Enhanced Mechanical Properties of Prestressed Multi‐Walled Carbon Nanotubes | Zendy

Xu Zhiping | Zendy; Wang Lifeng | Zendy; Zheng Quanshui | Zendy

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Enhanced Mechanical Properties of Prestressed Multi‐Walled Carbon Nanotubes

Author(s) -

Xu Zhiping,

Wang Lifeng,

Zheng Quanshui

Publication year - 2008

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.200700678

Subject(s) - materials science , carbon nanotube , ultimate tensile strength , composite material , coaxial , shear (geology) , nanotechnology , mechanical engineering , engineering

The benefits of stress : Prestressed multi‐walled carbon nanotubes (PMWNTs; see picture) have smaller interwall spacings than normal multi‐walled nanotubes (MWNTs) and significantly enhanced mechanical properties. Molecular simulations show that a 20% reduction in interwall spacing increases the interwall shear strength by up to four orders of magnitude. The PMWNTs have a tensile strength and stiffness about 20% higher than those of normal MWNTs.

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