ABSTRACT

The kenaf fibers were used to reinforce composites with two structures: nonwoven and bulk fibers and with treated and untreated kenaf fiber. A series of tensile tests were conducted on these composites. The use of kenaf fibers allows having composite with improved mechanical properties compared to pure polyester composite. This increase reaches 56.15% in strength and 137.85% in strain when varying the fiber weight ratio and the reinforcement structure. The interested results for both tensile strength and strain are obtained for nonwoven structure made by untreated fiber. The statistical study reveals that the most influencing parameter in tensile properties was the reinforcement weight ratio. The optimum composite was obtained when using a nonwoven structure made with untreated fiber with 11.10% fiber weight ratio.

摘要

洋麻纤维用于增强具有两种结构的复合材料：非织造纤维和散装纤维以及处理过和未处理过的洋麻纤维。对这些复合材料进行了一系列拉伸试验。与纯聚酯复合材料相比，红麻纤维的使用允许具有改进的机械性能的复合材料。当改变纤维重量比和增强结构时，这种增加达到 56.15% 的强度和 137.85% 的应变。对于由未经处理的纤维制成的非织造结构，获得了拉伸强度和应变的相关结果。统计研究表明，对拉伸性能影响最大的参数是钢筋重量比。当使用由纤维重量比为 11.10% 的未处理纤维制成的非织造结构时，可获得最佳复合材料。