Ultrahigh strength and stiffness in cross-linked hierarchical carbon nanotube bundles

T. Filleter; R. Bernal; S. Li; Horacio Dante Espinosa

doi:10.1002/adma.201100547

Ultrahigh strength and stiffness in cross-linked hierarchical carbon nanotube bundles

T. Filleter, R. Bernal, S. Li, Horacio Dante Espinosa^*

^*Corresponding author for this work

Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

134 Scopus citations

Abstract

Electron irradiation induced covalent cross-linking at multiple length scales within double-walled nanotube bundles is demonstrated to lead to ultrahigh effective strength and stiffness. In situ transmission electron microscopy tensile testing reveals both order of magnitude enhancements in the mechanical properties as well as distinct failure mechanisms of cross-linked versus un-crosslinked bundles.

Original language	English (US)
Pages (from-to)	2855-2860
Number of pages	6
Journal	Advanced Materials
Volume	23
Issue number	25
DOIs	https://doi.org/10.1002/adma.201100547
State	Published - Jul 5 2011

Keywords

carbon nanotubes
hierarchical materials
in situ TEM
nanocomposites

ASJC Scopus subject areas

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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10.1002/adma.201100547

Cite this

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title = "Ultrahigh strength and stiffness in cross-linked hierarchical carbon nanotube bundles",

abstract = "Electron irradiation induced covalent cross-linking at multiple length scales within double-walled nanotube bundles is demonstrated to lead to ultrahigh effective strength and stiffness. In situ transmission electron microscopy tensile testing reveals both order of magnitude enhancements in the mechanical properties as well as distinct failure mechanisms of cross-linked versus un-crosslinked bundles.",

keywords = "carbon nanotubes, hierarchical materials, in situ TEM, nanocomposites",

author = "T. Filleter and R. Bernal and S. Li and Espinosa, {Horacio Dante}",

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AU - Filleter, T.

AU - Bernal, R.

AU - Li, S.

AU - Espinosa, Horacio Dante

PY - 2011/7/5

Y1 - 2011/7/5

N2 - Electron irradiation induced covalent cross-linking at multiple length scales within double-walled nanotube bundles is demonstrated to lead to ultrahigh effective strength and stiffness. In situ transmission electron microscopy tensile testing reveals both order of magnitude enhancements in the mechanical properties as well as distinct failure mechanisms of cross-linked versus un-crosslinked bundles.

AB - Electron irradiation induced covalent cross-linking at multiple length scales within double-walled nanotube bundles is demonstrated to lead to ultrahigh effective strength and stiffness. In situ transmission electron microscopy tensile testing reveals both order of magnitude enhancements in the mechanical properties as well as distinct failure mechanisms of cross-linked versus un-crosslinked bundles.

KW - carbon nanotubes

KW - hierarchical materials

KW - in situ TEM

KW - nanocomposites

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Ultrahigh strength and stiffness in cross-linked hierarchical carbon nanotube bundles

Abstract

Keywords

ASJC Scopus subject areas

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