A continuum-based model capturing size effects in polymer bonds

A continuum-based model capturing size effects in polymer bonds
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基于连续体的模型捕捉聚合物键中的尺寸效应

DOI:
10.1088/1742-6596/62/1/003
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发表时间:
2007
期刊:
Journal of Physics: Conference Series
影响因子:
--
通讯作者:
J. Batal
J. Batal
中科院分区:
--
文献类型:
--
作者:
S. Diebels;M. Johlitz;H. Steeb;W. Possart;J. Batal

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从应用中我们知道,聚合物键的机械行为不仅取决于聚合物本身的性质,而且取决于基材。因此,力学行为,即刚度,聚合物接头变得依赖于厚度。在目前的工作中,我们描述了在聚合物接头上进行的实验,并开发了一个基于连续体的模型,该模型能够描述实验观察到的尺寸效应,而不需要详细说明微观结构。连续介质力学模型通过一个标量值结构参数得到增强,该参数描述了发生在基材附近的边界层中的所有效应。结果表明,模型参数可以通过对不同厚度的聚合物层进行简单剪切实验来确定。
It is known from applications that the mechanical behaviour of polymer bonds does not only depend on the properties of the polymer itself but also on the substrate. Therefore, the mechanical behaviour, ie the stiffness, of a polymer joint becomes thickness dependent. In the present work we describe experiments performed on polymer joints and we develop a continuum-based model which is able to describe the experimentally observed size effects without suggesting the microstructure in detail. The continuum mechanical model is enhanced by a scalar-valued structure parameter which describes all the effects taking place in the boundary layer which arises near the substrate. It is shown that the model parameters can be determined on the basis of simple shear experiments performed on polymer layers of different thickness.
应用基于标量值序参数的扩展连续理论对薄膜进行建模:第一部分:等温情况
DOI: --
发表时间: 2004
期刊:
影响因子: --
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通讯作者: S. Diebels
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发表时间: 2005
期刊:
影响因子: --
作者:
S. Diebels;H. Steeb;W. Possart
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附着力:当前的研究和应用
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发表时间: 2005
影响因子: 11.1
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