Carbon Nanotube Composite Sensor for Structural Health Monitoring of Bridge Structures

Andy Chit Tan

doi:10.4028/www.scientific.net/AMR.875-877.366

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 875-877Carbon Nanotube Composite Sensor for Structural...

Carbon Nanotube Composite Sensor for Structural Health Monitoring of Bridge Structures

Abstract:

Bridges are important infrastructures of all nations and are required for transportation of goods as well as human. A catastrophic failure can result in loss of lives and enormous financial hardship to the nation. Although various kinds of sensors are now available to monitor the health of the structures due to corrosion, they do not provide permanent and long term measurements. This paper investigates the fabrication of Carbon Nanotube (CNT) based composite sensors for corrosion detection of structures. Multi-wall CNT (MWCNT)/Nafion composite sensors were fabricated to evaluate their electrical properties for corrosion detection. The test specimens were subjected to real life corrosion experimental tests and the results confirm that the electrical resistance of the sensor electrode was dramatically changed due to corrosion.

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Periodical:

Advanced Materials Research (Volumes 875-877)

Pages:

366-369

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.875-877.366

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Online since:

February 2014

Authors:

Andy Chit Tan

Keywords:

Carbon Nanotube (CN), Corrosion Sensor, Nanocomposite, Nano-Smart Materials, Structural Health Monitoring (SHM)

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