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Current Nanomaterials


ISSN (Print): 2405-4615
ISSN (Online): 2405-4623

Mini-Review Article

Carbon and Metallic-based Nanomaterials for Strain Sensors - A Review

Author(s): Pravan Omprakash, Udaya B. Kuruveri and Devadas B. Panemangalore*

Volume 6, Issue 3, 2021

Published on: 12 January, 2021

Page: [172 - 184] Pages: 13

DOI: 10.2174/2405461506666210112151221

Price: $65


Strain gauges are devices whose electrical resistances vary proportionately with the amount of strain applied on the device. They can be used for real-time applications in the aerospace sector, as a geotechnical tool in tunnels and bridges, in rail monitoring and health monitoring sectors. Nanomaterials have been widely used for this application because they can be flexible, stretchable and have high strength. Several researchers have used numerous carbon-based and metallic nanostructures to develop functionally graded materials. Among carbon-based materials, graphene has been widely researched as a viable material for strain sensors due to its superior mechanical and electrical properties. Also, many metallic nanoparticles have been investigated to design strain sensors that are highly sensitive to a wide range of strains. In this article, a review of carbon and metallic nanomaterial-based strain sensors is presented, with emphasis on applications pertaining to structural health monitoring and wearable devices.

Keywords: Nanomaterial, graphene, CNT, strain sensor, sensor, nanoparticle.

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