Interface analysis of ultra-high strength carbon nanotube/nickel composites processed by molecular level mixing

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Carbon nanotube (CNT) reinforced nickel matrix (CNT/Ni) composites exhibiting a yield strength (YS) of 710 MPa, about 3.7 times higher than monolithic nickel, have been processed by a molecular-level mixing process followed by spark plasma sintering (SPS). The enormous strength increase in these composites can be attributed to a homogeneous distribution of nanotubes in the nickel matrix coupled with the formation of well-bonded, high strength, contaminant-free nanotube/nickel interfaces, as revealed by high-resolution transmission electron microscopy. Such interfaces can effectively transfer load between nanotubes and nickel matrix in the CNT/Ni composites. (C) 2013 Published by Elsevier Ltd.
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Issue Date
2013-06
Language
English
Article Type
Article
Keywords

METAL-MATRIX NANOCOMPOSITES; ALUMINUM; BEHAVIOR

Citation

CARBON, v.57, pp.282 - 287

ISSN
0008-6223
DOI
10.1016/j.carbon.2013.01.075
URI
http://hdl.handle.net/10203/174004
Appears in Collection
MS-Journal Papers(저널논문)
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