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Natural protein fiber hybrid composites: Effects of fiber content and fiber orientation on mechanical,thermal conductivity and water absorption properties

机译:天然蛋白纤维混杂复合材料:纤维含量和纤维取向对机械,导热性和吸水性能的影响

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摘要

The intimately mixed natural protein fiber hybrid composites in three different fiber concentrations (70:30, 50:50 and 30:70) and two different fiber orientations (parallel laid and cross laid) are produced using silk and wool fibers with polypropylene fibers as matrix material. The composites are fabricated using compression molding technique with optimized process conditions. The effects of fiber content and fiber orientation on mechanical, thermal conductivity and water absorption property are studied. Scanning electron microscope is used to examine the fracture morphology of the composites. The study reveals that the fiber content strongly influences the mechanical, thermal conductivity and water absorption property of the resultant composite. But the fiber orientation shows significant effect only on water absorption property of the composites. It does not show any significant difference in mechanical and thermal conductivity properties of intimately mixed silk/wool hybrid fiber composites.
机译:使用丝绸和羊毛纤维,以聚丙烯纤维为基质,以三种不同的纤维浓度(70:30、50:50和30:70)和两种不同的纤维取向(平行和交叉)紧密混合天然蛋白纤维混合复合材料材料。使用压缩成型技术在优化的工艺条件下制造复合材料。研究了纤维含量和纤维取向对机械,导热性和吸水性能的影响。扫描电子显微镜用于检查复合材料的断裂形态。研究表明,纤维含量强烈影响所得复合材料的机械,导热性和吸水性能。但是纤维取向仅对复合材料的吸水性能显示显着影响。紧密混合的丝/毛杂化纤维复合材料的机械和导热性能没有明显差异。

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