碳纤维模量的结构相关性理论研究及验证
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北京化工大学

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TB33

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Structural Dependence of the Modulus for Carbon Fibers
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    摘要:

    从模量的基本理论出发,推导了碳纤维类石墨微晶模量与其结构参数所存在的函数关系。结果
    表明:碳纤维微晶模量受形状因子和取向角的协同影响:随着形状因子的增大,碳纤维微晶模量先快速上升后
    缓慢下降,而随着取向角的减小,微晶模量增加。利用X 射线衍射的方法,测定了碳纤维的取向角和形状因
    子,进而得到碳纤维的计算模量,与实测的碳纤维模量基本接近,验证了模量理论分析的适用性。

    Abstract:

    On the basis of the theory of modulus, the mathematic function of the modulus with parameters of
    pseudo-graphite crystallite for carbon fiber was derived. The results indicated that the crystalline modulus of carbon
    fiber was affected by the shape factor and the orientation angle. With the increasing of shape factor, the crystalline
    modulus of carbon fiber was rised up firstly and then decreased. While the orientation angle was decreased, the modulus
    was increased. The calculated modulus of carbon fiber from crystalline parameters, which was obtained from X-ray
    diffraction analysis, was closed to the measured value. It means the equation was satisfied the structure dependence of
    the modulus for carbon fiber

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引用本文

苏世州.碳纤维模量的结构相关性理论研究及验证[J].宇航材料工艺,2015,45(3).

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  • 在线发布日期: 2016-11-28
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