Carbon, Volume (101), No (1), Year (2016-2) , Pages (261-271)

Title : ( Pulsed current field assisted surface modification of carbon nanotubes with nanocrystalline titanium carbide )

Authors: Farhad Saba , Faming Zhang , Seyed Abdolkarim Sajjadi , Mohsen Haddad Sabzevar , Ping Li ,

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Multiwalled carbon nanotubes (MWCNTs) were surface modified with titanium carbide (TiC) nanocrystalline particles by a novel pressureless spark plasma sintering method. The microstructure and properties of the nano-TiC modified MWCNTs were characterized by scanning electron microscopy, X-ray diffraction, transmission electron microscopy, thermal gravity analysis and nanoindentation. Experimental results showed that the TiC nanoparticles were generated and grown epitaxially on the surface of MWCNTs by the pulsed current field assisted solid-state reaction between Ti and MWCNTs. The TiC nanoparticles were preferentially nucleated at defective sites of the nanotubes surfaces and grown along the [111] direction. Nano-TiC modified MWCNTs showed better oxidation resistance than that of the pure MWCNTs. Improvements of Young's modulus (31.18%) and nanohardness (62.74%) were achieved by doping of 1.0 wt.% TiC coated-MWCNTs into the aluminium matrix. The proposed modification strategy can be a versatile route for fabricating other nano-carbide coating on one dimensional nanoreinforcements.

Keywords

Pulsed current field; surface modification; carbon nanotubes; nanocrystalline; titanium
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@article{paperid:1055046,
author = {Saba, Farhad and Faming Zhang and Sajjadi, Seyed Abdolkarim and Haddad Sabzevar, Mohsen and Ping Li},
title = {Pulsed current field assisted surface modification of carbon nanotubes with nanocrystalline titanium carbide},
journal = {Carbon},
year = {2016},
volume = {101},
number = {1},
month = {February},
issn = {0008-6223},
pages = {261--271},
numpages = {10},
keywords = {Pulsed current field; surface modification; carbon nanotubes; nanocrystalline; titanium carbide.},
}

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%0 Journal Article
%T Pulsed current field assisted surface modification of carbon nanotubes with nanocrystalline titanium carbide
%A Saba, Farhad
%A Faming Zhang
%A Sajjadi, Seyed Abdolkarim
%A Haddad Sabzevar, Mohsen
%A Ping Li
%J Carbon
%@ 0008-6223
%D 2016

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