Tensile loading of ropes of single wall carbon nanotubes and their mechanical properties
Tensile loading of ropes of single wall carbon nanotubes and their mechanical properties
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DOI：
10.1103/physrevlett.84.5552
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发表时间：
2000-06-12
影响因子：
8.6
通讯作者：
Ruoff, RS
中科院分区：
文献类型：
--
作者：
Yu, MF;Files, BS;Ruoff, RS
测试了15根单壁碳纳米管绳在拉伸载荷下的力学响应。对于这些绳索中的8根，获得了应变数据，它们在应变值为5.3%或更低时断裂。力-应变数据通过假设负载由每个绳的周边上的SWCNT承载的模型很好地拟合。该模型提供了每个绳的周长上的SWCNT的平均断裂强度; 15个值的范围从13到52 GPa（平均30 GPa）。基于相同的模型，确定的8个平均杨氏模量值的范围为320至1470 GPa（平均1002 GPa）。
The mechanical response of 15 single wall carbon nanotube (SWCNT) ropes under tensile load was measured. For 8 of these ropes strain data were obtained and they broke at strain values of 5.3% or lower. The force-strain data are well fit by a model that assumes the load is carried by the SWCNTs on the perimeter of each rope. This model provides an average breaking strength of SWCNTs on the perimeter of each rope; the 15 values range from 13 to 52 GPa (mean 30 GPa). Based on the same model the 8 average Young's modulus values determined range from 320 to 1470 GPa (mean 1002 GPa).