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Carbon Nanotube Reinforced Composites: Metal and Ceramic ...

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126j 4 Mechanical Characteristics of <strong>Carbon</strong> <strong>Nanotube</strong>–<strong>Metal</strong> Nanocomposites<br />

Figure 4.21 <strong>Carbon</strong> nanotube content in the coatings as a<br />

function of MWNT concentration in the plating bath. Reproduced<br />

with permission from [47]. Copyright Ó (2006) Elsevier.<br />

deless plated composite coating decreases with increasing nanotube content due to<br />

self-lubrication of nanotubes (Figure 4.22). Further, the wear rate of the composite<br />

coating decreased with increasing nanotube content up to 11.2 vol%, but then<br />

increased with further increasing filler volume fraction due to clustering of<br />

nanotubes.<br />

Figure 4.22 Friction coefficient <strong>and</strong> wear rate as a function<br />

of carbon nanotube content for electrodeless deposited<br />

Ni-P/MWNT coatings. Reproduced with permission from [49].<br />

Copyright Ó (2003) Elsevier.

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