Abstract:
:The theoretical maximum tensile strain--that is, elongation--of a single-walled carbon nanotube is almost 20%, but in practice only 6% is achieved. Here we show that, at high temperatures, individual single-walled carbon nanotubes can undergo superplastic deformation, becoming nearly 280% longer and 15 times narrower before breaking. This superplastic deformation is the result of the nucleation and motion of kinks in the structure, and could prove useful in helping to strengthen and toughen ceramics and other nanocomposites at high temperatures.
journal_name
Naturejournal_title
Natureauthors
Huang JY,Chen S,Wang ZQ,Kempa K,Wang YM,Jo SH,Chen G,Dresselhaus MS,Ren ZFdoi
10.1038/439281akeywords:
subject
Has Abstractpub_date
2006-01-19 00:00:00pages
281issue
7074eissn
0028-0836issn
1476-4687pii
439281ajournal_volume
439pub_type
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