabrication and characterization of the carbon nanocomposite material are discussed and an electrical model of the CNT strain sensor was derived based on electrochemical impedance spectroscopy analysis and strain testing. The dynamic response of the sensor on a vibrating beam was simulated using numerical analysis and it was compared with experimental test. The simulation showed good agreement with the strain response of the actual sensor.
Keywords
Nanotechnology; Carbon Nanotube; Strain Sensor; Nanocomposite; Smart Material; Piezoresistivity;
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