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首页> 外文期刊>Journal of Applied Polymer Science >Stress relaxation behavior of starch powder-epoxy resin composites
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Stress relaxation behavior of starch powder-epoxy resin composites

机译：淀粉粉末-环氧树脂复合材料的应力松弛行为

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The purpose of the present study is to investigate the quasi-static and the viscoelastic behavior of epoxy resin reinforced with starch powder. An increase in the elastic modulus on the order of 42% was achieved; a behavior that was predicted by the modulus prediction model (MPM). Next, the composite was subjected to flexural relaxation experiments, in order to determine the relaxation modulus, at different filler-weight fractions and flexural deflections imposed. The viscoelastic models of the standard linear solid, the power law model and the residual property model (RPM) were applied in order to simulate/predict the stress relaxation curves. Predicted values derived from the application of the above models were compared to each-other as well as to respective experimental findings. From the above comparison it was proved the superiority of the RPM model in predicting both the linear and the nonlinear viscoelastic response of the materials investigated. (c) 2014 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 41697.
机译：本研究的目的是研究淀粉粉增强环氧树脂的准静态和粘弹性行为。弹性模量增加了约42％;由模量预测模型（MPM）预测的行为。接下来，对复合材料进行挠曲松弛实验，以确定其在不同的填料重量分数和施加的挠曲挠度下的松弛模量。应用标准线性固体的粘弹性模型，幂律模型和残余特性模型（RPM）来模拟/预测应力松弛曲线。将应用上述模型得出的预测值相互比较，并与各自的实验结果进行比较。通过以上比较，证明了RPM模型在预测所研究材料的线性和非线性粘弹性响应方面的优越性。 （c）2014 Wiley Periodicals，Inc. J. Appl。 Polym。科学2015，132，41697。

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