绿色环氧复合材料的机械行为,用来自塞拉达埃斯特雷拉的羊毛和狗毛加强
Cláudia Antunes1, Ana Paula Costa1, André Costa Vieira2
1Fiber Materials and Environmental Technologies Research Unit (FibEnTech-UBI), University of Beira Interior, Rua Marquês D'Ávila e Bolama, 6201-001 Covilhã, Portugal.
Polymers
|November 27, 2024
概括
这项研究探讨了生物基复合材料中的天然动物纤维. 与狗毛复合材料相比,羊毛复合材料显示出优越的机械性能,织造结构产生了最好的结果.
科学领域:
- 材料科学 材料科学 材料科学
- 生物复合材料是一种生物复合材料.
- 织工程 织工程 织工程
背景情况:
- 越来越多的环境问题推动了从以石油为基础的工业转向天然源材料的转变.
- 复合材料行业越来越多地采用天然纤维作为合成纤维的可持续替代品.
- 对动物纤维的研究,特别是狗毛,用于复合材料的强化是有限的.
研究的目的:
- 研究天然动物纤维 (羊毛,狗毛) 和织制造技术 (针织,针织,编织) 对生物基环氧复合材料的机械性能的影响.
- 为了描述用于加强的纤维和线.
- 为了比较羊毛和狗毛增强复合材料的性能.
主要方法:
- 用羊毛和狗毛纤维增强的生物基环氧矩阵复合材料的生产.
- 使用,针织和编织创建的织增强结构.
- 使用X射线衍射 (X-RD) 进行纤维特征.
- 线拉力测试.
- 复合材料的曲和拉力测试.
主要成果:
- 与狗毛复合材料相比,羊毛增强复合材料的屈曲强度 (36.97%的增加),拉力强度 (45.16%的增加) 和模量 (72.99%的增加) 显著提高.
- 编织和织面料的增强件导致了最高的抗拉强度,屈曲强度和Young的模量.
- 织物复合材料在故障和性时表现出最高的变形值.
- 强化参数,如线数和针径,影响了复合材料的机械性能.
结论:
- 自然动物纤维,特别是羊毛,可以有效地加强生物基环氧复合材料,提供增强的机械性能.
- 织品制造技术,特别是织造和织,在优化复合材料性能方面发挥着至关重要的作用.
- 这项研究强调了像狗毛这样的未充分利用的动物纤维在可持续复合材料开发中的潜力.
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