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A modified method for elastic properties of nanowires based on surface effect

机译：基于表面效应的纳米线弹性性能改性方法

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摘要

In this paper, a modified method for predicting surface effect parameters based on experimental data is developed using the surface effect theory. Polyacrylonitrile (PAN) nanowires with diameters in a range of 100 nm - 320 nm are manufactured by electrospinning. The data of the effective elastic moduli of PAN nanowire varying with diameters are obtained by experimenting with contact atomic-force microscopy (C-AFM). It was found that the effective Young's modulus of nanowires increased with the diameter of the nanowires decreases. The validity of the method in this paper are confirmed by comparing with the existing work. By taking into account the effect of surface energy on the bending, the deviation of the prediction of surface effect parameters in the existing work is solved. The current results will also be useful for predicting nanowire surface effect parameters and be helpful for the design of nanostructures and nanodevices related to nanowires.
机译：本文使用表面效应理论开发了一种基于实验数据预测表面效应参数的修改方法。 通过静电纺丝制造具有100nm-320nm的直径的聚丙烯腈（PAN）纳米线。 通过试验触点原子力显微镜（C-AFM）来获得平移纳米线的有效弹性模型的数据。 发现纳米线的有效杨氏模量随纳米线的直径而增加。 通过与现有工作与现有工作相比，确认本文中的方法的有效性。 通过考虑到表面能对弯曲的影响，解决了现有工作中表面效应参数预测的偏差。 目前的结果也可用于预测纳米线表面效应参数，并且有助于设计与纳米线有关的纳米结构和纳米型。

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  • 来源
    《Nanotechnology》 |2020年第35期|共8页
  • 作者

    Li Jian; Cai Zhengyu; Wang Tingjun; Wang Chaoming; Liu Xing; Li Yinghui;

  • 作者单位

    Southwest Jiaotong Univ Sch Mech &

    Engn Chengdu 610031 Peoples R China;

    Southwest Jiaotong Univ Sch Mech &

    Engn Chengdu 610031 Peoples R China;

    Southwest Jiaotong Univ Sch Mech &

    Engn Chengdu 610031 Peoples R China;

    Southwest Jiaotong Univ Sch Mech &

    Engn Chengdu 610031 Peoples R China;

    Southwest Jiaotong Univ Sch Mech &

    Engn Chengdu 610031 Peoples R China;

    Southwest Jiaotong Univ Sch Mech &

    Engn Chengdu 610031 Peoples R China;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 特种结构材料;
  • 关键词

    surface effect; nanowire; PAN; AFM; Young's modulus;

    机译：表面效果;纳米线;锅;AFM;杨氏模量;

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