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Thermal and Mechanical Characterization of Banana Fiber Reinforced Composites for Its Application in Injection Molding

机译:香蕉纤维增强复合材料的热电型和力学表征在注塑成型中的应用

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摘要

Several natural materials and vegetable waste have relevant mechanical properties, mainly in its fiber format. Particularly, banana fiber (BF) provides a close behavior to the widely spread glass fibers, which places it in an advantageous position for use as a reinforcing material in plastic composites. This work characterizes the behavior of acrylonitrile butadiene styrene (ABS), high impact polystyrene (HIPS), and high density polyethylene (HDPE) reinforced with short fibers of bananas from the Canary Islands for its application in molding processes. Several thermal analyses (Thermal Gravimetric Analysis (TGA), Differential Scanning Calorimetry (DSC), and Melt Flow Index (MFI)) and mechanical tests (tensile, flexural, impact, and Dynamic Mechanical Analysis (DMA)) were carried out in composites with different percentages of banana fiber. The thermal results show that the use of banana fiber is viable as a reinforcement in composites for injection molding processes and the mechanical tests indicate an increase in stiffness and an improvement in maximum flexural stress by increasing the fiber content in composites, so the banana fiber turns out to be a natural alternative for the reinforcement of injected plastic components.
机译:几种天然材料和蔬菜废物具有相关的机械性能,主要以其纤维形式。特别地,香蕉纤维(BF)为广泛涂抹的玻璃纤维提供了紧密的行为,该玻璃纤维将其放置在有利地位中用作塑料复合材料中的增强材料。这项工作表征了丙烯腈丁二烯苯乙烯(ABS),高冲击聚苯乙烯(HIPS)和高密度聚乙烯(HDPE)的行为,其从加那利岛的香蕉短纤维增强,用于其在模塑过程中的应用。几种热分析(热重分析(TGA),差示扫描量热法(DSC)和熔体流量指数(MFI))和机械测试(拉伸,弯曲,撞击和动态机械分析(DMA))在复合材料中进行不同百分比的香蕉纤维。热结果表明,使用香蕉纤维作为注射成型工艺复合材料的增强,并且机械测试表明通过增加复合材料中的纤维含量来增加刚度和最大弯曲应力的提高,因此香蕉纤维转弯为加强注射塑料部件的自然替代方案。

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