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涤纶增强橡胶基复合材料各向异性超弹性本构研究

MAO Jinwei,WANG Xinfeng,SONG Haopeng, YU Jian

wf(2023)

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Abstract
基于一种适用于平纹涤纶增强橡胶复合材料的各向异性超弹性本构模型,将应变能分解为橡胶基体应变能、织物纤维拉伸应变能与织物增强橡胶剪切应变能3部分,并根据单轴拉伸试验数据确定了本构模型参数.编写了有限元材料子程序进行仿真分析,并与试验数据对比验证了本构模型的合理性.该模型从宏观出发,能更好地表征复合材料编织物在拉伸过程中由于大变形所引起的非线性各向异性力学行为,具有结果准确、简单实用等优点,为织物增强橡胶复合材料的设计应用提供了理论依据.
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Key words
composite material,rubber,fabric reinforced composites,anisotropy constitutive model,hyperelasticity,finite element method(FEM)
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