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首页> 外文期刊>Polymer Composites >Experimental Characterization and Morphology Investigation of Composites Based on High-Density and Low-Density Polyethylene Reinforced With Non-Crimp-Stitched Glass Fabrics
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Experimental Characterization and Morphology Investigation of Composites Based on High-Density and Low-Density Polyethylene Reinforced With Non-Crimp-Stitched Glass Fabrics

机译：高密度低密度聚乙烯非卷边玻璃纤维增​​强复合材料的实验表征和形貌研究

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摘要

In this study, the effects of matrix material on mechanical properties were investigated in glass fiber reinforced high-density and low-density polyethylene composites. Also, in order to compare the fiber configuration effect on anisotropic behavior, unidirectional and biaxial glass fabrics were used as reinforcement material. Composite laminates were manufactured via the compression molding technique. Tensile and three-point bending flexural tests were conducted up to failure on specimens cut out in different directions. Extensive fracture photomicrographs were presented for observing the failure modes (e.g. delamination) of the composites resulting from a variety of loading conditions. In addition, Scanning electron micrographs of postfractured surfaces of composites were interpreted in an attempt to explain the failure mechanisms (adhesive or cohesive failure) of the composites.
机译：在这项研究中，研究了玻璃纤维增​​强高密度和低密度聚乙烯复合材料中基体材料对机械性能的影响。另外，为了比较纤维构型对各向异性行为的影响，将单向和双轴玻璃织物用作增强材料。复合层压板是通过压缩成型技术制造的。对在不同方向切出的样品进行拉伸和三点弯曲挠曲测试直至破坏。呈现了广泛的断裂显微照片，以观察由各种加载条件导致的复合材料的破坏模式（例如分层）。此外，解释了复合材料后断裂表面的扫描电子显微照片，以试图解释复合材料的破坏机理（粘合或内聚破坏）。

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