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Effect of hybridization on the impact properties of flax/basalt epoxy composites: Influence of the stacking sequence

机译：杂化对亚麻/玄武岩环氧复合材料冲击性能的影响：堆积顺序的影响

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摘要

The effect of stacking sequence on the impact damage mechanisms and the matrix-fiber dependent properties, such as flexural and interlaminar strength, of epoxy hybrid basalt/flax composites has been experimentally investigated. The basal and flax fabrics have been appropriately selected with approximately the same areal weight and stacked in the same number in three different symmetrical analysed configurations to manufacture composites with comparable conditions regarding fibre content by weight. No influence of fibre sequence was observed for the flexural modulus, whereas some differences were exhibited by the flexural and the interlaminar shear strength depending on the resin content. The impact tests were carried out at penetration and different energy levels. After impact, indentation measurements have been performed by a confocal microscope to get information on the damage propagation and characteristics that resulted affected by the hybridisation type and by the impact energy. The results evidenced the relevance of the stacking sequence in the composite design to meet specific requirements.
机译：实验研究了堆垛顺序对冲击杂化玄武岩/亚麻复合材料的冲击破坏机理和基体纤维相关性能（如弯曲强度和层间强度）的影响。底布和亚麻织物经过适当选择，具有大约相同的单位面积重量，并且以三种不同的对称分析配置以相同的数量堆叠，以制造在纤维含量方面具有可比性的复合材料。没有观察到纤维序列对挠曲模量的影响，而挠曲和层间剪切强度根据树脂含量显示出一些差异。冲击试验是在穿透力和不同能级下进行的。撞击后，已通过共聚焦显微镜进行了压痕测量，以获取有关受杂化类型和撞击能量影响的损伤传播和特性的信息。结果证明了堆叠顺序在满足特定要求的复合设计中的相关性。

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  • 来源
    《Composite Structures》 |2019年第4期|476-485|共10页
  • 作者

    Ricciardi M. R.; Papa I; Lopresto V; Langella A.; Antonucci V;

  • 作者单位

    CNR, Inst Polymer Composites & Biomat, Piazzale Enrico Fermi 1, I-80055 Portici, Italy;

    Univ Naples Federico II, Dept Chem Mat & Prod Engn, Piazzale Tecchio 80, I-80125 Naples, Italy;

    Univ Naples Federico II, Dept Chem Mat & Prod Engn, Piazzale Tecchio 80, I-80125 Naples, Italy;

    Univ Naples Federico II, Dept Chem Mat & Prod Engn, Piazzale Tecchio 80, I-80125 Naples, Italy;

    CNR, Inst Polymer Composites & Biomat, Piazzale Enrico Fermi 1, I-80055 Portici, Italy;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Hybrid laminates; Low-velocity impact; Basalt;

    机译：混合层压板;低速冲击;玄武岩;

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