THE INVESTIGATION OF POLYLACTIC ACID BASED NATURAL FIBER REINFORCED BIOCOMPOSITES FOR AUTOMOTIVE APPLICATIONS

S. Öztürk
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引用次数: 1

Abstract

An automotive application with renewable sources as environmentally sustainable solution has been studied for weight reduction. Hemp as non-woven natural fiber (NNF) and Polylactic acid (PLA) non-woven fibers has been used to form continuous mat by needle-punch method. This biobased mat structure was then hot formed to achieve good mechanical properties. The composition of the fiber was 50:50 / NNF:PLA and the density of the final sheet was 1300 gr/m 2 , the final thickness of the biocomposite after themoforming was 2.2 mm with 2.1 GPa Flexural Modulus and 17 MPa Tensile Strength and 2.3% elongation at break. In this study, the mechanical performance of this biocomposite structure under water immersion, 40oC and 80oC was studied. The charpy impact strength was found 21kJ/m 2 . The major outcome of this study is replacing conventional reinforcement materials with renewable sources which offers lower weight and tolerable mechanical strengths.
汽车用聚乳酸基天然纤维增强生物复合材料的研究
研究了一种以可再生能源作为环境可持续解决方案的汽车应用,以减轻重量。将大麻作为无纺布天然纤维(NNF)和聚乳酸(PLA)非织造纤维,采用针刺法形成连续毡。然后热成型这种生物基垫结构以获得良好的机械性能。纤维的组成为50:50 / NNF:PLA,终板密度为1300 gr/ m2,热成型后的终板厚度为2.2 mm,弯曲模量为2.1 GPa,拉伸强度为17 MPa,断裂伸长率为2.3%。在本研究中,研究了该生物复合材料结构在水浸、40℃和80℃条件下的力学性能。夏比冲击强度为21kJ/ m2。这项研究的主要成果是用可再生资源取代传统的增强材料,这种材料的重量更轻,机械强度也可以接受。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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