Effect of thermal ageing on the scratch resistance of natural-fibre-reinforced epoxy composites

Ugochukwu Solomon; Ridzuan M. J. M.; Majid M. S. Abdul; Cheng E. M.; Razlan Z. M.; Marsi Noraini

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Effect of thermal ageing on the scratch resistance of natural-fibre-reinforced epoxy composites

机译：热老化对天然纤维增强环氧复合材料耐刮擦性的影响

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In this study, the effects of thermal ageing on the scratch-resistance properties of natural-fibre-reinforced epoxy composites were investigated. Jute, kenaf and hemp-fibre-reinforced epoxy composites were fabricated using the vacuum infusion method. The natural-fibre-reinforced composites were exposed to thermal ageing for 7, 15, and 30 d at 90 degrees C temperature. Scratch tests were carried out using a CSM Revetest Xpress machine. The scratch resistance properties, such as the critical normal load, coefficient of friction, penetration depth, fracture toughness, scratch hardness, and scratch tearing were determined after thermal ageing. The results demonstrate that the scratch resistance of the composites decreased as the thermal ageing time increased. However, the jute-fibre-reinforced epoxy composites had the highest critical normal load, fracture toughness and scratch hardness compared to those of kenaf and hemp-fibre-reinforced epoxy composites after 30 d of thermal ageing.

机译：在该研究中，研究了热老化对天然纤维增强环氧复合材料的耐刮擦性能的影响。使用真空输注法制造黄麻，keNaf和大麻纤维增强的环氧复合材料。将天然纤维增强复合材料暴露于90℃温度的7,15和30d的热老化。使用CSM Revetest Xpress Machine进行划痕测试。在热老化后，确定耐刮擦性，例如临界正常负载，摩擦系数，磨损深度，断裂韧性，划伤硬度和划痕撕裂。结果表明，随着热老化时间增加，复合材料的耐刮擦性降低。然而，与keanaf和Hemp-纤维增强的环氧树脂复合材料相比，舌纤维增强的环氧复合材料具有最高的临界正常负载，断裂韧性和划伤硬度。

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来源
《Composite Structures》 |2021年第4期|113586.1-113586.8|共8页
作者
Ugochukwu Solomon; Ridzuan M. J. M.; Majid M. S. Abdul; Cheng E. M.; Razlan Z. M.; Marsi Noraini;
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作者单位

Univ Malaysia Perlis Fac Mech Engn Technol Perlis Malaysia;

Univ Malaysia Perlis Fac Mech Engn Technol Perlis Malaysia;

Univ Malaysia Perlis Fac Mech Engn Technol Perlis Malaysia;

Univ Malaysia Perlis Fac Elect Engn Technol Perlis Malaysia;

Univ Malaysia Perlis Fac Mech Engn Technol Perlis Malaysia;

Univ Tun Hussein Onn Malaysia Fac Engn Technol Dept Mech Engn Technol Panchor 84600 Johor Malaysia;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
Scratch analysis; Natural fibres; Thermal ageing; Fracture toughness;

机译：划痕分析;天然纤维;热老化;断裂韧性;

Effect of thermal ageing on the scratch resistance of natural-fibre-reinforced epoxy composites

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