Enhancing the Mechanical Performance of Glass Fiber‐Reinforced Polymer Composites using Multi‐Walled Carbon Nanotubes,Advanced Engineering Materials

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Enhancing the Mechanical Performance of Glass Fiber‐Reinforced Polymer Composites using Multi‐Walled Carbon Nanotubes
Advanced Engineering Materials ( IF 3.4 ) Pub Date : 2020-06-03 , DOI: 10.1002/adem.202000318
Lijun Wang ₁ , Lili Tong ₁ , Shaomin Zhu ₂ , Jiaji Liang ₁ , Haichen Zhang ₁

Affiliation

Herein, the effects of multi‐walled carbon nanotubes (MWCNTs) on the mechanical performance of glass fiber‐reinforced polymer composites (GFRPs) are investigated, and the optimized MWCNT content is obtained through a series of experiments. MWCNTs are deposited on unidirectional glass fiber cloths using a solution dip coating method. The original fiber cloths and fiber cloths deposited with MWCNTs are used to manufacture GFRPs using a vacuum‐assisted resin injection process. The GFRP specimens are then synthesized to characterize the tension, bending, interlaminar shear strength, and mode‐II fracture toughness by uniaxial tension, three‐point bending, short beam shear, and end notch flexural tests. The results confirm that the mechanical performance of the original GFRPs increases with the addition of MWCNTs, and GFRPs with an MWCNT content of 0.3 wt% exhibit better comprehensive mechanical properties. Scanning electron microscopy is used to analyze the damage mechanism of the broken specimens with and without MWCNT modification.

中文翻译：

使用多层碳纳米管增强玻璃纤维增强的聚合物复合材料的机械性能

在此，研究了多壁碳纳米管（MWCNT）对玻璃纤维增强聚合物复合材料（GFRPs）力学性能的影响，并通过一系列实验获得了最佳的MWCNT含量。使用溶液浸涂法将MWCNT沉积在单向玻璃纤维布上。原始的纤维布和沉积有MWCNT的纤维布用于通过真空辅助树脂注射工艺制造GFRP。然后合成GFRP样品，以通过单轴拉伸，三点弯曲，短梁剪切和端切口挠曲测试表征拉伸，弯曲，层间剪切强度和II型断裂韧性。结果证实，原始的GFRP的机械性能随MWCNT的增加而增加，而MWCNT含量为0的GFRP。3重量％表现出更好的综合机械性能。扫描电子显微镜用于分析具有和不具有MWCNT改性的破碎样品的损伤机理。

更新日期：2020-06-03

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