Piezo-resistive characteristics of graphene-based cement materials

Rehman, S.K.U. and Ibrahim, Z. and Javed, M.F. and Hanif, M.U. (2017) Piezo-resistive characteristics of graphene-based cement materials. In: 24th International Congress on Sound and Vibration (ICSV24) 2017, 23-27 July 2017, Park Plaza Westminster Bridge Hotel, London, United Kingdom.

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iezo-resistive characteristics of cement-based materials were investigated using gra-phene nanoplatelets (GNPs). These phenomena provide composite materials with the ca-pability to sense their own strain. In this study, very small amount of GNP (i.e., 0.03% by weight of cement) was used. Results show that compressive strength and strain capability are enhanced by 30% and 80%, respectively, after the addition of GNPs. Electrical resis-tivity values are decreased by 42% for GNP–cement composite. The fractional change in resistivity confirms that the sensitivity of the GNP–cement composite increases with com-pressive loading. Therefore, GNP-based cement composites can be an appropriate choice for self-sensing purposes.

Item Type: Conference or Workshop Item (Paper)
Additional Information: Conference paper
Uncontrolled Keywords: Cement-based composite; Sensor; Piezo-resistivity; Graphene nanoplatelet; Structural health monitoring
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Engineering
Depositing User: Mr. Mohd Safri
Date Deposited: 24 Aug 2017 04:48
Last Modified: 24 Aug 2017 04:48
URI: http://eprints.um.edu.my/id/eprint/17704

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