The effect of carbon fibers, glass fibers and nanoclay on wood flour-polypropylene composite properties
The effect of carbon fibers, glass fibers and nanoclay on wood flour-polypropylene composite properties
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DOI：
10.1007/s00107-013-0754-8
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发表时间：
2014-01-01
影响因子：
2.6
通讯作者：
Karki, Timo
中科院分区：
文献类型：
--
作者：
Turku, Irina;Karki, Timo
研究了不同类型的增强填料对木塑复合材料力学性能和润湿性的影响。采用微粒径玻璃纤维（GF）、碳纤维（CF）和纳米蒙脱土（MMT）增强聚丙烯/木粉复合材料。当GF加载时，拉伸强度和模量明显提高，分别高达20%和29%；冲击强度降低7%；复合材料的硬度提高了7%。CF加载后抗拉强度无明显变化；拉伸模量提高18%；复合材料的冲击强度降低了19%，硬度提高了7%。MMT的拉伸模量提高了34%；另一种复合材料的力学性能、抗拉强度和冲击强度以及硬度分别下降了12%、32%和15%。三种填料的吸水率均有所下降。利用扫描电子显微镜（SEM）观察复合材料的形貌。
This study investigates the influence of different types of reinforcing fillers on the mechanical properties and wettability of wood-plastic composite material. Micro-sized glass fibers (GF) and carbon fibers (CF) and nano-sized montmorillonite (MMT) were used to reinforce a polypropylene/wood flour composite. Clear improvement of the tensile strength and modulus, up to 20 and 29 %, respectively, was observed when GF was loaded; the impact strength was reduced by 7 %; the hardness of the composite was improved by up to 7 %. No significant change in the tensile strength was observed after the CF loading; the tensile modulus was improved by 18 %; the impact strength of the composite was reduced and hardness was improved by 19 and 7 %, respectively. The MMT enhanced the tensile modulus by 34 %; the other studied mechanical properties, tensile and impact strengths, as well as the hardness of the composite decreased by 12, 32 and 15 %, respectively. The water absorption level decreased with all three filler type loadings. The morphology of the composites was examined using a scanning electron microscope (SEM).