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首页> 外文期刊>Composite Structures >Effect of basalt fibre hybridisation and sizing removal on mechanical and thermal properties of hemp fibre reinforced HDPE composites
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Effect of basalt fibre hybridisation and sizing removal on mechanical and thermal properties of hemp fibre reinforced HDPE composites

机译：玄武岩纤维混合和上浆去除对大麻纤维增强HDPE复合材料的机械和热性能的影响

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摘要

Despite the advantages offered by natural fibre-based thermoplastic composites in terms of environmental impact and cost, their mechanical performance is generally lower than that of synthetic counterparts. Hybridisation with mineral fibres (basalt) can broaden the industrial applications of natural fibre reinforced composites. The present study focused on the performance of injection-moulded short basalt fibre, hemp fibre and hemp/basalt fibre hybrid high density polyethylene (HDPE) composites. Effects of a maleated coupling agent on the thermal and mechanical properties of the resulting composites were evaluated as a function of the fibre mass fraction. Hybridisation of hemp fibres with basalt fibres was found to significantly increase the mechanical properties and the crystallinity of hemp-fibre reinforced composites thus suggesting that short hemp/basalt fibre hybrid HDPE composites are promising candidates for semi-structural applications. Additionally, a sizing removal procedure mimicking the conditions experienced in an end-of-life composite thermal recycling process was defined and discussed in terms of residual mechanical properties of basalt/HDPE composites.
机译：尽管天然纤维基热塑性复合材料在环境影响和成本方面具有优势，但其机械性能通常低于合成材料。与矿物纤维（玄武岩）的杂交可以拓宽天然纤维增强复合材料的工业应用。本研究集中于注塑短玄武岩纤维，麻纤维和麻/玄武岩纤维混合高密度聚乙烯（HDPE）复合材料的性能。根据纤维质量分数评估马来化偶联剂对所得复合材料的热和机械性能的影响。已发现大麻纤维与玄武岩纤维的杂交可显着提高大麻纤维增强复合材料的机械性能和结晶度，因此表明短麻/玄武岩纤维混合HDPE复合材料是半结构化应用的有希望的候选者。此外，根据玄武岩/ HDPE复合材料的残余机械性能，定义并讨论了模仿寿命终止复合材料热循环过程中遇到的条件的上浆去除程序。

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