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碳纳米管扭转引起的力学耦合效应

, PP. 30-33

Keywords: 经典分子动力学,碳纳米管,扭转力学行为

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Abstract:

利用经典分子动力学方法,计算分析了单壁碳纳米管、双壁碳纳米管的扭转力学行为,结果表明,相同口径的双壁碳管,在长度一致的情况下,其扭转刚度与碳管结构关联很小.以锯齿型管为外壁的双壁管扭转时的轴向力使碳管伸长,而以其他类型管为外壁的双壁碳管扭转时轴向力使碳管收缩.这些结果对相关纳米器件的设计有重要意义.

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