Experimental investigations and material modelling of curing processes under small deformations
Experimental investigations and material modelling of curing processes under small deformations
复制标题
小变形下固化过程的实验研究和材料建模
DOI:
10.1002/zamm.201000096
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发表时间:
2011
期刊:
影响因子:
--
通讯作者:
A. Lion
中科院分区:
文献类型:
--
作者:
B. Yagimli;A. Lion
There are many applications of curing epoxy resins. The paste‐like material can be applied to joint two structural parts of different materials. The curing reaction in the epoxy resin increases the stiffness of the material to fix the connected partners. Furthermore, the curing epoxy resin shrinks and the reaction generates exothermal energy. In order to characterise the exothermal reaction, experimental results of dynamic scanning calorimetry are presented. The change in the viscoelastic behaviour is measured with the rheometer AR‐G2 of TA‐Instruments. In addition, investigations of the shrinkage behaviour are presented. Based on the observed changes during the curing reaction a thermodynamic consistent material model for small deformations is introduced and the parameters of the material model are identified to reproduce the experimental data.