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Flax fiber reinforced polylactic acid composites for non-structural engineering applications: Effect of molding temperature and fiber volume fraction on its mechanical properties
Polymers and Polymer Composites ( IF 2.1 ) Pub Date : 2021-06-17 , DOI: 10.1177/09673911211025159
Jai Inder Preet Singh 1, 2 , Sehijpal Singh 3 , Vikas Dhawan 4 , Piyush Gulati 2
Affiliation  

Owing to its biodegradability, durability, low cost and potential material to replace existing commercial products in the field of engineering applications, nowadays there is a lot of interest in the field of green composites. It is formed by a mixture of biodegradable polymers and natural fibers and has a potential to replace synthetic polymer based composites. In this research work flax fibers are used as reinforcement and Poly-lactic acid (PLA) as matrix material for the development of Flax/PLA composites. The effects of processing parameters such as fiber volume fraction ranging from 25% to 50% and molding temperature ranging from 160°C to 180°C on mechanical properties of flax/PLA composites were investigated. It is concluded from the results that maximum tensile and flexural strength are recorded at 35% fiber volume fraction of flax/PLA composites developed at 170°C molding temperature. SEM analysis validated the findings obtained from the mechanical characterization.



中文翻译:

用于非结构工程应用的亚麻纤维增强聚乳酸复合材料:成型温度和纤维体积分数对其机械性能的影响

由于其可生物降解性、耐用性、低成本以及在工程应用领域替代现有商业产品的潜在材料,如今人们对绿色复合材料领域产生了浓厚的兴趣。它由可生物降解的聚合物和天然纤维的混合物形成,有可能取代基于合成聚合物的复合材料。在这项研究工作中,亚麻纤维用作增强材料,聚乳酸 (PLA) 用作开发亚麻/PLA 复合材料的基质材料。研究了加工参数如纤维体积分数范围为 25% 至 50% 和成型温度范围为 160°C 至 180°C 对亚麻/PLA 复合材料机械性能的影响。结果表明,在 170°C 成型温度下开发的亚麻/PLA 复合材料的纤维体积分数为 35% 时,记录了最大拉伸和弯曲强度。SEM 分析验证了从机械表征中获得的结果。

更新日期:2021-06-17
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