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Effects of proton and electron irradiation on the structural and tribological properties of MoS_2/polyimide

机译：质子和电子辐照对MoS_2 /聚酰亚胺的结构和摩擦学性能的影响

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摘要

To study the structural and tribological properties of MoS_2/polyimide (M0S_2/PI) composite under the irradiation environment of proton and electron, the M0S_2/PI composites were investigated in a groundbased simulation facility, in which the energy of proton and electron was 25 keV and the flux was 2.5×10~(14) cm~(-2)2 s~(-1). The experimental results revealed that the simplex and combined irradiation of proton and electron induced bond break and cross-link, proton irradiation can break the PI bond easier than electron irradiation and then formed the graphite-like structure at surface area of the samples. Irradiation decreased the friction coefficient and wear rate remarkably of the composites comparing with the pristine one. The wear rate increased with the increasing of the proton and combined radiation time, and decreased with the electron radiation conditions.
机译：为了研究质子和电子辐照环境下MoS_2 /聚酰亚胺（M0S_2 / PI）复合材料的结构和摩擦学性能，在质子和电子能量为25 keV的地面模拟设备中研究了M0S_2 / PI复合材料。通量为2.5×10〜（14）cm〜（-2）2 s〜（-1）。实验结果表明，质子和电子诱导键的断裂和交联的单面和组合辐照，质子辐照比电子辐照更容易破坏PI键，从而在样品的表面形成石墨样结构。与原始材料相比，辐照显着降低了复合材料的摩擦系数和磨损率。磨损率随质子和复合辐射时间的增加而增加，随电子辐射条件而减小。

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  • 来源
    《Applied Surface Science》 |2011年第3期|p.1097-1102|共6页
  • 作者

    Baixing Liu; Xianqiang Pei; Qihua Wang; Xiaojun Sun; Tingmei Wang;

  • 作者单位

    State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China,Graduate School, Chinese Academy of Sciences, Beijing 100039, China;

    State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China;

    State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China;

    State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China;

    State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China;

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  • 正文语种 eng
  • 中图分类
  • 关键词

    polyimide; proton irradiation; electron irradiation; tribological property;

    机译：聚酰亚胺质子辐照电子辐照摩擦学性质;

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