Multiscale-failure criteria of carbon nanotube systems under biaxial tension-torsion

Byeong-Woo Jeong; Jang-Keun Lim; Susan B Sinnott

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Multiscale-failure criteria of carbon nanotube systems under biaxial tension-torsion

机译：双向拉伸作用下碳纳米管系统的多尺度破坏判据

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The failure criteria for carbon nanotube system fracture under biaxial tensile-torsional loads are developed based on a multiscale approach that adopts continuum mechanics models to describe atomistic predictions of failure from molecular dynamics simulations. The failure strength or envelope of carbon nanotube systems under this type of loading is significantly different from what occurs under uniaxial tensile loading and, importantly, is different from the predictions of failure criteria for macroscopic objects. The failure criteria developed here can be used to design carbon nanotube-based devices and materials, such as nanoelectromechanical systems and nanocomposites, which undergo biaxial tensile-torsional loading.

机译：基于多尺度方法，开发了碳纳米管系统在双轴拉伸-扭转载荷下断裂的失效准则，该准则采用连续力学模型来描述分子动力学模拟对失效的原子预测。碳纳米管系统在这种载荷下的破坏强度或包络线与单轴拉伸载荷下发生的破坏强度或包络线明显不同，重要的是，与宏观物体的破坏准则的预测不同。此处制定的失效标准可用于设计基于碳纳米管的器件和材料，例如承受双轴拉伸-扭转载荷的纳米机电系统和纳米复合材料。

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《Nanotechnology》 |2007年第48期|共7页
作者
Byeong-Woo Jeong; Jang-Keun Lim; Susan B Sinnott;
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1. Multiscale-failure criteria of carbon nanotube systems under biaxial tension-torsion [J] . Byeong-Woo Jeong, Jang-Keun Lim, Susan B Sinnott Nanotechnology . 2007,第48期

机译：双向拉伸作用下碳纳米管系统的多尺度破坏判据
2. Tensile mechanical behavior of hollow and filled carbon nanotubes under tension or combined tension-torsion [J] . Byeong-Woo Jeong, Jang-Keun Lim, Susan B. Sinnott Applied Physics Letters . 2007,第2期

机译：中空碳纳米管和填充碳纳米管在拉伸或组合拉伸-扭曲下的拉伸力学行为
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Multiscale-failure criteria of carbon nanotube systems under biaxial tension-torsion

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