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Highly conductive nanostructured Cu-Cr-MWCNT composite
Conference
Munroe, NDH, Gill, PKS, Amruthaluri, S
et al
. (2008). Highly conductive nanostructured Cu-Cr-MWCNT composite .
4 2309-2318.
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Munroe, NDH, Gill, PKS, Amruthaluri, S
et al
. (2008). Highly conductive nanostructured Cu-Cr-MWCNT composite .
4 2309-2318.
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cited authors
Munroe, NDH; Gill, PKS; Amruthaluri, S; Haider, W
authors
Munroe, Norman
abstract
Contact materials for medium voltage and high current Vacuum Circuit Breakers (VCB) are required to possess excellent electrical and thermal conductivity, as well as superior mechanical strength. Cu-Cr alloys reinforced with Multi-walled Carbon Nanotubes (MWCNT) appear to be an excellent candidate for this application. A powder metallurgical technique was used to prepare high density compacts of Cu-Cr composite with varying percentages of MWCNT. The morphology of the composites was studied by employing SEM/EDS, XRD, TEM and Raman Spectroscopy. The electrical conductivity and Vickers hardness of the compacts were also determined. A substantial increase in the electrical conductivity and strength of the composite were attained upon the addition of 5-16 % of volume fraction MWCNT. © 2008 MS&T'08®.
publication date
December 1, 2008
Additional Document Info
start page
2309
end page
2318
volume
4