石墨烯纳米片增强玻璃/环氧复合材料的力学性能

IF 1.4 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY
Neeraj Wayzode, V. Suryawanshi
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引用次数: 0

摘要

纳米填充剂作为二次增强剂在提高聚合物复合材料力学性能方面显示出良好的效果。然而,由于树脂的平面内路径,纳米填料在加工过程中通过织物的过滤是液体注入工艺(如树脂传递成型)的主要挑战。在树脂膜注入过程中,树脂沿厚度方向移动,由于树脂路径较短,过滤的可能性很小。本研究采用树脂膜灌注(RFI)工艺制备石墨烯薄片增强玻璃/环氧复合材料。首先,采用溶剂铸造工艺制备了含有0.4%和0.8%石墨烯纳米片(GNPs)的树脂薄膜。然后,将这些薄膜采用树脂膜灌注工艺制备复合材料。力学特性测试,即拉伸,弯曲和短梁,进行了。0.4%和0.8% GNPs增强复合材料的抗拉强度分别比基线复合材料提高36.13%和22.23%。与基线复合材料相比,0.4%和0.8% GNPs改性复合材料的抗弯强度分别提高了24.96%和32%。最后,由于GNPs加固,短梁抗剪强度变化最小。与基线复合材料相比,0.4%和0.8% GNPs改性复合材料的空隙体积分数分别提高了1.7%和4.5%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Mechanical properties of graphene nanoplatelets reinforced glass/epoxy composites manufactured using resin film infusion process
Nanofillers as secondary reinforcement in polymeric composites have shown promising results on improvement of mechanical properties of the polymeric composites. However, due to the in-plane resin path, filtration of the nanofillers through fabric during processing is a major challenge in liquid infusion processes such as resin transfer molding. In resin film infusion process, the resin travels in thickness direction and due the shorter resin path, the possibility of filtration is minimal. In this study, resin film infusion (RFI) process is used to fabricate graphene platelets reinforced glass/epoxy hybrid composites. First, the resin films with 0.4 and 0.8 percent of graphene nanoplatelets (GNPs) were manufactured using solvent casting process. Then, these films were used to fabricate composites using resin film infusion process. Mechanical characterization tests, namely tensile, flexural and short beam, were performed. Tensile strength of the 0.4% and 0.8% GNPs reinforced composites was 36.13% and 22.23% higher, respectively, than that of baseline composites. Flexural strength 0.4% and 0.8% GNPs modified composites was 24.96% higher and 32% lower, respectively, compared to baseline composite. Lastly, minimal change was observed in short beam shear strength due to GNPs reinforcement. Higher void volume fraction of 1.7% and 4.5% as compared to baseline composites observed in 0.4% and 0.8% GNPs modified composites respectively.
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来源期刊
AIMS Materials Science
AIMS Materials Science MATERIALS SCIENCE, MULTIDISCIPLINARY-
CiteScore
3.60
自引率
0.00%
发文量
33
审稿时长
4 weeks
期刊介绍: AIMS Materials Science welcomes, but not limited to, the papers from the following topics: · Biological materials · Ceramics · Composite materials · Magnetic materials · Medical implant materials · New properties of materials · Nanoscience and nanotechnology · Polymers · Thin films.
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