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Symmetry-, time-, and temperature-dependent strength of carbon nanotubes
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| Zeitschriftentitel: | Proceedings of the National Academy of Sciences |
|---|---|
| Personen und Körperschaften: | , , |
| In: | Proceedings of the National Academy of Sciences, 103, 2006, 16, S. 6105-6109 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Proceedings of the National Academy of Sciences
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| Schlagwörter: |
| author_facet |
Dumitrica, Traian Hua, Ming Yakobson, Boris I. Dumitrica, Traian Hua, Ming Yakobson, Boris I. |
|---|---|
| author |
Dumitrica, Traian Hua, Ming Yakobson, Boris I. |
| spellingShingle |
Dumitrica, Traian Hua, Ming Yakobson, Boris I. Proceedings of the National Academy of Sciences Symmetry-, time-, and temperature-dependent strength of carbon nanotubes Multidisciplinary |
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dumitrica, traian |
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Dumitrica, Traian Hua, Ming Yakobson, Boris I. 0027-8424 1091-6490 Proceedings of the National Academy of Sciences Multidisciplinary http://dx.doi.org/10.1073/pnas.0600945103 <jats:p>Although the strength of carbon nanotubes has been of great interest, their ideal value has remained elusive both experimentally and theoretically. Here, we present a comprehensive analysis of underlying atomic mechanisms and evaluate the yield strain for arbitrary nanotubes at realistic conditions. For this purpose, we combine detailed quantum mechanical computations of failure nucleation and transition-state barriers with the probabilistic approach of the rate theory. The numerical results are then summarized in a concise set of equations for the breaking strain. We reveal a competition between two alternative routes of brittle bond breaking and plastic relaxation, determine the domains of their dominance, and map the nanotube strength as a function of chiral symmetry, tensile test time, and temperature.</jats:p> Symmetry-, time-, and temperature-dependent strength of carbon nanotubes Proceedings of the National Academy of Sciences |
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| title |
Symmetry-, time-, and temperature-dependent strength of carbon nanotubes |
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Symmetry-, time-, and temperature-dependent strength of carbon nanotubes |
| title_full |
Symmetry-, time-, and temperature-dependent strength of carbon nanotubes |
| title_fullStr |
Symmetry-, time-, and temperature-dependent strength of carbon nanotubes |
| title_full_unstemmed |
Symmetry-, time-, and temperature-dependent strength of carbon nanotubes |
| title_short |
Symmetry-, time-, and temperature-dependent strength of carbon nanotubes |
| title_sort |
symmetry-, time-, and temperature-dependent strength of carbon nanotubes |
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Multidisciplinary |
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http://dx.doi.org/10.1073/pnas.0600945103 |
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2006 |
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6105-6109 |
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<jats:p>Although the strength of carbon nanotubes has been of great interest, their ideal value has remained elusive both experimentally and theoretically. Here, we present a comprehensive analysis of underlying atomic mechanisms and evaluate the yield strain for arbitrary nanotubes at realistic conditions. For this purpose, we combine detailed quantum mechanical computations of failure nucleation and transition-state barriers with the probabilistic approach of the rate theory. The numerical results are then summarized in a concise set of equations for the breaking strain. We reveal a competition between two alternative routes of brittle bond breaking and plastic relaxation, determine the domains of their dominance, and map the nanotube strength as a function of chiral symmetry, tensile test time, and temperature.</jats:p> |
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| author | Dumitrica, Traian, Hua, Ming, Yakobson, Boris I. |
| author_facet | Dumitrica, Traian, Hua, Ming, Yakobson, Boris I., Dumitrica, Traian, Hua, Ming, Yakobson, Boris I. |
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| container_issue | 16 |
| container_start_page | 6105 |
| container_title | Proceedings of the National Academy of Sciences |
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| description | <jats:p>Although the strength of carbon nanotubes has been of great interest, their ideal value has remained elusive both experimentally and theoretically. Here, we present a comprehensive analysis of underlying atomic mechanisms and evaluate the yield strain for arbitrary nanotubes at realistic conditions. For this purpose, we combine detailed quantum mechanical computations of failure nucleation and transition-state barriers with the probabilistic approach of the rate theory. The numerical results are then summarized in a concise set of equations for the breaking strain. We reveal a competition between two alternative routes of brittle bond breaking and plastic relaxation, determine the domains of their dominance, and map the nanotube strength as a function of chiral symmetry, tensile test time, and temperature.</jats:p> |
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| imprint | Proceedings of the National Academy of Sciences, 2006 |
| imprint_str_mv | Proceedings of the National Academy of Sciences, 2006 |
| institution | DE-15, DE-Pl11, DE-Rs1, DE-105, DE-14, DE-Ch1, DE-L229, DE-D275, DE-Bn3, DE-Brt1, DE-Zwi2, DE-D161, DE-Gla1, DE-Zi4 |
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| spelling | Dumitrica, Traian Hua, Ming Yakobson, Boris I. 0027-8424 1091-6490 Proceedings of the National Academy of Sciences Multidisciplinary http://dx.doi.org/10.1073/pnas.0600945103 <jats:p>Although the strength of carbon nanotubes has been of great interest, their ideal value has remained elusive both experimentally and theoretically. Here, we present a comprehensive analysis of underlying atomic mechanisms and evaluate the yield strain for arbitrary nanotubes at realistic conditions. For this purpose, we combine detailed quantum mechanical computations of failure nucleation and transition-state barriers with the probabilistic approach of the rate theory. The numerical results are then summarized in a concise set of equations for the breaking strain. We reveal a competition between two alternative routes of brittle bond breaking and plastic relaxation, determine the domains of their dominance, and map the nanotube strength as a function of chiral symmetry, tensile test time, and temperature.</jats:p> Symmetry-, time-, and temperature-dependent strength of carbon nanotubes Proceedings of the National Academy of Sciences |
| spellingShingle | Dumitrica, Traian, Hua, Ming, Yakobson, Boris I., Proceedings of the National Academy of Sciences, Symmetry-, time-, and temperature-dependent strength of carbon nanotubes, Multidisciplinary |
| title | Symmetry-, time-, and temperature-dependent strength of carbon nanotubes |
| title_full | Symmetry-, time-, and temperature-dependent strength of carbon nanotubes |
| title_fullStr | Symmetry-, time-, and temperature-dependent strength of carbon nanotubes |
| title_full_unstemmed | Symmetry-, time-, and temperature-dependent strength of carbon nanotubes |
| title_short | Symmetry-, time-, and temperature-dependent strength of carbon nanotubes |
| title_sort | symmetry-, time-, and temperature-dependent strength of carbon nanotubes |
| title_unstemmed | Symmetry-, time-, and temperature-dependent strength of carbon nanotubes |
| topic | Multidisciplinary |
| url | http://dx.doi.org/10.1073/pnas.0600945103 |