Effect of stacking sequence on mechanical and moisture absorption properties of abaca-kenaf-carbon fiber reinforced hybrid composites

ABSTRACT

Hybrid composite materials containing natural fibers are replacing conventional materials for automobile, aerospace and sports goods structural applications. Fiber extracted from plants and man-made fibers reinforced with polymer matrix find many applications because of improved characteristics, such as light weight and high strength. In this work, fabricated hybrid composites using chemically treated abaca, kenaf and carbon fiber reinforced with epoxy and teta hardener are studied. Hybrid composites have four stacking sequences and five layer composites made up of hand laid up then compression molding. Produced hybrid composites are subjected to various loads to determine the mechanical strength. Moisture absorption measured in the distilled water was used as the medium during water absorption test. Experimental results showed that the treated fiber hybrid composite provided higher mechanical strength and absorbed less moisture. The morphology of fractured surfaces was analyzed by electron microscopy.

摘要

含天然纤维的混杂复合材料正在取代传统的汽车、航空航天和体育用品结构材料. 从植物中提取的纤维和用聚合物基体增强的人造纤维由于具有重量轻、强度高等优点而得到了广泛的应用. 本研究以化学处理过的abaca、红麻和碳纤维为原料，以环氧树脂和teta为固化剂，制备了混杂复合材料. 混杂复合材料有四种堆垛顺序，五层复合材料由手工堆垛然后模压而成. 所制备的混杂复合材料承受不同的载荷以确定其机械强度. 在吸水性试验期间，在用作介质的蒸馏水中测量的吸湿性. 实验结果表明，处理后的纤维混杂复合材料具有较高的机械强度和较低的吸湿性. 用电子显微镜观察断口形貌.

关键词:

• 阿巴卡
• 红麻
• 碳
• 机械性能
• 混杂复合材料
• 吸水率

KEYWORDS:

• Abaca
• kenaf
• carbon
• mechanical properties
• hybrid composites
• water absorption