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HomeMaterials Science ForumMaterials Science Forum Vol. 729Structural and Mechanical Properties of Milled...

Structural and Mechanical Properties of Milled Si₃N₄/CNTs Composites by Spark Plasma Sintering Method

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Abstract:

Multiwall carbon nanotubes were dispersed with a concentration of 3wt% in silicon nitride ceramic host. A high efficiency attritor mill has been used for an effective dispersion of the filler phase in the matrix. In this work we have developed a spark plasma sintering process (SPS) suitable to consolidate and tailor the microstructure of CNT-reinforced silicon nitride-based ceramic composites. Mechanical measurements, micro-indentation investigations of the hardness and fracture toughness have been performed. Scanning electron microscopy has been involved in order to reveal the microstructure of the resulting composites.

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Materials Science, Testing and Informatics VI

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Periodical:

Materials Science Forum (Volume 729)

Pages:

31-36

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.729.31

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Online since:

November 2012

Authors:

Csaba Balázsi, Orsolya Tapasztó, Zoltán Károly, Peter Kun, Katalin Balázsi, János Szépvölgyi

Keywords:

Si₃N₄, Cnts, Composite, Milling, SPS

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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