Mechanical and electrical properties of Al2O3-CNT nanocomposites

Puchy, Viktor, Dusza, Ján, Hvizdos, Pavol, Inam, Fawad and Reece, Michael (2011) Mechanical and electrical properties of Al2O3-CNT nanocomposites. Chemické listy, 105 (SI). s635-s637. ISSN 1213-7103

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Official URL: http://www.chemicke-listy.cz/docs/full/2011_s4_s63...

Abstract

This work describes the microstructure, indentation toughness and electrical conductivity of alumina-carbon black and alumina-carbon nanotubes nanocomposites prepared by spark plasma sintering. Materials have been studied by SEM, Vickers indentation technique and two-point electrical conductivity measurement. The addition of 5 % CNTs increased the indentation toughness from 3.24 MPa m(1/2) to 4.14 MPa m(1/2). The electrical conductivity of alumina-CNT nanocomposites is approximately ten times higher in comparison to the alumina-carbon black nanocomposites due to the fibrous nature and high aspect ratio of CNTs.

Item Type: Article
Additional Information: Proceedings of the 8th International Scientific - Technical Conference Material in Engineering Practice 2011.
Uncontrolled Keywords: electrical conductivity, indentation toughness, nanocomposite, carbon nanotube, carbon black
Subjects: F200 Materials Science
H300 Mechanical Engineering
J300 Ceramics and Glasses
Department: Faculties > Engineering and Environment > Mechanical and Construction Engineering
Depositing User: Fawad Inam
Date Deposited: 30 May 2013 09:21
Last Modified: 10 Aug 2015 11:20
URI: http://nrl.northumbria.ac.uk/id/eprint/12721

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