Structural Health Monitoring of Nonwoven Materials via Network of Carbon Nanotubes

Ayana Mengesha Negassa¹

Section:Research Paper, Product Type: Journal-Paper
Vol.12 , Issue.1 , pp.11-16, Feb-2024

Online published on Feb 28, 2024

Copyright © Ayana Mengesha Negassa . This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
 

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Abstract :
Continuous health monitoring of structures is crucial in order to ensure the safety of the people living in and around the structures made up of nonwoven materials. Carbon Nanotubes (CNTs) used as sensor show a promising way of detecting these damages and relaying the signals in order to prevent any major accidents. In this study, MWCNT – multi walled carbon nanotube have been used to decorate glass fiber nonwoven material by using vacuum filtration method. Experiments have been done on CNTs decorated nonwoven of different dimensions, i.e. virgin, horizontal pre-damaged, diagonal and vertical pre-damaged specimens. The electrical resistance of CNT decorated nonwoven material has been measured by increasing the tensile force simultaneously followed by evaluating the damage fruition and electric failure mechanisms in the glass fiber nonwoven material. The experimental results show that MWCNT loading as small as~0.75% was enough to detect the damage in the nonwoven material. This process can be scaled up and used extensively for structural health monitoring of nonwoven materials.

Key-Words / Index Term :
Non-woven, Carbon Nano tubes, Multi-walled Carbon Nanotubes, Structural heath monitoring, non-woven materials, Glass fiber Nonwoven.

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