On the tensile strength distribution of multiwalled carbon nanotubes

Asa H. Barber; Rodney Andrews; Linda S. Schadler; H. Daniel Wagner

doi:10.1063/1.2130713

On the tensile strength distribution of multiwalled carbon nanotubes

Asa H. Barber, Rodney Andrews, Linda S. Schadler, H. Daniel Wagner

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

153 Scopus citations

Abstract

Individual multiwalled carbon nanotubes grown by chemical vapor deposition (CVD) were tensile tested within the chamber of an electron microscope using an atomic force microscope-based technique. Weibull-Poisson statistics could accurately model the nanotube tensile strength data. Weibull shape and scale parameters of 1.7 and 109 GPa were obtained. The former reflects a wide variability in strength similar to that observed for high-modulus graphite fibers, while the latter indicates that the irregular CVD-grown tube wall structure requires, in some cases, higher breaking forces than more regular tube wall structures. This apparent strengthening mechanism is most likely caused by an enhanced interaction between the walls of the nanotube.

Original language	English
Article number	203106
Pages (from-to)	1-3
Number of pages	3
Journal	Applied Physics Letters
Volume	87
Issue number	20
DOIs	https://doi.org/10.1063/1.2130713
State	Published - Nov 14 2005

Bibliographical note

Funding Information:
This project was supported by the (CNT) Thematic European network on “Carbon Nanotubes for Future Industrial Composites” (EU), the NOESIS European project on “Aerospace Nanotube Hybrid Composite Structures with Sensing and Actuating Capabilities,” the Minerva Foundation, the G. M. J. Schmidt Minerva Centre of Supramolecular Architectures, and the Israeli Academy of Science.

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.2130713

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title = "On the tensile strength distribution of multiwalled carbon nanotubes",

abstract = "Individual multiwalled carbon nanotubes grown by chemical vapor deposition (CVD) were tensile tested within the chamber of an electron microscope using an atomic force microscope-based technique. Weibull-Poisson statistics could accurately model the nanotube tensile strength data. Weibull shape and scale parameters of 1.7 and 109 GPa were obtained. The former reflects a wide variability in strength similar to that observed for high-modulus graphite fibers, while the latter indicates that the irregular CVD-grown tube wall structure requires, in some cases, higher breaking forces than more regular tube wall structures. This apparent strengthening mechanism is most likely caused by an enhanced interaction between the walls of the nanotube.",

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note = "Funding Information: This project was supported by the (CNT) Thematic European network on “Carbon Nanotubes for Future Industrial Composites” (EU), the NOESIS European project on “Aerospace Nanotube Hybrid Composite Structures with Sensing and Actuating Capabilities,” the Minerva Foundation, the G. M. J. Schmidt Minerva Centre of Supramolecular Architectures, and the Israeli Academy of Science. ",

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AU - Andrews, Rodney

AU - Schadler, Linda S.

AU - Wagner, H. Daniel

N1 - Funding Information: This project was supported by the (CNT) Thematic European network on “Carbon Nanotubes for Future Industrial Composites” (EU), the NOESIS European project on “Aerospace Nanotube Hybrid Composite Structures with Sensing and Actuating Capabilities,” the Minerva Foundation, the G. M. J. Schmidt Minerva Centre of Supramolecular Architectures, and the Israeli Academy of Science.

PY - 2005/11/14

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N2 - Individual multiwalled carbon nanotubes grown by chemical vapor deposition (CVD) were tensile tested within the chamber of an electron microscope using an atomic force microscope-based technique. Weibull-Poisson statistics could accurately model the nanotube tensile strength data. Weibull shape and scale parameters of 1.7 and 109 GPa were obtained. The former reflects a wide variability in strength similar to that observed for high-modulus graphite fibers, while the latter indicates that the irregular CVD-grown tube wall structure requires, in some cases, higher breaking forces than more regular tube wall structures. This apparent strengthening mechanism is most likely caused by an enhanced interaction between the walls of the nanotube.

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On the tensile strength distribution of multiwalled carbon nanotubes

Abstract

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