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http://dx.doi.org/10.5050/KSNVE.2013.24.3.247

Development of Novel Impact Paint Sensor by Using Graphene based Smart Nano Composite  

Kim, Sung Yong (Pukyong National University)
Park, Sehoon (Pukyong National University)
Choi, Gyoung Rak (Manufacturing Automation R&BD Group, Korea Institute of Industrial Technology)
Park, Hyung-Ki (Manufacturing Automation R&BD Group, Korea Institute of Industrial Technology)
Kang, Inpil (Pukyong National University)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.24, no.3, 2014 , pp. 247-252 More about this Journal
Abstract
This paper presents a novel impact sensor which can be fabricated with smart paint made of grapheme. This smart nano paint can be easily installed on structures using a spray-on technique and that can make the sensor low cost and practical. The graphene effectively improves the piezoresistivity of the smart paint and that is available to achieve sensitive impact sensor with high gauge factor. The nano smart-paint can detect sufficient impact to cover the damaged energy range of the composite around 1~3J. The voltage outputs from the sprayed paints show fairly linear responses after signal processing. The impact makes deformation of the structure and it brings change of piezoresistivity of the paint and those converts into voltage output consequently by means of a simple signal processing system. The nano smart paint is lightweight and easily applied to the structural surface, and there is no stress concentration. The nano smart paint is expected to be a cost effective and sensitive multi-functional sensor for composites and other damage monitoring applications in the field of structural health monitoring.
Keywords
Smart Paint; Impact Sensor; Strain Sensor; Graphene; Carbon Nano Material; Smart Material; Nano Composite;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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