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Manufacturing and mechanical characterization of multiwalled carbon nanotubes/quartz nanocomposite


Citation

Tijjani, Yusuf and Mohd Yasin, Faizah and Ismail, Mohd Halim S. and Mohamed Ariff, Azmah Hanim (2018) Manufacturing and mechanical characterization of multiwalled carbon nanotubes/quartz nanocomposite. JOURNAL OF THE CERAMIC SOCIETY OF JAPAN, 126 (12). 984 - 991. ISSN 1882-0743

Abstract

Monolithic refractory ceramic materials have outstanding heat resistant properties at elevated temperature and possess high stiffness but are generally brittle. To toughen a typical matrix of natural traditional monolithic quartz ceramic, functionalized multiwalled carbon nanotubes (FMWNTs) were added to the matrix as filler for the first time and processed by a wet method using conventional powder processing; involving consolidation by pressureless sintering technique, to obtain the novel nanocomposite. The effect of the varied amount of carbon nanotubes (0.01, 0.1, 0.5, 1 & 4 wt.%) on densification and mechanical properties of the composites were studied. 1 wt.% FMWNTs/quartz (QF-1) possesses moderate tensile and compressive strengths, modest Young’s modulus and toughness, and high fracture strain in tension. Good combination of strengths and toughness in QF-1 nanocomposite, suggest the possibility of using 1 wt.% FMWNTs as an additive in the preparation of silica/silica-based refractory mixture for optimum mechanical properties.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Engineering
DOI Number: https://doi.org/10.2109/jcersj2.18100
Keywords: CNTs; Quartz; CNTs-Quartz manufacturing; Nanocomposites; Mechanical characterization
Depositing User: Mr. Sazali Mohamad
Date Deposited: 17 Mar 2020 08:22
Last Modified: 17 Mar 2020 08:22
Altmetrics: http://www.altmetric.com/details.php?domain=psair.upmedu.my&doi=10.2109/jcersj2.18100
URI: http://psasir.upm.edu.my/id/eprint/74900
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