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首页> 外文期刊>Polymers & Polymer Composites >The effects of sample preparation on the interlaminar shear strength test values of unidirectional carbon fiber-reinforced epoxy composites
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The effects of sample preparation on the interlaminar shear strength test values of unidirectional carbon fiber-reinforced epoxy composites

机译：样品制备对单向碳纤维增强环氧复合材料的晶体剪切强度试验值的影响

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摘要

Interlaminar shear strength (ILSS) is an important indicator to measure the interfacial adhesion between the fiber and the matrix. The ILSS values of the unidirectional carbon fiber-reinforced epoxy composites prepared under different process conditions were investigated. Three main factors in the sample preparation, namely pressure in the molding process, fiber content of the composite, and whether to add vacuum treatment in the sample preparation process, were probed in this work. We found that the samples prepared under high pressure presented low ILSS values, but the sample prepared without pressure was not suitable for testing and the optimum pressure was 0.5 MPa. The sample prepared at lower fiber content was also not suitable for testing. However, the ILSS value decreased when the fiber content was further increased and the optimum fiber content was 60 wt%. The ILSS value was significantly increased by adding the process of vacuum treatment in the preparation.
机译：Interlaminar剪切强度（ILSS）是测量纤维和基质之间的界面粘合的重要指标。 研究了在不同工艺条件下制备的单向碳纤维增强环氧树脂复合材料的ILSS值。 样品制备中的三个主要因素，即模塑过程中的压力，复合材料的纤维含量，以及是否在样品制备过程中添加真空处理，在这项工作中探讨。 我们发现在高压下制备的样品呈现低ILSS值，但没有压力制备的样品不适用于测试，最佳压力为0.5MPa。 在较低纤维含量下制备的样品也不适合于测试。 然而，当纤维含量进一步增加并且最佳纤维含量为60wt％时，ILSS值降低。 通过在制剂中添加真空处理方法，显着增加了ILS值。

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