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Strong Carbon‐Nanotube Fibers Spun from Long Carbon‐Nanotube Arrays
Author(s) -
Zhang Xiefei,
Li Qingwen,
Tu Yi,
Li Yuan,
Coulter James Y.,
Zheng Lianxi,
Zhao Yonghao,
Jia Qianxi,
Peterson Dean E.,
Zhu Yuntian
Publication year - 2007
Publication title -
small
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.785
H-Index - 236
eISSN - 1613-6829
pISSN - 1613-6810
DOI - 10.1002/smll.200600368
Subject(s) - carbon nanotube , materials science , spinning , composite material , nanotube , carbon nanotube metal matrix composites , fiber , nanotechnology
Carbon fibers with a twist. Nanotube ribbons with good continuity are initially pulled from a carbon‐nanotube (CNT) array of about 650 μm in diameter. The as‐spun fiber is relatively loose with noticeable spaces between CNTs or CNT bundles. After spinning and post‐spin twisting the packing density of the fibers increases (see figure). The mechanical properties of CNT fibers benefit from the relatively longer array and fiber post‐spin treatment.