Bond-breaking bifurcation states in carbon nanotube fracture

Traian Dumitricǎ; Ted Belytscko; Boris I. Yakobson

doi:10.1063/1.1577540

Bond-breaking bifurcation states in carbon nanotube fracture

Traian Dumitricǎ, Ted Belytscko, Boris I. Yakobson

Mechanical Engineering

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

108 Scopus citations

Abstract

A brittle bond-breaking carbon nanotube (CNT) failure mechanism, which generally competes with the extensively discussed Stone-Wales bond rotation dislocation path is presented. Remarkably, the proposed failure path dominates at low temperatures, and is more probable to take place in a tensile-test experiment. Thus, the failure mechanism involves a series of shallowenergy minima in the highly strained CNT lattice which can be associated with broken-bond states.

Original language	English (US)
Pages (from-to)	9485-9488
Number of pages	4
Journal	Journal of Chemical Physics
Volume	118
Issue number	21
DOIs	https://doi.org/10.1063/1.1577540
State	Published - Jun 1 2003

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10.1063/1.1577540

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abstract = "A brittle bond-breaking carbon nanotube (CNT) failure mechanism, which generally competes with the extensively discussed Stone-Wales bond rotation dislocation path is presented. Remarkably, the proposed failure path dominates at low temperatures, and is more probable to take place in a tensile-test experiment. Thus, the failure mechanism involves a series of shallowenergy minima in the highly strained CNT lattice which can be associated with broken-bond states.",

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Bond-breaking bifurcation states in carbon nanotube fracture

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