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Creep characterization of anisotropic conductive film

机译：各向异性导电膜的蠕变特性

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摘要

The creep characterization of anisotropic conductive film (ACF) was investigated.The nonlinear viscoelastic creep model developed by Schapery was predigested to consider the creep behavior of ACF.Some parameters of the model were combined and the fitting formulas between these parameters and temperature and stress level were derived based on creep data at different temperatures and stress levels.The nonlinear viscoelastic creep model of ACF was obtained and agreed well with experiment data.It is found that the ACF shows the linear viscoelastic characterization at instantaneous loading and unloading when the temperature is below 0℃.The ACF shows nonlinear viscoelastic behavior when the temperature is above 0℃.Hence 0℃ is critical temperature above which the linear viscoelastic characterization of ACF converts into nonlinear viscoelastic characterization for creep deformation.
机译：研究了各向异性导电膜（ACF）的蠕变特性，并考虑了ACF的蠕变行为，对Schapery开发的非线性粘弹性蠕变模型进行了简化，并结合了模型的一些参数，并拟合了这些参数与温度和应力水平之间的拟合公式根据不同温度和应力水平下的蠕变数据推导得到了ACF的非线性粘弹性蠕变模型，并与实验数据吻合较好。发现ACF在温度低于或等于瞬时值时，表现出线性的粘弹性特征。温度为0℃时，ACF表现出非线性的粘弹性行为。因此，0℃是临界温度，高于该临界温度时，ACF的线性粘弹性特征转化为蠕变变形的非线性粘弹性特征。

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  • 来源
    《国际断裂力学2009年会》|2009年|207-212|共6页
  • 会议地点 Chengdu(CN);Chengdu(CN)
  • 作者

    Lilan Gao; Xu Chen; Shubao Zhang; Hong Gao;

  • 作者单位

    School of Chemical Engineering and Technology,Tianjin University,Tianjin 300072,China School of Mechanical Engineering,Tianjin University of Technology,Tianjin 300191,China;

    School of Chemical Engineering and Technology,Tianjin University,Tianjin 300072,China;

    School of Chemical Engineering and Technology,Tianjin University,Tianjin 300072,China;

    School of Chemical Engineering and Technology,Tianjin University,Tianjin 300072,China;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Anisotropic conductive film (ACF); Nonlinear viscoelastic; Creep characterization; Constitutive model;

    机译：各向异性导电膜（ACF）;非线性粘弹性;蠕变表征;本构模型;

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