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首页> 外文会议>International Conference on MEMS, NANO and Smart Systems >Modeling of the Strain Rate Dependent Material Behavior of 3D-Textile Composites with Production and operational defects
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Modeling of the Strain Rate Dependent Material Behavior of 3D-Textile Composites with Production and operational defects

机译：3D纺织复合材料与生产和运营缺陷的应变速率依赖性材料行为的建模

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摘要

This paper concerned with modeling of the strain rate dependent material behavior of 3D-textile composites with simultaneous consideration of production and operational (e.g. pores or fatigue damage) defects. Therefore an additive model in the sense of continuum damage mechanics was introduced. For the model validation extensive experimental tests on glass non-crimp fabrics reinforced epoxy (GF-NCF/EP) composites are performed. The focus is put on the influence of production and fatigue related pre-damage under subsequent highly-dynamic tensile loading. The theoretical studies shows a good coincidence with the experimentally results.
机译：本文涉及3D纺织复合材料的应变率依赖性材料行为的建模，同时考虑生产和运营（例如毛孔或疲劳损伤）缺陷。因此，介绍了连续损伤力学感的添加剂模型。对于模型验证，进行了对玻璃非压接织物增强环氧树脂（GF-NCF / EP）复合材料的广泛实验试验。在随后的高度动态拉伸负荷下，对生产和疲劳相关预损伤的影响进行了重点。理论研究表明，实验结果良好巧合。

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