工艺与制造英文2024被引 68
天然纤维增强环氧复合材料的力学、耐磨和热性能研究:棉纤维、剑麻、椰纤和羊毛纤维
Mechanical, wear and thermal properties of natural fiber-reinforced epoxy composite: cotton, sisal, coir and wool fibers
Yahya Taşgın, Gökhan Demircan, Ş Kandemir, Abuzer Açıkgöz · Munzur University
摘要整理
天然纤维增强环氧复合材料(NFRCs)因其环保和可持续性特征近年来获得广泛关注。该复合材料将植物来源的天然纤维与环氧树脂结合,以获得性能增强的材料。本研究旨在系统调查含棉纤维、剑麻、椰纤和羊毛纤维的天然纤维增强环氧复合材料的力学性能、耐磨性和热性能。采用真空辅助树脂传递模塑(VARTM)工艺制备复合材料板材,随后进行拉伸、耐磨和热性能测试。棉纤维复合材料拉伸强度最高,达52.81 MPa,而椰纤复合材料最低,为15.34 MPa。剑麻复合材料表现出中等耐磨率(1.423 mm³/Nm)和较低的摩擦系数(0.233),表明相对运动更平稳。椰纤复合材料耐磨率最高(4.615 mm³/Nm),归因于其粗糙的纤维特性。热导率方面,棉纤维复合材料最高(1.017 W/mK),椰纤复合材料最低(0.187 W/mK)。此外,椰纤复合材料的比热容最高(26.313 MJ/m³K)。棉纤维在高效传热方面表现出潜力,羊毛在隔热性能上表现优异,剑麻在结构应用中展现多功能性,椰纤作为有效隔热材料在节能应用中前景广阔。
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